Retail and Wholesale
ELECTRONIC PARTS AT A GREAT PRICE

Call Now to Order

Retail and Wholesale 
ELECTRONIC PARTS AT A GREAT PRICE

Call Now to Order

Thousands of Electrical Parts for Your

Home or Business

Whether you know exactly what parts you need or you want our expert help to customize a package for you, A Gem Supply has you covered. We offer full-service wholesale and retail electrical parts sales. We are located out of Caldwell, ID, and have been helping our customers get what they need since 1961. You can come into our store or call us and make an order that can be shipped nationwide.

Save More Money When You Work with Us

Get exactly what you need without overpaying. Our staff knows our inventory and what it will take to get your project done. This allows us to suggest the exact items YOU need for your project – no prepackaged kit with excess or unusable materials. We will work with everyone, from homeowners to state agencies. 

Who We Help

Businesses

Governments and Agencies

Schools

Hobbyists

System Installation Options

For local customers, our team is able to provide installation services. Our expert staff will help you get the materials you need and get them installed in your home or business. We routinely help with security system installations that require specific wiring, camera mounting, and alarm pads. No matter the product, we are ready to help.

Hear from Our Happy Customers

  • ⭐⭐⭐⭐⭐


    “Was recommended A Gem Supply to fix a broken cable for standing desk. I had been to about 5 other businesses in the valley who couldn’t help. 5 minutes later - I have a standing working desk again! Amazing customer service .. highly recommend.” – Marie M.

  • ⭐⭐⭐⭐⭐


    “Had a question about channels that weren't working through my antennae, and he knew exactly what was wrong, and had an immediate solution for me! Very kind, helpful, and knowledgeable. Thank you so much!” – Kimberly D.

  • ⭐⭐⭐⭐⭐


    “My favorite place to find electrical components.  They have a great selection and amazing customer service.  I would highly recommend them to anyone.” – Samuel D.

  • ⭐⭐⭐⭐⭐


    “Great!  Went in to get help on fixing my TV- problem solved within minutes.  Go here with any issues with electronics.

    I'll be back definitely” – Jenney W.

  • ⭐⭐⭐⭐⭐


    “If you remember what Radio Shack used to be in the 70's and 80's, this is like that but much better. I tinker with electronics and electrical devices and this is my go to place.  They even helped my senior mother with her car remote for free, service like that is rare now days

    Need a resistor?  They've got it... capacitor? They've got it.  Prices are good and the service is excellent.” – Jeff S. 

  • ⭐⭐⭐⭐⭐


    “Fantastic experience. Unbelievable selection of electronics and tools. Really nice staff. Made me feel like family. Saved me hundreds with the parts to fix my microwave. Can’t go wrong with A-Gem supply.” – Chris H.

  • ⭐⭐⭐⭐⭐


    “A local very respectful person close to me told me about this place.  I stopped in just to check it out.  The pretty much have any electronic part you can think of or they can probably get it. Huge consumer options and they also distribute to businesses.  It's a great resource if you are into building or repairing electronics.” – Joshua H.

  • ⭐⭐⭐⭐⭐


    “A gem is the electronic components store you thought didn't exist anymore. Capacitors, potentiometers, ic's, flux, tools, and anything else you thought had to come from the internet is right here. Family owned and operated for generations. Thank you a gem” – Royce S.

  • ⭐⭐⭐⭐⭐


    “There are two shops like this one in the entire Treasure Valley.  They are the best of the two for inventory. The staff is about as friendly as you could expect and I always leave with what I'm looking for and then some.  My go to for parts other than online.” – Ron P.

  • ⭐⭐⭐⭐⭐


    “If you're into electronics computers and everything that goes with them that you can't find at the big box stores this place is off the hook. I'm in this place at least once every other week whether it's for thermal paste or network cables or an antenna to pull free TV out of the air they have it all staff is very knowledgeable and being able to find a place like this that's a mom and pop local shop is awesome.” – DJ L. 

  • ⭐⭐⭐⭐⭐


    “Was recommended A Gem Supply to fix a broken cable for standing desk. I had been to about 5 other businesses in the valley who couldn’t help. 5 minutes later - I have a standing working desk again! Amazing customer service .. highly recommend.” – Marie M.

  • ⭐⭐⭐⭐⭐


    “Had a question about channels that weren't working through my antennae, and he knew exactly what was wrong, and had an immediate solution for me! Very kind, helpful, and knowledgeable. Thank you so much!” – Kimberly D.

  • ⭐⭐⭐⭐⭐


    “My favorite place to find electrical components.  They have a great selection and amazing customer service.  I would highly recommend them to anyone.” – Samuel D.

  • ⭐⭐⭐⭐⭐


    “Great!  Went in to get help on fixing my TV- problem solved within minutes.  Go here with any issues with electronics.

    I'll be back definitely” – Jenney W.

  • ⭐⭐⭐⭐⭐


    “If you remember what Radio Shack used to be in the 70's and 80's, this is like that but much better. I tinker with electronics and electrical devices and this is my go to place.  They even helped my senior mother with her car remote for free, service like that is rare now days

    Need a resistor?  They've got it... capacitor? They've got it.  Prices are good and the service is excellent.” – Jeff S. 

  • ⭐⭐⭐⭐⭐


    “Fantastic experience. Unbelievable selection of electronics and tools. Really nice staff. Made me feel like family. Saved me hundreds with the parts to fix my microwave. Can’t go wrong with A-Gem supply.” – Chris H.

  • ⭐⭐⭐⭐⭐


    “A local very respectful person close to me told me about this place.  I stopped in just to check it out.  The pretty much have any electronic part you can think of or they can probably get it. Huge consumer options and they also distribute to businesses.  It's a great resource if you are into building or repairing electronics.” – Joshua H.

  • ⭐⭐⭐⭐⭐


    “A gem is the electronic components store you thought didn't exist anymore. Capacitors, potentiometers, ic's, flux, tools, and anything else you thought had to come from the internet is right here. Family owned and operated for generations. Thank you a gem” – Royce S.

  • ⭐⭐⭐⭐⭐


    “There are two shops like this one in the entire Treasure Valley.  They are the best of the two for inventory. The staff is about as friendly as you could expect and I always leave with what I'm looking for and then some.  My go to for parts other than online.” – Ron P.

  • ⭐⭐⭐⭐⭐


    “If you're into electronics computers and everything that goes with them that you can't find at the big box stores this place is off the hook. I'm in this place at least once every other week whether it's for thermal paste or network cables or an antenna to pull free TV out of the air they have it all staff is very knowledgeable and being able to find a place like this that's a mom and pop local shop is awesome.” – DJ L. 

Need more information? Call us at 208-459-0783 to speak with one of our experts.

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