Since 1925, Jay L Harman Fire Equipment Co. has provided safety equipment service to customers in a wide variety of markets. These include corporate, commercial, manufacturing, warehouse, education, retail, government, financial, and public markets.

Since its establishment in 1986, JoBird has developed its products to meet the demands of a range of industries and environments. Their Firebird GRP cabinets and Toughstore cabinets are used by clients around the world, including multi-national companies, such as ADNOC, BP, Equinor, Petrobras, Petronas, Premier oil, Shell, Exxon Mobil, Orsted, Tennet, SSE and Total.

KENCO is a top supplier of fire, law enforcement, safety, emergency medical, rescue and homeland security equipment. They also provide fire extinguisher and fire extinguishing system equipment sales and service.

Key Hose, now a division of KFH Industries, was established in 1988 in Miami, Florida. Key specializes in the design and manufacture of hose related to the following industries: Municipal Fire Fighting, Industrial, Military, Marine, Mining, Agricultural, Irrigation, and Forestry applications. Key produces hose to meet NFPA, UL, MSHA, FM, FDA, and MIL‑H‑24606 standards.

Knights and Fire Safety provide mobile on-site fire extinguisher service, inspection, and certification as well as new equipment. The company also service and supply all emergency and exit lighting needs, as well as provide training and safety supplies.

Koorsen Fire & Security provides residential and commercial security solutions. The company's commercial security solutions include: security alarm systems, access control, enterprise-level integrated security, fire alarm monitoring and commercial alarm monitoring.

Kord Fire Protection provides expert fire protection services across Southern California, including Los Angeles County. They specialize in fire extinguisher inspections, maintenance, recharging, and installation. Licensed and certified, they ensure the fire safety systems meet NFPA and local code requirements. Reliable, timely, and compliant fire protection services users can trust.

Kuriyama Europe Coöperatief U.A., part of Kuriyama Holdings, manufactures and distributes thermoplastic and rubber hoses, couplings, and fire equipment for industrial, commercial, and firefighting use. Headquartered in Amsterdam with a distribution center in Barcelona, it serves Europe, Africa, and the Middle East. Its portfolio includes brands such as OROFLEX, TIGERFLEX, KURI TEC, RYLFLEX, and ARMTEX.

Legion Fire Protection is a Fire Sprinkler Company Founded in late 2021. They are a full-service fire protection - handling everything from full installs to service calls.

The Los Angeles Fire Department is a full-spectrum life safety agency protecting more than four million people who live, work and play in America's second largest city.