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Powering Arizona for 30+ Years – Trusted Industry Leaders of Electrical Construction, EV Charging & Special Systems

JMS Contracting, LLC is a trusted Arizona-based electrical contracting company with a reputation built on almost 40 years of field experience in the industry with dependable service, precision craftsmanship, and forward-thinking solutions.

JMS Contracting, LLC was founded in May of 2017. We specialize in Commercial, Industrial, and Residential Electrical Projects, Turnkey EV Charging Station Construction, and Special Hazards Systems including Fire Alarm and Fire Suppression. Whether you’re upgrading a panel, wiring a facility, installing an EV charger in your garage, or building out EV infrastructure for a fleet – we deliver clean, code-compliant work backed by integrity and experience.

Our team is composed of competent electricians of all levels trained and certified to provide safety, quality, and on-time project delivery. We’ve proudly served clients ranging from homeowners and developers to Fortune 500 companies and government agencies.

What Our Clients Say About Us.

Good morning Matt, I want to let you know how much I appreciate what you and your team at JMS are doing for us at the Flagstaff ... Bluffs Assisted Living project. You have personally stepped up in a big way and your foreman Luis has been stellar. You and your team have set the bar for exceptional performance and in the face of very difficult circumstance and crushing deadlines. Team JMS, because of you, is shining bright. Thank you so much! I sincerely appreciate you and your team and would welcome the opportunity to work together again.

Mitch Stanley Director of Multi-Family

I have been using Matthew Jimenez, JMS Contracting LLC, electrical services for 5 years. Matthew and Chad and ... the other electricians have always been responsive and on time to perform the work, whether it was to install a fan, install LED ceiling lights, create an outlet in the garage for a refrigerator or more recently to problem solve a malfunctioning Ring doorbell. Everyone has been professional as well as knowledgeable. Their fees are competitive and they take the time to handle small projects. I don't understand the one star rating that someone had posted. This firm performs exemplary work. Having previously run a practice, I know that not everyone can be satisfied. I highly recommend JMS Contracting LLC to address all of your electrical needs! Call today!!

William Rademacher

I recently purchased an electric vehicle. I called JMS Contractors. Matt, the owner, came to my residence (on time) ... to see the scope of the job and later that same day emailed me his proposal. He was very professional, courteous and cleaned up and removed all of the trash. I whole heartedly recommend Matt's company for a splendid and very neat and job well done. He also completed the job at the quoted the price. I will use JMS in the future. Thanks again!

Sid J.

Matt Jimenez is ”all that and a bag of chips”. He installed our sub panel on the back of our brick house (which is a challenge in itself) and... brought power to our back patio and shed. He is very precise and only will do the job to perfection. His guys also helped switch out plates and install additional outlets and smart plugs in our entire house during our remodel. JMS is the best!!

Ashley Herrera

JMS treated us like family! Matt and his team looked out for our best interests, and ... we never once felt out of the loop of what was going on with our renovation. They provided us with timely solutions and cost-efficient options that saved on our budget in multiple areas. Matt even threw in an extra light installation free of charge, just because we realized we needed it later into the project. We are so grateful for the JMS team and still contact them regularly for all our household renovations.

Hollie Duncan

I had Matt from JMS Contracting install an EV charger for my electric car and I honestly can’t say enough good things. He was super communicative, showed up when he said he would, explained everything clearly, ... and just had great energy. He was fun to work with, which is not something I ever expected to say getting an EV installed! As a woman, I really appreciated how respectful and straightforward he was. I never felt talked down to or upsold, and I felt totally confident that I was being charged a fair price. If you’re looking for someone who knows his stuff, is easy to work with, and treats you right, this is the place. Highly recommend!

Lindsey Floyd

Matt cares about his customer's satisfaction and backs it up.

Jason Shuckhart

Frequently Asked Questions.

Here are some of the most common questions we receive about our services, experience, and process. If you do not see what you are looking for, feel free to reach out – we are always here to help.

With consistent growth every year and our repeat business from our valued clients, it speaks for itself. We just ask for the opportunity to prove we can be an integral part of your electrical needs.

“… just tell us where you are!”

We offer the best value for your investment. At JMS Contracting, you're not just paying for electrical work - you're getting decades of expertise, top-quality materials, and reliable results our clients deserve and have come to expect. Our pricing is competitive, transparent, and always reflects the high standards our clients expect and deserve.

We are willing to spend the time and money to ensure your project is completed in a timely manner with a quality that is second to none.

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