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Texas Electronic System Specialists was started in 1998 by three original partners: John Forsythe, Mike Snellgrove and Ramiro Hernandez.  TESS has had a slow and steady growth with balancing the need for more personnel with financial responsibility.  Today we employ 26 full-time employees’ administrative and technical staff. We also draw from our well qualified subcontractors for our installation teams. With our in-house personnel and our subcontractor teams we can service the entire state of Texas, as well as areas of New Mexico, Oklahoma, and Louisiana. All our technical staff and subcontractors have up to date private security licenses from the state of Texas. The majority are also state certified fire alarm technicians. TESS prides ourselves on doing the job correctly, on time, under budget and exceeding our customers’ expectations.  

Today TESS is a factory certified dealer for some of the largest security manufacturers in the world. We are a certified dealer for Bosch Security Systems (, Digital Monitoring Products (DMP) (, AMAG Technology (, and Genetec Security (  We continue to develop and train our workforce on the leading hardware/software and trends within the industry. 

By having multiple relationships with many of the leading manufacturers, TESS can offer the best solution to fit whatever the need is for our clients. Our goal is to stay up to date on the most current security innovations that are in our industry.

TESS specializes in security and fire alarm systems and has designed and installed many alarm systems from basic home systems to more complex multiple zone/area commercial systems. We can handle any job from start to finish, including design, stamping and submitting for code review, to installation and system training.

TESS has designed and installed security and fire alarm systems for many clients including HEB Grocery, United States Secret Service, United States Customs and Border Patrol, United States Social Security Administration, United States Federal Protective Services, Bexar County, Witte Museum, Holdsworth Center, Nordstrom’s Rack and many more. 

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