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

Fire sprinkler contractors in Glendora, CA

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

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519 listingsHow results are ordered
04

Positive Plumbing Inc

Glendora, CA · (626) 444-4607

CA-CSLB 540754 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 19, 2026
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11

Nebshau Inc

Covina, CA · (626) 332-7066

CA-CSLB 1064967 · C16Fire sprinkler contractor
License activechecked Oct 19, 2026
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16

Valley Plumbing

Covina, CA · (661) 809-2903

CA-CSLB 408122 · C4 C16 +1PlumberFire sprinkler contractor
License activechecked Oct 19, 2026
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17

Acer Fire Protection Inc

Montclair, CA · (626) 224-7800

CA-CSLB 1047478 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 19, 2026
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18

Allyn Bruce Plumbing Inc

Pomona, CA · (909) 392-8403

CA-CSLB 245042 · C16 C20 +1Fire sprinkler contractorHeating and air conditioningPlumber
License activechecked Oct 19, 2026
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