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.
New Equipment Sales
We provide the sale of fire protection and compressed gas equipment for commercial and industrial applications. All equipment meets applicable DOT, NFPA, and manufacturer standards and is suitable for use in California-regulated environments.
CO₂ System Hydro-Test and Refill
CO₂ fire suppression systems require periodic hydrostatic testing and proper refilling to remain safe and operational. We perform CO₂ system hydro-testing and refills in compliance with DOT, NFPA, and manufacturer requirements before returning systems to service.
Fire Extinguisher Hydro-Test, 6-Year, Annual, and Recharge
We perform all required fire extinguisher services, including annual maintenance, 6-year internal maintenance, hydrostatic testing, and recharging. Services are completed in accordance with NFPA 10, DOT, and California fire code requirements.
CO₂ and Blended Gas Refill
We refill CO₂ and blended gas cylinders used in fire protection and industrial applications. All refills are handled by trained personnel and meet DOT, OSHA, and applicable NFPA standards to ensure safe handling and proper cylinder labeling.
Clean Agent Hydro-Test, 6-Year, Annual, and Recharge
We provide full service for clean agent cylinders, including hydrostatic testing, 6-year maintenance, annual inspections, and recharging. All work follows NFPA standards, manufacturer guidelines, and applicable environmental regulations.
Fire Protection Contractor Services
We support other licensed fire protection contractors with shop services, testing, refills, and equipment support. Services are performed in compliance with state licensing requirements, NFPA standards, and DOT regulations.
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
Ready to Work With Us?
Contact us today to discuss your fire protection needs and get a free quote.
