NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Diamond Bar, CA

14 licensed general engineering contractors · every license checked against the issuer's file

More cities in California

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
Listings 1–20How results are ordered
01

Buildpro

Glendora, CA · (626) 803-6717

CA-CSLB 1138536 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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02

Burk Allen Inc

Brea, CA · (714) 606-8876

CA-CSLB 1061113 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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05

C D B Enterprises

Hacienda Heights, CA · (626) 536-1184

CA-CSLB 653812 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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07

C P Construction Co Inc

Ontario, CA · (909) 981-1091

CA-CSLB 304795 · A C12 +2General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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10

Caliagua Inc

Fullerton, CA · (866) 416-4214

CA-CSLB 359728 · A B +2General engineering contractorGeneral contractorPlumber
License activechecked Oct 24, 2026
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14

California Waters

Yorba Linda, CA · (949) 528-0900

CA-CSLB 958960 · A C53 +3General engineering contractorSwimming pool contractorConcrete contractor+1
License activechecked Oct 24, 2026
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15

Calpak Landscape Inc

LA Habra, CA · (626) 965-8445

CA-CSLB 698090 · A B +2General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
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