Electrical Companies in Texas

The top electrical, communications, fire alarm, and security related companies in Texas

Texas is the country's largest and fastest-growing electrical market, driven by continued population growth in Houston, Dallas–Fort Worth, Austin and San Antonio, a boom in data-center and industrial construction, and rapidly rising residential demand for solar and EV charger installations. This directory lists licensed electrical contractors serving all four major metros as well as the smaller cities around them.

TDLR licensing: the rule electrical work runs on

Electrical contracting in Texas is regulated statewide by the Texas Department of Licensing and Regulation (TDLR). A company doing electrical work must employ or be run by a licensed Master Electrician, and day-to-day work is performed by Journeyman Electricians and apprentices working under that master's supervision. TDLR also issues a separate Electrical Sign Contractor licence for sign work and endorsements for residential-only electricians in some cases. Before hiring, ask for the company's Master Electrician licence number and confirm it's active on TDLR's public licence-lookup tool — a legitimate Texas electrical contractor will provide this without hesitation.

Code adoption is local, not just statewide

Texas doesn't mandate a single statewide building or electrical code; instead, the National Electrical Code (NEC) is adopted by individual cities and counties, each on its own schedule and often with local amendments. Houston, Dallas, Austin and San Antonio have all adopted relatively recent NEC editions but the effective date and local amendments differ by jurisdiction, so an electrician working across metro lines needs to track several code versions at once rather than assuming one statewide standard applies everywhere.

Solar and EV charging are reshaping residential electrical work

Texas leads the nation in new solar capacity, and that growth shows up directly in residential electrical demand: panel upgrades to support solar inverters and battery storage, and dedicated circuits for Level 2 EV chargers, are now a routine part of the residential electrician's workload in fast-growing suburbs around Austin, Dallas and Houston. Interconnection requirements vary by utility — Austin Energy, CenterPoint, Oncor and the various municipal and co-op utilities across the state each have their own solar interconnection application process, and an electrician experienced with solar work will manage that utility paperwork as part of the job, not leave it to the homeowner.

Storm resilience and backup power

Following widespread grid failures during the February 2021 winter storm, Texas homeowners have shown sustained demand for backup power — whole-home standby generators, battery storage paired with solar, and transfer-switch installations. An electrical contractor installing standby generation needs to properly size the transfer switch and coordinate with the local utility on interconnection, and homeowners should ask specifically about a contractor's generator and battery-storage experience rather than assuming general residential electrical experience covers it.

Commercial and data-center growth

Texas's data-center and advanced-manufacturing boom — driven partly by ERCOT's deregulated power market and available land — has created strong demand for commercial and industrial electrical contractors capable of large-scale switchgear, medium-voltage distribution and backup power systems. This is a different scale and skill set than residential wiring, and commercial clients evaluating an electrical contractor for this kind of work should ask specifically about medium-voltage experience and safety programs (OSHA 1910 Subpart S / NFPA 70E arc-flash compliance).

Choosing an electrical contractor in Texas

Verify the Master Electrician licence number on TDLR's lookup tool, confirm the contractor pulls permits in your specific city (since code adoption is local), and for solar, EV charger or generator work, ask about direct experience with your utility's interconnection process. For larger commercial projects, ask about arc-flash safety compliance and medium-voltage experience.

Workforce growth and apprenticeship

Texas's electrical contracting workforce has grown alongside the state's construction boom, and TDLR's apprenticeship pathway — typically four years of documented on-the-job training under a journeyman or master, paired with required classroom hours — remains the standard route to a journeyman licence. Given sustained demand, established Texas electrical contractors increasingly compete on their ability to recruit and retain apprentices, and a company's apprenticeship program size can be a useful signal of its long-term stability and capacity to staff larger commercial projects.

Commercial EV fleet charging

Beyond single-family EV chargers, Texas's logistics and delivery companies are increasingly electrifying commercial fleets, creating demand for electrical contractors experienced in multi-port commercial charging infrastructure, demand-charge management and, in some cases, on-site battery storage to avoid costly utility demand charges. This commercial fleet-charging work requires a different scale of electrical design than a single residential Level 2 charger and is a growing specialty within the broader Texas electrical contracting market, particularly around Houston, Dallas and San Antonio's major logistics corridors.

Panel capacity is a common Texas bottleneck

As Texas homeowners add solar, EV chargers, and larger HVAC systems to homes often built decades ago with modest electrical service, panel capacity has become one of the most common constraints an electrician encounters — many older Texas homes were built with 100-amp service that can't support today's combined electrical loads without an upgrade. A thorough electrical contractor will calculate total connected and demand load before recommending equipment, rather than installing a new circuit and discovering afterward that the panel is already at capacity.

Storm-related demand spikes

Beyond routine work, Texas electrical contractors see sharp demand spikes after major storm events — hurricanes along the Gulf Coast and the occasional winter freeze event statewide — when downed service lines, damaged meter bases and generator hookups all need attention quickly. Established local electrical contractors with permanent crews in a given metro are generally better positioned to respond during these surges than contractors who only travel in after a major event, since permit offices and utilities also get backed up and a contractor with existing relationships can often navigate reconnection faster.

Finally, because Texas electrical permitting and inspection are handled locally rather than by the state, an electrician's familiarity with your specific city's inspector expectations and typical turnaround time can meaningfully affect how quickly a project moves from rough-in to final inspection and occupancy.

Homeowners in fast-growing suburban developments should also confirm whether their electrical contractor has experience with the specific builder or developer's original wiring standards, since production-built subdivisions across Texas sometimes used non-standard panel brands or wiring practices during peak construction years that a general electrician may not immediately recognize.

Browse all electrical contracting companies, compare with electrical contractors in Ontario or electrical contractors in California, or hire adjacent Texas trades — HVAC contractors in Texas, mechanical contractors in Texas and general contractors in Texas.

Frequently asked questions

Do electrical contractors need a licence in Texas?

Yes. Electrical contracting is regulated statewide by TDLR, and a company must employ or be run by a licensed Master Electrician, with journeymen and apprentices working under that master's supervision.

Is the electrical code the same across all Texas cities?

No. Texas doesn't mandate one statewide code; individual cities and counties adopt the National Electrical Code on their own schedule with local amendments, so requirements differ between Houston, Dallas, Austin and San Antonio.

Why is solar-related electrical work growing so fast in Texas?

Texas leads the nation in new solar capacity. Panel upgrades for inverters/battery storage and utility interconnection paperwork (which varies by utility — Austin Energy, CenterPoint, Oncor, etc.) are now routine parts of residential electrical jobs.

Why did backup generator demand rise in Texas?

The February 2021 winter storm caused widespread grid failures, driving sustained demand for standby generators, battery storage and properly sized transfer switches from homeowners wanting backup power.

What electrical work supports Texas's data-center boom?

Large-scale switchgear, medium-voltage distribution and backup power systems for data centers and advanced manufacturing — a different scale of work than residential wiring, requiring arc-flash (NFPA 70E) compliance.

How do I verify a Texas electrician's licence?

Ask for the Master Electrician licence number and confirm it's active using TDLR's public licence-lookup tool before signing a contract.
Q Electric — Electrical
New

Q Electric

Jurnee Mechanical Heating & Air Conditioning — Electrical

Jurnee Mechanical Heating & Air Conditioning

Resilient Power & Plumbing — Electrical

Resilient Power & Plumbing

Security Solar — Solar

Security Solar

Brandon & Clark, Inc. — Electrical

Brandon & Clark, Inc.

Archangel Alarm Services LLC — Electrical

Archangel Alarm Services LLC

Detach Pros — Solar

Detach Pros

Texan Glass & Solar Control — Solar

Texan Glass & Solar Control

Blessed Electric & Air — Electrical

Blessed Electric & Air

Mr Electric Of Dallas — Electrical

Mr Electric Of Dallas

Loading…