Professional Fire Protection Since 1989
Certified technicians providing installation, inspection, and maintenance of fire protection systems across California.
Our Areas of Expertise
Comprehensive fire protection solutions for all facility types
Fire Sprinkler Services
Full-service fire sprinkler system design, installation, inspection, testing, maintenance, repair, and certification throughout Southern California, ensuring complete NFPA and fire code compliance
Fire Hydrant/Private Service Main Services
Complete fire hydrant services in Southern California, including inspection, flow testing, repair, and installation to ensure reliable performance and full fire code compliance.
Fire Extinguisher Services
Professional fire extinguisher sales, installation, inspection, testing, maintenance, and training services for all facility types throughout Southern California, fully compliant with local and NFPA fire code regulations.
Kitchen Suppression / UL 300 System Services
UL 300 compliant kitchen fire suppression system sales, installation, inspection, and service for commercial kitchens and restaurants, meeting NFPA 17A, NFPA 96, and California fire code requirements.
Shop and Compressed Gas Services
Shop-based Fire Extinguisher and compressed gas services, including CO₂ and nitrogen blend refills, hydrostatic testing, cylinder requalification, and maintenance to ensure code compliance and operational readiness.
Trusted Fire Protection Experts
GNA-Brook Fire Protection has been serving California since 1989. As a family-ownedbusiness, we take pride in providing professional, reliable fire protection services tokeep your facility safe.
Our certified technicians are trained to handle all aspects of fire protection, from installation to maintenance, ensuring your systems are always ready when you need them most.
Licensed & Certified
State Fire Marshal License #E-1528 A and CA Contractor License #782494 C-16
35+ Years Experience
Providing professional fire protection services since 1989
Family Owned
A trusted, family-owned business committed to your safety
24/7 Service
Emergency response and maintenance available around the clock
Authorized Distributors
We partner with industry-leading manufacturers
Protect What Matters Most
Don't wait for an emergency. Ensure your fire protection systems are up to date and fully functional.
