Who We Are

Detection & Suppression International was founded in 2000 by Christopher B. Ennis, CET and P. Mark Thomasson, SET, CFPS. Over the past 10 years DSI has grown to a staff of over thirty professionals. Management alone has over 160 years of experience in the "Special Hazards" fire protection industry.

DSI's home office is located in Houston, Texas but services customers in the United States from Atlanta, Georgia to Portland, Oregon. DSI also services Central and South America and other international locations.

DSI specializes in fire protection solutions for its clients. Some of the largest and most successful companies in the world have trusted DSI to protect their critical data centers from losses due to fire. Protecting these world-class companies has given us experience and expertise--and we can put that experience and expertise to work for you.

DSI can become your strategic resource for providing solutions that make sense for your business in order to ensure the protection of your facility from fire and/or explosion. We have extensive experience in performing work in critical facility environments such as telecommunication, data processing, and control rooms. Our staff of professionals include NICET certified technicians and designers who have a comprehensive knowledge of the design, installation, and service requirements to properly protect your mission critical facilities.

Services are available from the beginning to the end of a project starting with consulting services in the design stage to installation and certification of the system to preventative maintenance and inspections after the system is complete.