- INDUSTRIAL, COMMERCIAL & RESIDENTIAL
Electrical Services & EV Charging Experts for every Property Type
Powering Arizona for 30+ Years – Trusted Industry Leaders of Electrical Construction & EV Charging Station Builds
- Who We ARe
JMS Contracting LLC is a trusted Arizona-based electrical contracting company with a reputation built on 30+ years of dependable service, precision craftsmanship, and forward-thinking solutions.
Founded in 1993, we specialize in industrial, commercial, and residential electrical projects, as well as turnkey EV charging station construction. Whether you’re upgrading a panel, wiring a facility, or building out EV infrastructure for a fleet – we deliver clean, code-compliant work backed by integrity and experience.
Our team is composed of licensed electricians, fire safety technicians, and EV infrastructure specialists, committed to safety, quality, and on-time project delivery. We’ve proudly served clients ranging from homeowners and developers to Fortune 500 companies and government agencies.
We Are:
- Rooted in Chandler, Arizona - Locally Owned & Operated
- Licensed: ROC CR11-313789
- Trained in Tesla, Siemens, Notifier, EST, VESDA, FM‑200 systems
- OSHA & NFPA Compliant
- Known for clean work sites, transparent pricing, and responsive service
From small repairs to complex builds, JMS Contracting is your all-in-one partner for power, safety, and sustainability.
- What We Do
Comprehensive Construction Services for Every Need.
Industrial Electrical
Expert installation and maintenance of premium fire alarms from EST, Fike, Kidde, Gamewell, Siemens, Simplex, Notifier, and Potter. All systems meet safety compliance requirements.
Commercial Electrical
Delivering comprehensive electrical services for commercial and industrial sectors. Our certified professionals handle everything from emergency calls to complex construction projects, ensuring high industry standards.
Residential Electrical
Turnkey installations of Level 2 and Level 3 Supercharger stations for major manufacturers including Tesla and Volkswagen. Supporting the growing demand for electric vehicle infrastructure.
EV Charging
Advanced voice and data network infrastructure for optimal connectivity. We provide structured cabling and complete telecommunications systems that future-proof business communications.
Powering the Future with Sustainable Residential & Commercial Electrical Solutions
With over 30 years of hands-on electrical experience, JMS Contracting brings unmatched knowledge and craftsmanship to every project - from residential service calls to complex, ground-up commercial builds. We’re not just electricians - we’re turnkey specialists, trusted by top-tier clients like Tesla and Volkswagen to handle everything from EV charging super sites to advanced fire alarm and gas suppression systems.
Our team is fully equipped to manage all phases of a project, including layout, excavation, concrete, asphalt, fiber optics, and commissioning. Locally owned and operated, we’re known for our personal approach, high standards, and deep industry connections. When you choose JMS, you're not just hiring a contractor - you're gaining a reliable partner dedicated to powering your success.
With over 30 years of proven experience, our team is trusted by industry leaders like Tesla and Volkswagen for critical infrastructure projects. Every technician is certified, highly trained, and committed to excellence — which is why clients across Arizona rely on us for everything from complex builds to emergency service calls. Your project is in expert hands.
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 that stand the test of time. Our pricing is competitive, transparent, and always reflects the high standards our clients expect and deserve.
JMS Contracting proudly serves clients throughout Arizona, with a strong presence in both urban and rural areas. We’re also equipped to take on specialized projects across the Southwest, depending on scope and requirements.
Please give us the opportunity to earn your business so we can be an integral part of your project!
If you need referrals for other contractors and/or vendors at your location, please let us know. We have a great resource of trusted relationships.
Our Featured 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.