Since 1979, Z&S Fire Equipment has been a family-owned company and still is today. We specialize in Fire Prevention System certification in Los Angeles County. We are licensed for Reg 4 Testing in the City of Los Angeles for Wet Sprinkler systems, Alarms, Emergency Lighting, Fire Doors (Closing Assemblies), Fire Escapes, Central Station, and Wet Standpipe (Class II). Ask us about testing Hood Systems or Dry Standpipes. Contact us to receive a quote or make an appointment.