Diversified Technical Services, Inc. (DTSI) is an established corporation headquartered in San Antonio, Texas. Since 1980, DTSI has been delivering exceptional Information Technology solutions and services for government and commercial customers.

Mission & Values

Our purpose is to provide our customers with effective and efficient solutions to their technical needs and partner with them to accomplish their missions. Our efforts are anchored in DTSI’s many years of experience, our corporate culture of established ethical business practices and a professional working environment for our teammates.

DTSI strives to be the best IT Services provider and business partner to federal agencies as evidenced by our customer feedback.

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“We remain committed to conduct business with integrity, perform services with dedication and ensure delivery of an excellent product.”
Elio Castañuela DTSI Founder


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A CMMI® Level 3 Appraised Organization

A significant strength of our company’s quality control is our long-term commitment to CMMI® and the process control it brings to our services delivery. Since 2010, we have been independently appraised at CMMI-Development Maturity Level 3.

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