NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

Fire sprinkler contractors in Montclair, CA

5 licensed fire sprinkler contractors · every license checked against the issuer's file

More cities in California

San Francisco 96Los Angeles 60Glendale 46San Jose 35Bakersfield 30Sacramento 27Anaheim 24Burbank 23Oakland 22San Diego 22Fresno 21Santa Rosa 21Van Nuys 18Irvine 17Riverside 16Santa Ana 16
439 listingsHow results are ordered
03

Liang Weisong

West Covina, CA · (626) 708-1550

CA-CSLB 1040694 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
CallDetails
05

Ortiz Fire

City of Industry, CA · (626) 330-9819

CA-CSLB 906038 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
CallDetails
06

Phoenix Fire

Eastvale, CA · (714) 746-3649

CA-CSLB 933040 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
CallDetails
07

Positive Plumbing Inc

Glendora, CA · (626) 444-4607

CA-CSLB 540754 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
CallDetails
09

R N J Waterworks

Jurupa Valley, CA · (323) 396-9184

CA-CSLB 1133272 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
CallDetails
10

Royaltech Services

LA Puente, CA · (626) 333-0333

CA-CSLB 638729 · A B +6General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
CallDetails
12

Santa Fe Plumbing

Norco, CA · (714) 693-8484

CA-CSLB 751147 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
CallDetails