NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Ontario, CA

63 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

B & D Construction Co Inc

Upland, CA · (909) 949-0360

CA-CSLB 776709 · A C21 +1General engineering contractorExcavation, grading and pavingAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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03

B V Construction Inc

Upland, CA · (909) 949-0360

CA-CSLB 862134 · A C21General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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04

Barza Construction Inc

Pomona, CA · (909) 562-1117

CA-CSLB 1053906 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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05

Bcent Inc

Chino, CA · (909) 704-4929

CA-CSLB 880689 · C7 C31ElectricianGeneral engineering contractor
License activechecked Oct 24, 2026
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06

Becerra Santiago Lemos

Fontana, CA · (909) 823-1971

CA-CSLB 543600 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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07

Beck Jeremy Contracting

Norco, CA · (714) 336-2586

CA-CSLB 985294 · A D06 +1General engineering contractorConcrete contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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08

Benson Mark a

Corona, CA · (562) 762-7370

CA-CSLB 965379 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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09

Bertagna Lee and Smith Inc

Norco, CA · (951) 520-3332

CA-CSLB 1018596 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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11

Big Sky Electric Inc

Upland, CA · (909) 694-0432

CA-CSLB 925689 · A C10General engineering contractorElectrician
License activechecked Oct 24, 2026
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12

Bionki a D Inc

Pomona, CA · (909) 740-4056

CA-CSLB 982320 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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13

Bjs Construction Co Inc

Jurupa Valley, CA · (909) 702-6551

CA-CSLB 1125469 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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17

Born Construction Inc

Rancho Cucamonga, CA · (909) 732-3132

CA-CSLB 490869 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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18

Braeger Construction Inc

Upland, CA · (909) 621-4795

CA-CSLB 290219 · A B +1General engineering contractorGeneral contractorLandscaper
License activechecked Oct 24, 2026
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19

Bryant George

Alta Loma, CA · (909) 944-3517

CA-CSLB 421278 · A B +2General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
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20

Bryant George Construction Inc

Alta Loma, CA · (909) 944-3517

CA-CSLB 718466 · A ASB +6General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
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