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=== Local Distributors ===
=== Local Distributors ===
(See '''LOCAL''' tag for other local businesses in subsequent sections)
* [http://www.radioshack.com/ Radio Shack, 872 Muddy Branch RD Gaithersburg, MD 2087]
** One of the few RadioShacks selling more than phones. Decent, well sorted inventory of copper clad boards (for etching/milling), resistors, capacitors, transistors, and even a few simple ICs (TL082, 555).


* [http://www.arcade-electronics.com/ Arcade Electronics] '''LOCAL DISTRIBUTOR'''
* [http://www.arcade-electronics.com/ Arcade Electronics] '''LOCAL DISTRIBUTOR'''
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* [http://www.baynesvilleelectronics.com/ Baynesville Electronics] '''LOCAL'''
* [http://www.baynesvilleelectronics.com/ Baynesville Electronics] '''LOCAL'''
** "My favorite in MD" (Q via martin 3/11/10) [Must be good if you still like it after the really annoying Flash intro! - alden]
** "My favorite in MD" (Q via martin 3/11/10) [Must be good if you still like it after the really annoying Flash intro! - alden]
* [http://www.microcenter.com/ Microcenter]
** Well stocked computer store. Will match newegg prices (and a few others).


* [http://www.tcponline.com/ The Computer Place] '''LOCAL'''
* [http://www.tcponline.com/ The Computer Place] '''LOCAL'''
** [5] Clone boutique on steroids. Good prices and wide selection of PC components.  Wall of cables. Gaithersburg, MD and Fairfax, VA (martin 12/31/09)
** [5] Clone boutique on steroids. Good prices and wide selection of PC components.  Wall of cables. Gaithersburg, MD and Fairfax, VA (martin 12/31/09)


=== Large Distributors ===
=== Large Suppliers ===
 
*  [http://www.waytekwire.com Waytek]
** Waytek has been supplying high quality electrical wiring supplies since the 1970s.


*  [http://www.mouser.com Mouser Electronics]
*  [http://www.mouser.com Mouser Electronics]
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** [3] Very complete line of electronics parts. I find it harder to navigate than Mouser, and more expensive. I generally don't use them unless I can't find something elsewhere (alden 10/02/09)
** [3] Very complete line of electronics parts. I find it harder to navigate than Mouser, and more expensive. I generally don't use them unless I can't find something elsewhere (alden 10/02/09)


*  [http://avnetexpress.avnet.com Avnet Electronics Marketing]  
*  [http://avnetexpress.avnet.com Avnet Electronics]  
** [4] US electronics parts distributor, like Mouser or DigiKey.  Good searchability.  Avnet Inc. also offers consulting, design, and FAE services (will 10/02/09).
** [4] US electronics parts distributor, like Mouser or DigiKey.  Good searchability.  Avnet Inc. also offers consulting, design, and FAE services (will 10/02/09).
*  [http://www.onlinecomponents.com Online Components]
** [3] Authorized online electronic components distributor.
*  [http://parts.arrow.com Arrow Electronics]
** [4] US electronics parts distributor, like Avnet (alex 08/30/13).
*  [https://www.eaton.com/elx Eaton Electronics]
** [4] Eaton offers a broad range of electronics components that include power magnetics, circuit protection, supercapacitor and terminal block products. These products serve customers in computing, consumer, energy, industrial, medical and transportation markets..


* [http://www.jameco.com/ Jameco]
* [http://www.jameco.com/ Jameco]
** [3] Well known supplier - reasonably complete line (not as complete as Mouser, Digi-key, Avnet), some prices are very good. (alden 10/04/09)
** [3] Well known supplier - reasonably complete line (not as complete as Mouser, Digi-key, Avnet), some prices are very good. (alden 10/04/09)
*  [http://www.rohm.com ROHM]
** [4] Designs and manufactures integrated circuits (ICs), semiconductors, and other electronic components).


* [http://www.alliedelec.com/ Allied Electronics]
* [http://www.alliedelec.com/ Allied Electronics]
** Full line distributor (from Jerami Rinaldi's post 3/11/10)  
** Full line distributor (from Jerami Rinaldi's post 3/11/10)
 
* [http://www.newark.com/ Newark Electronics, aka. Element 14]
** Full line distributor (Philip Stewart via Alden 2/28/12)
** Also supplies screws, 3D printer filament, Raspberry Pi's. Also does PCB fab and assembly at competitive rates. Good choice for projects including a mix of electrical and non-electrical components. [[User:Mirage335|Mirage335]] ([[User talk:Mirage335|talk]]) 20:03, 17 September 2015 (PDT)


=== LEDs, Lighting ===
=== LEDs, Lighting ===
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=== Surplus ===
=== Surplus ===
* [http://www.73.com/ Surplus Traders] Surplus
** [4] Great prices, particularly in the Extreme Specials section. Run by Ted Duskes, who's a square dealer, and willing to negotiate. Bad news: something like a $100 minimum, and the website is horrible. (alden 10/04/09)


* [http://www.mpja.com/ MPJA - Marlin P Jones Associates] Surplus
* [http://www.mpja.com/ MPJA - Marlin P Jones Associates] Surplus
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* [http://www.alltronics.com/ Alltronics]
* [http://www.alltronics.com/ Alltronics]
** Nice broad selection of surplus stepper motors, other CNC and robotics parts, and electronics (alden 01/20/10)
** Nice broad selection of surplus stepper motors, other CNC and robotics parts, and electronics (alden 01/20/10)
* [http://www.halted.com/ Halted Electronic Supply]
** Bay area surplus (from Mark Adams via Alden 02/28/12)


=== Microcontroller, development boards, modules ===
=== Microcontroller, development boards, modules ===
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* [http://www.semiconductorstore.com/ Semiconductor Store]
* [http://www.semiconductorstore.com/ Semiconductor Store]
** Esoteric electronics, like Nordic ANT radios, some robotics parts. Some parts can have high minimums (alden 10/04/09)
** Esoteric electronics, like Nordic ANT radios, some robotics parts. Some parts can have high minimums (alden 10/04/09)
* [http://adafruit.com/ Adafruit Industries]
** Lots of Arduino, microcontroller, electronics and robotics parts (Philip Stewart via Alden 2/28/12)


* [http://www.sparkfun.com/ Sparkfun]
* [http://www.sparkfun.com/ Sparkfun]
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* [http://www.phidgets.com/ Phidgets]
* [http://www.phidgets.com/ Phidgets]
** SOme really cool USB control and sensing components, plus some nice motors, pulleys, belts, and other robot and machine parts. (alden 9/11/11 (safety third))
** Some really cool USB control and sensing components (alden 9/11/11 (safety third))


=== CNC ===
=== Hobby CNC ===
(see also Machine Tools Sales section)


* [http://www.pololu.com/ Polulu]
* [http://www.pololu.com/ Polulu]
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* [http://www.hobbycnc.com/ Hobby CNC]
* [http://www.hobbycnc.com/ Hobby CNC]
** David Powell from Harford Hackerspace is trying to kick-ass on Riley's CNC with stepper motors from this site. Beware (alden 12/08/09)
** David Powell from Harford Hackerspace is trying to kick-ass on Riley's CNC with stepper motors from this site. Beware (alden 12/08/09)
* [https://sdp-si.com/eStore/ Stock Drive Parts]
** Nice pulleys, belts, and other robot and machine parts (alden 9/11/11 (safety third))
* [http://www.robotshop.com/ Robot Shop]
** Excellent supply of various robotics components, especially wide selection of motors. [[User:Mirage335|Mirage335]] ([[User talk:Mirage335|talk]]) 19:37, 15 August 2015 (PDT)


=== Audio-Video ===
=== Audio-Video ===
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* [http://lessemf.com/ Less EMF]
* [http://lessemf.com/ Less EMF]
** [?] EMF control, conductive materials
** [?] EMF control, conductive materials
* [http://www.ohararp.com/Stencils.html/ Laser cut kapton stencils]
** I haven't used this service myself but people I know have and like them (alden 11/10/24)
* [https://www.peigenesis.com/ PEI Genesis]
** Custom connector & cable solutions for harsh environments.


== G33k Out Shop Sites ==
== G33k Out Shop Sites ==
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* [http://www.mcphee.com/shop/ Archie McPhee]
* [http://www.mcphee.com/shop/ Archie McPhee]
** Lowbrow, hilarious junk. Check out the cocktail napkin notebook. (martin 1/21/10)
** Lowbrow, hilarious junk. Check out the cocktail napkin notebook. (martin 1/21/10)
== Optics ==
* [http://www.anchoroptics.com/pages/category/Experimental%20Grade%20Optics.cfm]
** Reported as cheap 'bargin bin'. [[User:Mirage335|Mirage335]] ([[User talk:Mirage335|talk]]) 07:12, 21 July 2014 (PDT)


== Mechanical Parts & Fabrication ==
== Mechanical Parts & Fabrication ==
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* [http://www.fastenal.com/ Fastenal]
* [http://www.fastenal.com/ Fastenal]
** [?] Large selection of fasneners  (martin 2/26/10)
** [?] Large selection of fasneners  (martin 2/26/10)
** Sterling VA manager, J. T. Bailey, may be able to has offered to consider discounts, pre-purchase/outside-drop service, inter-store ordering, and seems to be interested in accommodating demand for specific parts as needed. Quite helpful. [[User:Mirage335|Mirage335]] ([[User talk:Mirage335|talk]]) 15:02, 10 September 2015 (PDT)


* [http://www.nutty.com/ The Nutty Company]
* [http://www.nutty.com/ The Nutty Company]
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* [http://www.hookandloop.com/ HookandLoop.com]
* [http://www.hookandloop.com/ HookandLoop.com]
** [?] Has conductive hook & loop tape  (martin 4/10/10)
** [?] Has conductive hook & loop tape  (martin 4/10/10)
* [http://www.mrmetric.com/ Mr. Metric]
** [?]  Metric bolts and machine screws with $7.50 flatrate shipping and no minimum order (James 4/12/17)


=== Machine Tools Sales ===
=== Machine Tools Sales ===


* [http://Use-Enco.com Enco]  
* [http://Use-Enco.com Enco]  
** [3] Very complete source for machine tooling, can be expensive. Online specials (Hot Deals) can be good deals, however. (alden 10/02/09)
** [3] Very complete source for machine tooling, can be expensive. Online specials (Hot Deals) can be good deals. Good for end mills and cutting tools. (alden 10/02/09)


* [http://www.harborfreight.com Harbor Freight] '''LOCAL'''
* [http://www.harborfreight.com Harbor Freight] '''LOCAL'''
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* [http://littlemachineshop.com/ Little Machine Shop]
* [http://littlemachineshop.com/ Little Machine Shop]
** Well known source for small CNC parts, machinging tools and parts (alden 10/04/09)
** Well known source for small CNC parts, machinging tools and parts (alden 10/04/09)
* [http://www.shars.com/ Shars]
** [5] Good, cheap CNC and machining parts (alden 11/15/11)
* [http://www.intellidrives.com/ IntelLiDrives,Inc.]
** Supplier of linear actuators, rotary tables and XY systems (greg 9/22/11)


* [http://www.micromark.com/ Micro-Mark]
* [http://www.micromark.com/ Micro-Mark]
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* [http://www.mcmaster.com/ McMaster-Carr]
* [http://www.mcmaster.com/ McMaster-Carr]
** If you're already buying material from McMaster, you can cut down on shipping by ordering your tools from here as well.  All pretty good quality, price isn't great but reasonable.  (tom 10/07/10)
** If you're already buying material from McMaster, you can cut down on shipping by ordering your tools from here as well.  All pretty good quality, price isn't great but reasonable.  (tom 10/07/10)
* [http://www.dumpstercnc.com/ DumpsterCNC - The Anti-Backlash Store]
** Lead screws, shaft couplers, and nuts. That's all. Should also be the anti-runout store (alden 11/15/11)


=== Services ===
=== Services ===
* [http://www.3dmetalparts.com/ 3DMetalParts] '''LOCAL'''
** [5] 6,000 sf facility houses a machine shop, an electro-mechanical dept., a fabrication dept., mobile cranes, etc. Consulting and services include: Transportation and installation, CAD modeling and kinematics, Electronic and Mechanical Design, etc. Equipment includes welders, a big lathe and 6-axis robots and a torch to cut parts from metal shapes. (alberto 5/2/12)
*** Chas Colburn, 5330 46th Avenue, Hyattsville, MD 20781
*** 301-221-2184


* [http://www.emachineshop.com/ eMachineshop]
* [http://www.emachineshop.com/ eMachineshop]
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** Laser cutting. Call Riley Porter first! (alden 12/08/09)
** Laser cutting. Call Riley Porter first! (alden 12/08/09)


* [http://www.roxchox.com/ Rox Chox and Wookworking] '''LOCAL'''
* [http://www.roxchox.com/ Rox Chox and Woodworking] '''LOCAL'''
** Sign & CNC Router Service (martin 2/26/10)
** Sign & CNC Router Service (martin 2/26/10)


* [http://www.flywheelmachinetools.com/ Fly Wheel Machine Tools] '''LOCAL'''
* [http://www.flywheelmachinetools.com/ Fly Wheel Machine Tools] '''LOCAL'''
** [5] Machine tools, used/refurbished/antique equipment, machine shop services.  Excellent reputation (martin 4/10/10)
** [5] Machine tools, used/refurbished/antique equipment, machine shop services.  Excellent reputation (martin 4/10/10)
* [http://barrettmachine.com/about-us/ Barrett Machine and Tool] '''LOCAL'''
* [http://millermachinetool.com/ Miller Machine and Tool] '''LOCAL'''


== Plastics ==
== Plastics ==
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* [http://www.piedmontplastics.com/ Piedmont Plastics] '''LOCAL'''
* [http://www.piedmontplastics.com/ Piedmont Plastics] '''LOCAL'''
** Sells a variety of plastics.  Has a sales counter with knowledgeable & helpful sales person.  Sells scrap at discount - call to see what they have.  Can fabricate and special order stuff.  Sells limited selection of plastic working supplies: glue, bottles, etc.  Beltsville, MD (Was Reid Plastics in Rockville, MD)  Another shop in Richmond, VA. (martin 12/29/09)
** Sells a variety of plastics.  Can fabricate and special order stuff.  Elkridge, MD (Was Reid Plastics in Rockville, MD)  Another shop in Richmond, VA. (martin 11/6/12)


*[http://baltimore.lairdplastics.com/ Laird Plastics] '''LOCAL'''
*[http://baltimore.lairdplastics.com/ Laird Plastics] '''LOCAL'''
** Mentioned in a dorkbot blabber post 3/31/10 by John Tinsdale (alden 3/31/10)
** Mentioned in a dorkbot blabber post 3/31/10 by John Tinsdale (alden 3/31/10)
*[http://www.usplastic.com/ US Plastic Corp]
** Sells an assortment of industrial and domestic plastic products; searchable knowledgebase; free catalog; not the cheapest prices but the selection is vast. (alberto 12/3/11)


== Metals ==
== Metals ==
* [http://www.metalsforasteel.com/ Metals for a Steel]
** [5] Hands down one of the best online metal suppliers. Great prices and a large selection (alf 08/07/12)


* [http://www.metalsdepot.com Metals Depot]  
* [http://www.metalsdepot.com Metals Depot]  
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* [http://potomacsteel.com/ Potomac Steel & Supply, Inc] '''LOCAL'''
* [http://potomacsteel.com/ Potomac Steel & Supply, Inc] '''LOCAL'''
** [3] Good selection of larger stock items. Good prices. I suffered downright mean service. (alberto 5/8/10)
** [3] Good selection of larger stock items. Good prices. I suffered downright mean service. (alberto 5/8/10)
* [http://winchestermetals.com/ Winchester Metals] '''LOCAL'''
** Great service, amazing prices. Wide selection of metal products, sold by the pound. [[User:Mirage335|Mirage335]] ([[User talk:Mirage335|talk]]) 11:59, 13 August 2015 (PDT)


== Wood ==
== Wood ==
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* [http://shop.ebay.com/amt33461/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p3686 Copper Clad PCB ebay Seller]  
* [http://shop.ebay.com/amt33461/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p3686 Copper Clad PCB ebay Seller]  
** [4] Reliable, quality fabrication within 1/16" - 1/8" variance. Very good prices on custom cut PCB sizes. By far the best place to get DIY PCB boards in bulk and custom cut to boot!. I've ordered one time. ([[User:Ril3y|Ril3y]] 18:46, 25 February 2010 (UTC))
** [4] Reliable, quality fabrication within 1/16" - 1/8" variance. Very good prices on custom cut PCB sizes. By far the best place to get DIY PCB boards in bulk and custom cut to boot!. I've ordered one time. ([[User:Ril3y|Ril3y]] 18:46, 25 February 2010 (UTC))
* [http://www.apc-pcbassembly.com/ Asia Pacific Circuits Co., Ltd]
** [4] Turn-key assembly from China, specialize in mid-volume, competitive, with reasonable service and shipping. Recommended by A Stacey. (alden 5/16/10)
* [https://www.seeedstudio.com/fusion_pcb.html Seeed Studio PCB]
** [4] Seeed Studio PCB is the best I've seen on small runs


* [http://www.4pcb.com/ Advanced Circuits]  
* [http://www.4pcb.com/ Advanced Circuits]  
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* [http://www.custompcb.com/ Custom PCB, aka Silvtronics]  
* [http://www.custompcb.com/ Custom PCB, aka Silvtronics]  
** [3] Very cheap offshore (Malaysia). Not as good quality as others - hole alignment, plating finish..., but may be OK for simpler applications. (alden 10/03/09)
** [3] Very cheap offshore (Malaysia). Not as good quality as others - hole alignment, plating finish..., but may be OK for simpler applications. (alden 10/03/09)
* [http://www.sfcircuits.com/ San Francisco Circuits]
** Northern California-based - well known for flex PCB, metal core and HDI. Try them for larger, more complex projects. 2-layer hobbyist special also available for $199 shipped (qty=3). 4-layer for $319.


* [http://www.expresspcb.com/ Express PCB]
* [http://www.expresspcb.com/ Express PCB]
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* [http://www.sunstone.com/products-services/quickturn-proto-boards/pricing.aspx Sunstone]
* [http://www.sunstone.com/products-services/quickturn-proto-boards/pricing.aspx Sunstone]
** [2] I never used them as they always price out higher than the alternatives. (alden 10/03/09)
** [2] I never used them as they always price out higher than the alternatives. (alden 10/03/09)
** Supposedly offers quick-turnaround. Unfortunately, they have failed to complete the first overnight order I placed with them, did not know what the problem was, and did not offer timely replacement. Disappointing. [[User:Mirage335|Mirage335]] ([[User talk:Mirage335|talk]]) 11:46, 18 December 2013 (PST)


* [http://www.pcbcart.com PCB Cart]
* [http://www.pcbcart.com PCB Cart]
** Chinese maker. Have not personally tried but a reliable source uses them regularly. (Osman 10/24/09)
** Chinese maker. Have not personally tried but a reliable source uses them regularly. (Osman 10/24/09)


* [http://www.batchpcb.com BatchPCB]
* [http://www.batchpcb.com BatchPCB/OshPark]
** Haven't tried. Recommended by R M Adams. (Osman 10/24/09)
** Haven't tried. Recommended by R M Adams. (Osman 10/24/09)
** Exceptionally high quality PCBs, reasonable pricing, reasonable turnaround. Well supported by gedaProduction scripts. [[User:Mirage335|Mirage335]] ([[User talk:Mirage335|talk]]) 20:14, 17 September 2015 (PDT)
* [http://www.7pcb.com Bittele Electronics]
** Turn-key assembly, with reasonable service and shipping. Recommended by A Stacey. (georged 5/16/10)


* [http://www.pcbnet.com/ Imagineering Inc]
* [http://www.pcbnet.com/ Imagineering Inc]
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** adapters supplier and pcb manufacturer. based in cal. (Osman 12/11/09)
** adapters supplier and pcb manufacturer. based in cal. (Osman 12/11/09)


* [http://www.wonderfulpcb.com/ Wonderful PCB]
* [http://www.wonderfulpcb.com/ Wonderful PCB]
** PCB board from printed circuit boards(PCB) manufacturer (Osman 13/08/27)
** PCB board from printed circuit boards(PCB) manufacturer (Osman 13/08/27)
* [http://www.shenzhen2u.com/ Shenzhen2U.com]
** Low prices PCB Prototyping in Shenzhen China, $9.9 10pcs 2Layers PCB  (sumcard 14/07/23)
* [http://www.7pcbassembly.com Asian Circuits]
** Prototyping, small batches and low volume runs. (cilgin 8/13/14)
* [http://technotronix.us TechnoTronix]
** PCB Fabrication (Low - Medium-High volume Production)
* [http://www.7pcbmanufacturing.com/ Fast Circuits]
** PCB board from printed circuit boards(PCB) manufacturer (cilgin 15/03/02)
* [http://www.wellpcb.com/ WellPCB]
** WELLPCB is focusing on online prototypes orders, to meet the requirement of Low cost, Fast delivery, Easy order for customers around the world. (Howie 17/05/05)
* [http://www.nod-pcba.com/ NOD Electronics]
** Advanced PCB assembly and manufacturing with 7 SMT lines, 4 DIP lines and meet with ISO9001, UL, RoHS.


== Other ==
== Other ==
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* [http://www.hobbyworks.com/default.cfm/Content/Stores Hobby Works] '''LOCAL HOBBY STORE'''
* [http://www.hobbyworks.com/default.cfm/Content/Stores Hobby Works] '''LOCAL HOBBY STORE'''
** Recommended by people on the Hacdc list. Dremel accessories, wheels of all shapes and kinds (mainly for model planes and cars), servomotors, DC motors, microshears, small machineable sheets of ABS and styrene in various colors, small tubes and struts in various plastics and metals. - Thanks Erica Kane (alden 4/10/10)
** Recommended by people on the Hacdc list. Dremel accessories, wheels of all shapes and kinds (mainly for model planes and cars), servomotors, DC motors, microshears, small machineable sheets of ABS and styrene in various colors, small tubes and struts in various plastics and metals. - Thanks Erica Kane (alden 4/10/10)
** Also, offers excellent selection of small metal sheets. Metals available include brass, tin, aluminum, and (sparsely) copper with thicknesses from 0.01" to >0.025". (mirage335 4/10/12)
[[Category:Useful_Info]]

Latest revision as of 18:57, 25 June 2019

Purpose of this page

List of suppliers for various materials and items and user reviews.

Please add new suppliers and user comment lines (with attribution / date) Suppliers can be rated by in the user comment lines. Convention is [1] = worst, [5] = best

See also

Pumping Station: One's Sources page

Electronics, Robotics, CNC...

Local Distributors

(See LOCAL tag for other local businesses in subsequent sections)

  • Arcade Electronics LOCAL DISTRIBUTOR
    • [3] Local full-line distributor. Prices vary, but good experiences with them (alden w/hat tip to Mark Fearer - 10/16/09)
  • Baynesville Electronics LOCAL
    • "My favorite in MD" (Q via martin 3/11/10) [Must be good if you still like it after the really annoying Flash intro! - alden]
  • Microcenter
    • Well stocked computer store. Will match newegg prices (and a few others).
  • The Computer Place LOCAL
    • [5] Clone boutique on steroids. Good prices and wide selection of PC components. Wall of cables. Gaithersburg, MD and Fairfax, VA (martin 12/31/09)

Large Suppliers

  • Waytek
    • Waytek has been supplying high quality electrical wiring supplies since the 1970s.
  • Mouser Electronics
    • [4] Very complete line of electronics parts. Good searchability, fast service, decent prices on parts. Tools and some other items are expensive (alden 10/02/09)
  • DigiKey
    • [3] Very complete line of electronics parts. I find it harder to navigate than Mouser, and more expensive. I generally don't use them unless I can't find something elsewhere (alden 10/02/09)
  • Avnet Electronics
    • [4] US electronics parts distributor, like Mouser or DigiKey. Good searchability. Avnet Inc. also offers consulting, design, and FAE services (will 10/02/09).
  • Eaton Electronics
    • [4] Eaton offers a broad range of electronics components that include power magnetics, circuit protection, supercapacitor and terminal block products. These products serve customers in computing, consumer, energy, industrial, medical and transportation markets..
  • Jameco
    • [3] Well known supplier - reasonably complete line (not as complete as Mouser, Digi-key, Avnet), some prices are very good. (alden 10/04/09)
  • ROHM
    • [4] Designs and manufactures integrated circuits (ICs), semiconductors, and other electronic components).
  • Newark Electronics, aka. Element 14
    • Full line distributor (Philip Stewart via Alden 2/28/12)
    • Also supplies screws, 3D printer filament, Raspberry Pi's. Also does PCB fab and assembly at competitive rates. Good choice for projects including a mix of electrical and non-electrical components. Mirage335 (talk) 20:03, 17 September 2015 (PDT)

LEDs, Lighting

  • Hebei (China) LEDs only
    • [5] Best prices on LEDs I've found - but does have a $199 minimum (see Buy LEDs Online for smaller orders). Ship fast. Worked through a problem with them and they handled me fairly. (alden 10/02/09)
  • Buy LEDs Online LEDs only
    • [4] US distributor for Hebei. Same stuff. Prices are more expensive but no minimum. (alden 10/02/09)
  • Bulb Man
    • Large variety of mostly conventional light bulbs (martin 2/26/10)
  • 1000 Bulbs.com
    • [5] Good variety of CFLs and other household and commercial lamps. Used them for years with good results (alden 3/12/10)

Batteries

  • Batteries Plus LOCAL
    • [3] Surprisingly large selection for a retail shop Rockville & Columbia MD, Alexandria, Fairfax & Woodbridge VA (martin 3/11/10)
  • Battery Junction
    • [4] Hard to find batteries, including Lithium Thionyl Chloride 3.6v batteries (alden 10/06/09)

Surplus

  • Electronics Goldmine
    • Discounts on SMT components, and often has cool weird stuff like IC masks and wafers. Special robot section. (dan 05/03/09 via gareth's article via alden)
  • All Electronics Surplus
    • [4] Nice bargain bin to hunt around in. Not very complete line of parts, but some very good buys. (alden 10/04/09)
  • Alltronics
    • Nice broad selection of surplus stepper motors, other CNC and robotics parts, and electronics (alden 01/20/10)

Microcontroller, development boards, modules

  • Modern Device
    • These guys have pretty good arduino clones, the Bare-Bones-Board and the Really-Bare-Bones-Board, kits from about $10. Fast & cheap shipping, good customer service. (jackson 10/02/09 -- did a bulk order from them.)
  • Semiconductor Store
    • Esoteric electronics, like Nordic ANT radios, some robotics parts. Some parts can have high minimums (alden 10/04/09)
  • Adafruit Industries
    • Lots of Arduino, microcontroller, electronics and robotics parts (Philip Stewart via Alden 2/28/12)
  • Sparkfun
    • Assortment of electronics, assemblies, mechanical components for robotics, motion control and other applications (alden 12/08/09)
  • Digilent
    • [5] Xilinx FPGA and Atmel/Microchip microcontroller development boards and accessories. Makers of the fine boards used in our FPGA class. (martin 12/31/09)
  • MDflystore
    • eBay seller with good prices for development boards, prototyping gear, SMT, etc. (alden from blabber post by AndrewQ 1/27/10)
  • Robo Kits World (India)
    • [5] Unbelievably low prices on 0.100" single inline headers - like $0.13 each for 40 pins in 100's. See Components / Headers. I have order history with them (alden 3/12/10)
  • Phidgets
    • Some really cool USB control and sensing components (alden 9/11/11 (safety third))

Hobby CNC

(see also Machine Tools Sales section)

  • Polulu
    • Assortment of electronics, assemblies, mechanical components for robotics, motion control and other applications (alden 12/08/09)
  • Hobby CNC
    • David Powell from Harford Hackerspace is trying to kick-ass on Riley's CNC with stepper motors from this site. Beware (alden 12/08/09)
  • Stock Drive Parts
    • Nice pulleys, belts, and other robot and machine parts (alden 9/11/11 (safety third))
  • Robot Shop
    • Excellent supply of various robotics components, especially wide selection of motors. Mirage335 (talk) 19:37, 15 August 2015 (PDT)

Audio-Video

  • Monoprice
    • [5] Wide variety of audio/visual/networking cables and accessories - low prices (martin 1/7/10)
    • also USB. Really cheap, with cheap shipping too (--NikolasCo 15:51, 23 April 2010 (UTC))

Networking

Automobile Electronics - rugged, DC powered & small format PCs and parts

  • Carplugs
    • OBD-II connectors (martin 2/26/10)
  • MPGino
    • Mileage computer - open source plans/kit for fuel injected Pre OBD-II cars (martin 2/26/10)

Etc.

  • Circuit Specialists
    • Lots of good stuff for making PCBs, motion control, and other related stuff (alden 10/06/09)
  • Less EMF
    • [?] EMF control, conductive materials
  • PEI Genesis
    • Custom connector & cable solutions for harsh environments.

G33k Out Shop Sites

  • Think Geek
    • Name says it all - weird and wonderful stuff of every variety! (martin 12/31/09)
  • DealExtreme
    • Incredibly random selection of electronics and other stuff. The Cubic Configurable Storage Toolboxes (sku 4580) are great for holding surface mount parts (alden 10/06/09)
    • From Fredrik Nyman: Bottom line: check your order status. (Back ordered items can delay your order if you don't check on it)
    • Amazingly low prices on solder paste in 50g tubs - like ~$3.00. Be sure you are getting solder PASTE and not flux. (alden 3/12/10)
  • American Science and Surplus
    • Random assortment of useful and amusing items (alden 12/08/09 - thx Tim Farnam)
    • Of special note for lathe people: decent quality digital calipers for $20 (tom 10/07/10)
  • Woot.com
    • What can you say about Woot? (alden 12/08/09 - thx Daniel Ternes)
  • Sci-supply
    • Accoutrement for the mad scientist (martin 12/29/09)
  • Archie McPhee
    • Lowbrow, hilarious junk. Check out the cocktail napkin notebook. (martin 1/21/10)

Optics

Mechanical Parts & Fabrication

Parts & Materials

  • McMaster-Carr
    • Very complete line of mechanical parts. Good service. Pricing can often be beat if you hunt around. (alden 10/4/09)
  • Maryland Metric LOCAL / BALTIMORE
    • Huge selection of metric parts (alden 3/12/10)
  • Small Parts
    • [4] Wild selection of esoteric parts. Stockouts common, but otherwise good services (alden 10/04/09]

Fasteners

  • McFeeleys
    • More wood screws and fasteners than you knew existed. Should be called Screw Depot but that would attract the wrong clientèle (martin 12/21/09)
  • Fastenal
    • [?] Large selection of fasneners (martin 2/26/10)
    • Sterling VA manager, J. T. Bailey, may be able to has offered to consider discounts, pre-purchase/outside-drop service, inter-store ordering, and seems to be interested in accommodating demand for specific parts as needed. Quite helpful. Mirage335 (talk) 15:02, 10 September 2015 (PDT)
  • Mr. Metric
    • [?] Metric bolts and machine screws with $7.50 flatrate shipping and no minimum order (James 4/12/17)

Machine Tools Sales

  • Enco
    • [3] Very complete source for machine tooling, can be expensive. Online specials (Hot Deals) can be good deals. Good for end mills and cutting tools. (alden 10/02/09)
  • Harbor Freight LOCAL
    • [3] Some things are really cheap. Others are just "cheap". Not good for precision equipment such as lathes, rotary tables, etc. Still useful, however (alden 10/02/09)
    • There is a retail store in Laurel, MD, Gaithersburg, MD and another in Woodbridge, VA.
  • Grizzly Industrial
    • [4] Good source for machine tools themselves and some limited parts. See Enco for more complete parts and supplies (alden 10/04/09)
    • [4] I really like my 14" Grizzly bandsaw. The PA retail location claims to be the largest tool showroom in the world. (martin 12/21/09)
  • Little Machine Shop
    • Well known source for small CNC parts, machinging tools and parts (alden 10/04/09)
  • Shars
    • [5] Good, cheap CNC and machining parts (alden 11/15/11)
  • IntelLiDrives,Inc.
    • Supplier of linear actuators, rotary tables and XY systems (greg 9/22/11)
  • Micro-Mark
    • Mini tools and model building supplies (martin 2/26/10)
  • Skarie LOCAL
    • [4] Woodworking machinery, power tools & industrial supplies. Some used equipment sales martin (4/10/10)
  • Wiha Tools
    • Precision screwdrivers - (alden 6/14/10 from Paul McCord Dorkbot post)
  • McMaster-Carr
    • If you're already buying material from McMaster, you can cut down on shipping by ordering your tools from here as well. All pretty good quality, price isn't great but reasonable. (tom 10/07/10)

Services

  • 3DMetalParts LOCAL
    • [5] 6,000 sf facility houses a machine shop, an electro-mechanical dept., a fabrication dept., mobile cranes, etc. Consulting and services include: Transportation and installation, CAD modeling and kinematics, Electronic and Mechanical Design, etc. Equipment includes welders, a big lathe and 6-axis robots and a torch to cut parts from metal shapes. (alberto 5/2/12)
      • Chas Colburn, 5330 46th Avenue, Hyattsville, MD 20781
      • 301-221-2184
  • eMachineshop
    • [4] Will machine parts from proprietary CAD drawing package. I had a very satisfactory experience with them on a 200-part run. Can be expensive for very short runs (alden 10/03/09)
  • Shapeways
    • Cool 3d printing service. I have not ordered from them (alden 10/06/09)
  • Ponoko
    • Laser cutting. Call Riley Porter first! (alden 12/08/09)
  • Fly Wheel Machine Tools LOCAL
    • [5] Machine tools, used/refurbished/antique equipment, machine shop services. Excellent reputation (martin 4/10/10)

Plastics

  • eStreet Plastics
    • [4] Acrylics, etc. Very good prices and good for small quantities (e.g. 1 foot lengths of tuning, etc. (alden 10/02/09)
  • Delvies Plastics
    • [4] Acrylics, casting supplies. Good prices, shipping is OK, but not lightning fast. (alden 10/02/09)
  • TAP Plastics
    • [3] Acrylics, casting supplies. Good selection, services; somewhat more expensive than some other suppliers (alden 10/02/09)
  • Piedmont Plastics LOCAL
    • Sells a variety of plastics. Can fabricate and special order stuff. Elkridge, MD (Was Reid Plastics in Rockville, MD) Another shop in Richmond, VA. (martin 11/6/12)
  • Laird Plastics LOCAL
    • Mentioned in a dorkbot blabber post 3/31/10 by John Tinsdale (alden 3/31/10)
  • US Plastic Corp
    • Sells an assortment of industrial and domestic plastic products; searchable knowledgebase; free catalog; not the cheapest prices but the selection is vast. (alberto 12/3/11)

Metals

  • Metals for a Steel
    • [5] Hands down one of the best online metal suppliers. Great prices and a large selection (alf 08/07/12)
  • Metals Depot
    • [5] This has been a great find. Small quantities of steel, aluminum, etc; cheap prices, reasonable shipping, good service. (alden 10/02/09)
  • Speedy Metals
    • [4] Good second choice to Metals Depot. Somewhat larger selection, somewhat higher prices. (alden 10/02/09)
  • BMG Metals, Inc LOCAL
    • [5] Great choice for larger stock items. Good prices and excellent service. (alberto 5/8/10)
  • Potomac Steel & Supply, Inc LOCAL
    • [3] Good selection of larger stock items. Good prices. I suffered downright mean service. (alberto 5/8/10)
  • Winchester Metals LOCAL
    • Great service, amazing prices. Wide selection of metal products, sold by the pound. Mirage335 (talk) 11:59, 13 August 2015 (PDT)

Wood

Plywood and Sheet Goods

  • Allied Plywood LOCAL
    • [?] Alexandria and Springfield - Large selection of sheet goods. Only open on weekdays.
  • Hardwoods Inc. LOCAL
    • [4] Large selection of sheet goods - hardwood plywwod, exotic lumber, millwork. Fredrick, MD (martin 3/11/10)

Exotic Lumber

  • Vienna Hardwoods LOCAL
    • [4] There are many really great hardwood outlets in the area. This shop is closest to me and usually has what I need at a reasonable price so I don't have a reason to go further. Exotic lumber, veneer, flooring. (martin 12/29/09)

Construction Lumber

  • T W Perry LOCAL
    • [4] Building/construction supplies. Quality lumber, sheet goods, millwork, fasteners, tools... Helpful, knowledgeable staff - great alternative to big orange borg. Delivers. Baltimore, Chevy Chase, and Gaithersburg, MD, Leesburg and Springfield, VA (martin 12/29/09)

Woodworking Tools and Supplies

  • Woodcraft LOCAL
    • [3] Hand and power tools, exotic lumber, fasteners, blades, glue, dyes, finishes. Has a membership based woodworking shop and conducts classes on basic and advanced woodworkng topics. Rockville & Baltimore, MD, Springfield & Leesburg, VA (martin 3/11/10)

Printed Circuit Boards; Fab, Supplies, Assembly

  • Copper Clad PCB ebay Seller
    • [4] Reliable, quality fabrication within 1/16" - 1/8" variance. Very good prices on custom cut PCB sizes. By far the best place to get DIY PCB boards in bulk and custom cut to boot!. I've ordered one time. (Ril3y 18:46, 25 February 2010 (UTC))
  • Asia Pacific Circuits Co., Ltd
    • [4] Turn-key assembly from China, specialize in mid-volume, competitive, with reasonable service and shipping. Recommended by A Stacey. (alden 5/16/10)
  • Advanced Circuits
    • [4] Reliable, quality fabrication, prices vary. Very good prices on bare-bones prototypes. Other volumes may or may not be competitive. I've ordered many times (alden 10/03/09)
  • Custom PCB, aka Silvtronics
    • [3] Very cheap offshore (Malaysia). Not as good quality as others - hole alignment, plating finish..., but may be OK for simpler applications. (alden 10/03/09)
  • San Francisco Circuits
    • Northern California-based - well known for flex PCB, metal core and HDI. Try them for larger, more complex projects. 2-layer hobbyist special also available for $199 shipped (qty=3). 4-layer for $319.
  • Express PCB
    • [3] Prototyping shop with good prices. Has an easy-to-use, proprietary drawing package. At some point you'll want Gerber files and outgrow these guys (alden 10/03/09)
  • Gold Phoenix
    • A lot of people use this company. I have no experience with them to comment (alden 10/03/09)
  • Sunstone
    • [2] I never used them as they always price out higher than the alternatives. (alden 10/03/09)
    • Supposedly offers quick-turnaround. Unfortunately, they have failed to complete the first overnight order I placed with them, did not know what the problem was, and did not offer timely replacement. Disappointing. Mirage335 (talk) 11:46, 18 December 2013 (PST)
  • PCB Cart
    • Chinese maker. Have not personally tried but a reliable source uses them regularly. (Osman 10/24/09)
  • BatchPCB/OshPark
    • Haven't tried. Recommended by R M Adams. (Osman 10/24/09)
    • Exceptionally high quality PCBs, reasonable pricing, reasonable turnaround. Well supported by gedaProduction scripts. Mirage335 (talk) 20:14, 17 September 2015 (PDT)
  • Bittele Electronics
    • Turn-key assembly, with reasonable service and shipping. Recommended by A Stacey. (georged 5/16/10)
  • Stencils Unlimited
    • Very good prices on solder paste and other circuit supplies. Boards can be had cheaper from other suppliers in this list (alden 12/08/09)
  • Mettrix
    • [4] Board fab and assembly in NY State. Prices are good but not rock bottom, They are very helpful, especially for less experienced customers - such as I was (alden 12/08/09)
  • Advanced Assembly
    • Short run assembly. Recommended by Sepideh Miller on list (Dec 2, 2009) (alden 12/08/09)
  • eP Board Design
    • adapters supplier and pcb manufacturer. based in cal. (Osman 12/11/09)
  • Wonderful PCB
    • PCB board from printed circuit boards(PCB) manufacturer (Osman 13/08/27)
  • Shenzhen2U.com
    • Low prices PCB Prototyping in Shenzhen China, $9.9 10pcs 2Layers PCB (sumcard 14/07/23)
  • Asian Circuits
    • Prototyping, small batches and low volume runs. (cilgin 8/13/14)
  • TechnoTronix
    • PCB Fabrication (Low - Medium-High volume Production)
  • Fast Circuits
    • PCB board from printed circuit boards(PCB) manufacturer (cilgin 15/03/02)
  • WellPCB
    • WELLPCB is focusing on online prototypes orders, to meet the requirement of Low cost, Fast delivery, Easy order for customers around the world. (Howie 17/05/05)
  • NOD Electronics
    • Advanced PCB assembly and manufacturing with 7 SMT lines, 4 DIP lines and meet with ISO9001, UL, RoHS.

Other

  • Uline Shipping Supplies
    • [4] Every kind of box, bag, tube, pallet, etc. imaginable. Highly reliable. Prices reasonable in quantity, somewhat more expensive in small Q's (alden 10/04/08)
  • Global Industrial Equipment
    • [4] Really rangy catalog of industrial equipment. They have some great shelves, benches, bins. Watch out, shipping adds up for heavier items (alden 10/04/09)
  • Gempler's
    • [4] Complete catalog of farm and outdoor equipment. See powdered Gatorade gallon bags. (alden 10/04/09)
  • Terrapin Trader LOCAL
    • [4] University of MD Surplus Property - From physics to food service they got it. Lots of furniture, good but not great deals. (martin 12/21/09)
  • Crazy Ray's LOCAL
    • [3] "It's a parts garden, not a junkyard." (martin 2/3/10)
  • Weisser Glass Studio LOCAL
    • [4] Small but well stocked shop with large selection of stained glass and tools - helpful staff (martin 2/26/10)
  • Community Forklift LOCAL
    • [4] Surplus, salvaged & green building materials (martin 4/10/10)
  • Hobby Works LOCAL HOBBY STORE
    • Recommended by people on the Hacdc list. Dremel accessories, wheels of all shapes and kinds (mainly for model planes and cars), servomotors, DC motors, microshears, small machineable sheets of ABS and styrene in various colors, small tubes and struts in various plastics and metals. - Thanks Erica Kane (alden 4/10/10)
    • Also, offers excellent selection of small metal sheets. Metals available include brass, tin, aluminum, and (sparsely) copper with thicknesses from 0.01" to >0.025". (mirage335 4/10/12)
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