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 101–120How results are ordered
101

Riptide Industries

Ontario, CA · (714) 313-5767

CA-CSLB 1056742 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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102

Rjh Management

Claremont, CA · (951) 332-1680

CA-CSLB 1038083 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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104

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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105

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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107

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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108

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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111

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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113

Superior Tank Co Inc

Rancho Cucamonga, CA · (909) 912-0580

CA-CSLB 472119 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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118

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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119

Traffic Control Inc

Montclair, CA · (909) 993-0895

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