M. Jacks Fire & Safety Equipment Company inspects, installs, tests and repairs fire sprinkler systems, kitchen suppression systems and industrial fire protection systems, alongside portable extinguisher servicing. It serves commercial and industrial customers in San Antonio, Bexar County and surrounding areas of Texas, with 24-hour same-day service. The company was founded in 1949. It is registered with the Texas State Fire Marshal’s Office as a fire sprinkler contractor (SCR-G-1794199) and a fire alarm contractor (ACR-1313).