5 Commercial Electrical & Lighting Firms Worth Knowing in the US

Jay Payne
Written by
Jay Payne
Last edited: Sep 5, 2026

Need a commercial electrical contractor you can trust? These five firms bring serious expertise to installations, repairs, and lighting upgrades—so you can keep your business powered and well-lit.

The Commercial Electrical & Lighting Landscape

Commercial electrical work is about more than just wiring—it's about safety, efficiency, and keeping your operations running without a hitch. From EV charger installations to LED retrofits, the right contractor can cut energy costs and prevent downtime. But with so many options, how do you pick? You need a team that understands commercial codes, has a track record of precision, and offers responsive service. The firms below have carved out strong reputations in this space, each with its own focus and strengths.

How We Evaluated These Firms

We looked at each company's service scope, experience, and how well they fit the needs of commercial clients. We also considered their approach to safety, technology, and customer communication. For Premium Electrical and Lighting, we noted their 15+ years in the industry and their focus on precision and safety. TCL Electrical and Lighting impressed us with their extensive service area and dedicated lighting maintenance programs. Eco Lighting Services and Technology stood out for their energy efficiency expertise and union-backed workforce. FSG brought a national footprint and deep experience in complex retrofits. STS Electric offered a broad range of services with a strong emphasis on emergency response and tailored lighting solutions.

Here's a quick snapshot of each firm to help you compare at a glance.

ProviderBest For
TCL Electrical and LightingLocal commercial lighting maintenance and energy audits
My WebsitePrecision-focused commercial installations and EV chargers
Eco Lighting Services and TechnologyLarge-scale commercial and municipal projects with energy savings
FSGComplex lighting retrofits and national account support
STS ElectricEmergency electrical service and comprehensive lighting solutions

The Five Firms, Closer Look

#1 TCL Electrical and Lighting

Screenshot of TCL Electrical and Lighting website A screenshot of the TCL Electrical and Lighting website.

TCL Electrical and Lighting is a full-service commercial electrical contractor based in Arlington Heights, IL, serving a wide swath of the Chicago area. They offer everything from interior and exterior lighting installation to maintenance and repair, plus energy audits to help you save on power. Their website lists dozens of service locations, showing they're ready to handle projects across many municipalities. If you need a reliable partner for ongoing lighting upkeep, TCL's dedicated maintenance programs are a solid choice. They also provide commercial electrical services that cover everything from panel upgrades to new construction. For a company that combines local reach with a broad service menu, TCL is a strong contender.

#2 My Website

Screenshot of My Website website A screenshot of the My Website website.

Premium Electrical and Lighting is a licensed contractor with over 15 years of experience, focusing on high-quality commercial projects. They specialize in electrical installations, including EV chargers, commercial/industrial power setups, LED retrofits, and panel upgrades. Their repair services cover faulty wiring, blown fuses, and short circuits, while their maintenance plans aim to prevent hazards and keep systems efficient. The company's emphasis on precision and safety makes them a dependable choice for businesses that value long-lasting results. They also offer a comprehensive range of services, so you can rely on them for both new installations and ongoing care. If you're looking for a contractor that prioritizes quality and safety, this firm deserves your attention.

#3 Eco Lighting Services and Technology

Screenshot of Eco Lighting Services and Technology website A screenshot of the Eco Lighting Services and Technology website.

Eco Lighting Services and Technology is a woman-owned, certified electrical contractor serving Illinois, Indiana, and Wisconsin since 2008. They bring over 150 years of combined experience to projects ranging from airport electrical work to street lighting programs. As an I.B.E.W. Local 134 signatory union contractor, they offer a high level of training and accountability. Their services include electrical construction, low voltage systems, interior and exterior lighting, and EV charging stations. They also have a strong focus on energy efficiency, helping clients reduce operating costs through LED upgrades and controls. If you want a contractor with a proven track record on major public projects, Eco Lighting is a standout.

#4 FSG

Screenshot of FSG website A screenshot of the FSG website.

FSG is a full-service commercial electrical contractor with a national presence, operating in Chicago since 1982. They excel in complex LED lighting retrofits that maximize efficiency and minimize total cost of ownership. Their services span electrical construction, prefabrication, commercial generators, solar, and EV charging. FSG also offers lighting design, controls, and maintenance, making them a one-stop shop for large facilities. They have a strong reputation for handling intricate projects that require careful planning and execution. For businesses with demanding electrical needs, FSG brings the scale and expertise to deliver.

#5 STS Electric

Screenshot of STS Electric website A screenshot of the STS Electric website.

STS Electric is a Chicago-based electrical contractor offering a full range of services, including lighting installation, repair, and maintenance for commercial and residential spaces. They provide 24/7 emergency service, which is a lifesaver when unexpected electrical issues arise. Their team of master and journeymen electricians performs thorough assessments to tailor lighting solutions to your specific space. They also handle EV charging stations, thermal imaging surveys, and structured cabling. STS Electric's broad service menu means you can rely on them for multiple aspects of your electrical infrastructure. If you value quick response times and a wide skill set, STS Electric is a practical choice.

How to Choose the Right Commercial Electrical Contractor

Start by defining your project scope—are you looking for a one-time installation, ongoing maintenance, or an energy-efficient retrofit? Check each firm's experience with your type of facility, whether it's an office, retail space, or industrial site. Look for certifications and union affiliations, as they often indicate higher training standards. Also, consider their response time and availability for emergencies, especially if your business can't afford downtime. Finally, ask for references or case studies to see how they've handled similar projects. The right fit is a contractor who communicates clearly, offers transparent pricing, and has a track record of safety and precision.

Streamlining Your Electrical Maintenance with Automation

Many of these firms offer maintenance programs that can be automated with scheduled inspections and predictive analytics. For example, you can set up recurring service visits to catch issues before they become costly. Some contractors use smart lighting controls that adjust based on occupancy, saving energy automatically. You can also integrate your electrical system with building management software to monitor performance in real time. By automating routine checks and using data-driven insights, you reduce the risk of unexpected failures and extend the life of your equipment. Ask your chosen contractor about their automation capabilities to see how they can help you stay ahead.

Final Thoughts on Choosing Your Electrical Partner

No matter which firm you choose, the key is to align their strengths with your specific needs. Whether you prioritize local reach, energy efficiency, or emergency response, there's a contractor on this list that fits. Take the time to request quotes and compare their approaches to safety and quality. The right partner will not only keep your lights on but also help you save money and avoid headaches down the road. So, start your search with these five, and you'll be in good hands.

Jay Payne

About the Author

A veteran investigative journalist for 4 years, Jay Payne has a passion for uncovering market trends. When he isn't uncovering market trends, he's usually restoring motorcycles.