NAICS 238110 · Poured Concrete Foundation and Structure Contractors

Concrete contractors in Ontario, CA

36 licensed concrete contractors · every license checked against the issuer's file

More cities in California

San Jose 165Bakersfield 147Sacramento 129San Diego 118Riverside 101Fresno 97Los Angeles 83Escondido 75Anaheim 67Santa Rosa 64Orange 57Stockton 55San Francisco 52Simi Valley 52El Cajon 50Corona 46
1,192 listingsHow results are ordered
123

J D C Concrete LLC

Upland, CA · (909) 624-9000

CA-CSLB 894245 · C8 C29Concrete contractorMasonry contractor
License activechecked Oct 24, 2026
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124

J M Concrete

Fontana, CA · (909) 371-4746

CA-CSLB 1134865 · C8Concrete contractor
License activechecked Oct 24, 2026
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127

Jbl Concrete Inc

Riverside, CA · (951) 522-4321

CA-CSLB 1152029 · C8Concrete contractor
License activechecked Oct 24, 2026
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130

Jmv Concrete Inc

Upland, CA · (626) 392-3618

CA-CSLB 1120275 · B2 C8Home remodelerConcrete contractor
License activechecked Oct 24, 2026
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133

Jonescape Inc

Upland, CA · (909) 625-4988

CA-CSLB 577673 · C8 C27 +1Concrete contractorLandscaperMasonry contractor
License activechecked Oct 24, 2026
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138

Lifestyle Landscapes Inc

Upland, CA · (909) 476-5900

CA-CSLB 758573 · A B +4General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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140

Lt Concrete

Riverside, CA · (562) 219-6493

CA-CSLB 1114268 · C8Concrete contractor
License activechecked Oct 24, 2026
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