Extinmarc installs, inspects, monitors and maintains fire alarm systems and inspects kitchen and industrial fire suppression systems. Its clients include hotels, healthcare facilities, restaurants, retail premises, schools, warehouses, churches, assisted living communities and government buildings. The firm is based in Katy and serves the Houston area, including Conroe, League City, Pearland, Sugar Land and The Woodlands. It is registered with the Texas State Fire Marshal’s Office as a fire alarm contractor (ACR-2948901), and its staff hold NICET certification.