STST-service-truckvideo security camera

Old Fashioned Service
Cutting Edge Technology


Affordable Service and Local Customer Care

Although providing superior security solutions is a critical part of a security company’s success, at Security Technology of South Texas Inc., we feel that our strongest asset is our people. With our company philosophy of “Employee First,” we think you’ll find that we have the finest customer care oriented folks anywhere!

All of our customers, regardless of the services we provide to them, benefit from our local monitoring service and our 24/7 customer care center staffed by professionals right here in South Texas. Just give us a call and see the difference, because at Security Technology of South Texas Inc., a person answers the phone, not a computer.

Over 100 years of combined experience

Our experience in the electronic security industry gives us an edge over the competition because our design solution representatives actually engineer the security solutions and are savvy enough within the networking community that we can “speak the language” of our customers’ IT directors and staff while we design our unique solutions. From our sales and design team – to our project managers and installation/service technicians, we have the career professionals to get the job done right!

Statement of Capabilities

With a concentration in network security applications, Security Technology of South Texas, Inc. has successfully completed major integrations for school districts, public entities, Fortune 500 corporations, and more. Our design team is network savvy, and we have significant experience working closely with our customers’ IT departments to accomplish seamless security integrations to the network.

For clients who do not have a complex network – or a network at all – we have the expertise to construct a network to suit your electronic security needs, which can include both wired and wireless applications. Our team is comprised of system engineers, project management professionals, customer care and support, and fast-response service technicians. With over 100 combined years in the security industry, our leadership team stands ready to serve your security needs.


National/International Trade Partners

  • Anixter Worldwide Distribution
  • Acadian Video Monitoring Services
  • Security Partners Advanced Monitoring Solutions
  • ScanSourc
  • FedBizOpps (FBO)

Authorized Integrator Certifications

  • Avigilon Analytics Video
  • CheckVideo
  • Axis Communications, IP Video
  • Paxton Access Control
  • HID Global
  • RSI Video Technologies (Videofied)
  • BRIVO Systems
  • Geovision

Type of Corporation: S Corporation

State License # B18391

Workman’s Compensation Insurance $1M, General Liability Insurance $2M, Maritime Insurance Oil & Gas, $5M Excess Umbrella


Richard Youngman

President and CEO, Richard Youngman, has over thirty years of experience in the electronic security industry. He holds manufacturer certifications in multiple product lines and has experience with some of the finest names in security innovation, with a concentration on cloud-based access control and video technology.

With a strong emphasis on Total Customer Satisfaction, Richard and his team share a passion for going that extra mile to ensure that your experience with Security Technology of South Texas is second to none!

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“Russell” – Our Mascot

Keeping a close watch on
San Antonio & South Texas

Security Technology of South Texas, Inc. is an electronic security technology company with an emphasis on the market area of a 150 mile radius of San Antonio.

We are a design/solution company specializing in video surveillance systems, card access control systems, and video verification commercial alarm systems. Enhanced services include cloud-based video monitoring, live central station video monitoring and response, and cloud-based card access control systems.

Our unique approach to the market with the hosted services allows our commercial customers to get the latest in technology for their security needs without the high cost of local, server-based equipment, thereby making our offering a fraction of what they would pay for a “traditional” security company.

B-18391: State License Number