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

United Fiber

Montclair, CA

US-GSA-SAM JU3KHBAUN2X8General engineering contractor
License activechecked Oct 23, 2026
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03

United One Engineering

Rancho Cucamonga, CA · (909) 229-9475

CA-CSLB 1077505 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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04

Varn Development

Alta Loma, CA · (818) 642-4585

CA-CSLB 906370 · A B +1General engineering contractorGeneral contractorPainter
License activechecked Oct 24, 2026
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07

Westland Group Inc

Rancho Cucamonga, CA · (909) 403-5554

CA-CSLB 1152732 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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08

Xpress Concrete Inc

Alta Loma, CA · (800) 822-5574

CA-CSLB 911587 · A C8 +2General engineering contractorConcrete contractorMasonry contractor
License activechecked Oct 24, 2026
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09

Y C D Inc

Rancho Cucamonga, CA · (951) 258-7010

CA-CSLB 1011691 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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10

Yacko Construction Inc

Ontario, CA · (909) 702-5216

CA-CSLB 1012085 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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11

Yacko John

Ontario, CA · (909) 702-5216

CA-CSLB 764923 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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13

Cmb Structures Inc

Rancho Cucamonga, CA

US-GSA-SAM NEQXMN21MRG4General engineering contractor
License activechecked Oct 23, 2026
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14

L'or Constructions Inc

Alta Loma, CA

CA-CSLB 1156094 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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16

A R Engineering

Pomona, CA · (626) 384-6549

CA-CSLB 1108323 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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19

Allen Cayir

Chino, CA · (909) 595-8599

CA-CSLB 646413 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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