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About Us

Industry Leading Service and Support

Ener-Tel has been providing cutting-edge, but proven technology to our customers since 1984. Today, we are one of the state’s leading security companies and West Texas’ largest. Colleges, school districts, government agencies, private businesses and homeowners trust Ener-Tel for their systems needs. Why? Because we are serious about what we design, install, and service; we employ only the top professionals in our industry; and we love what we do.

Our customers know that Ener-Tel’s service and quality make their lives easier. And we are committed to proving them right, year after year.

When you’re ready to see what Ener-Tel can do for you, let us know.


We started with our main office and warehouse situated on a 2.7 acre fenced lot at 4512 Adobe Drive in San Angelo, Texas. Consisting of over 4,700 square feet of office space and 8,000 square feet of warehouse area.

Now, our office will have a campus like arrangement. The administration and sales department are located on 1911 S. Bryant Blvd., a renovated building that was home to a local, historic structure. Our operations department is located behind our 1911 S. Bryant building, which includes a warehouse, an operations office, a shop, and much more, creating a campus like atmosphere.

We maintain a classroom type facility and regularly schedule customer training classes and product demonstrations.


Ener-Tel has been locally owned and operated in San Angelo, Texas, for over 35 years.

We believe that our best opportunity to win in the marketplace comes by hiring and keeping the best people in the industry. We maintain our technological edge by employing highly-skilled, determined, and motivated professionals who want more than just a job.

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ChevronSul RossSan Angelo ISDGSAStripesShannon Medical CenterCity of San Angelo TexasAngelo State UniversityU.S. Border PatrolFrontier CommunicationsU.S. Customs and Border ProtectionDyess Air Force Base


National Institute for Certification in Engineering Technologies

The National Institute for Certification in Engineering Technologies is highly-recognized association whose mission is to provide an independent evaluation of technical knowledge and experience, through certification, among those working in the fields of engineering technology.

Underwriter Labs

We are UL listed for our fire and security monitoring service, which signifies our dedication to high standards like NFPA 72. We’re serious about what we do, and when it comes to fire and security systems, we do all we can to ensure we’re doing it right.

Associated General Contractors of America

The Associated General Contractors of America is the leading association for the construction industry and serves our nation’s construction professionals by promoting the skill, integrity and responsibility of those who build America.

Better Business Bureau

The Better Business Bureau is a nonprofit organization focused on promoting ethical business practices, leading to an environment where buyers and sellers can operate under a common understanding of trust.

Building Industry Consulting Service International

Building Industry Consulting Service International is a professional association supporting the information technology systems (ITS) industry. BICSI provides information, education and knowledge assessment for individuals and companies in the ITS industry.

National Systems Contractors Association

The National Systems Contractors Association is the leading not-for-profit association representing the commercial electronic systems industry and is a powerful advocate of all who work within the low-voltage industry.

Texas Burglar and Fire Alarm Association

The Texas Burglar and Fire Alarm Association (TBFAA) is a non-profit organization whose mission is to to advance and establish industry standards in the security industry.

Texas Association of Business

The Texas Association of Business is Texas’ leading employer organization whose mission is to improve the Texas business climate and to help make our state’s economy as strong as possible.

Texas Fire Alarm Association

The purposes of TFAA is to develop an educational program for the interpretation and application of applicable codes, standards, and ordinances pertaining to the installation, inspection, testing and servicing of fire detection and alarm systems within the State of Texas.

Color Bar Design Element