NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Upland, CA

49 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
02

Rjh Management

Claremont, CA · (951) 332-1680

CA-CSLB 1038083 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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04

Sci

Alta Loma, CA · (909) 981-2700

CA-CSLB 984859 · A B +3General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
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05

Sewer Bee

Rancho Cucamonga, CA · (909) 373-5014

CA-CSLB 1155568 · A B +3General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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07

Sitelogiq Inc

Ontario, CA · (916) 914-1929

CA-CSLB 1054171 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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08

Slater Waterproofing Inc

Montclair, CA · (909) 985-9100

CA-CSLB 373368 · A B +3General engineering contractorGeneral contractorPainter+2
License activechecked Oct 24, 2026
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11

Spec Construction Co Inc

Ontario, CA · (909) 947-4601

CA-CSLB 419626 · A B +11General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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19

Tj's General Engineering Inc

Rancho Cucamonga, CA · (909) 354-7769

CA-CSLB 1056874 · A C12General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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20

Traffic Control Inc

Montclair, CA · (909) 993-0895

CA-CSLB 1114182 · A C31General engineering contractor
License activechecked Oct 24, 2026
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