NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Diamond Bar, CA

14 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

Labco

Walnut, CA · (951) 402-9090

CA-CSLB 574675 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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02

Le Construction

Walnut, CA · (909) 721-8279

CA-CSLB 474134 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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05

Renowned Engineering

Pomona, CA · (909) 938-2039

CA-CSLB 1154976 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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07

Reyes Construction Inc

Pomona, CA · (909) 622-2259

CA-CSLB 507561 · A B +2General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
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08

Reyes/Larison JV

Pomona, CA · (909) 622-2259

CA-CSLB 1100501 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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09

Rok Power

Pomona, CA · (480) 306-1801

CA-CSLB 1135153 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
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12

Shalc GC Inc

Walnut, CA · (909) 594-9500

CA-CSLB 1062050 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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13

Shea Homes Inc

Walnut, CA · (909) 594-9500

CA-CSLB 672285 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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15

Shea-Skanska JV

Walnut, CA · (909) 594-0990

CA-CSLB 1132623 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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17

Shnc GC Inc

Walnut, CA · (909) 594-9500

CA-CSLB 1060327 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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18

Shsc GC Inc

Walnut, CA · (909) 594-9500

CA-CSLB 1012096 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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19

Sierra Contractors Inc

Pomona, CA · (909) 461-3593

CA-CSLB 1015602 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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20

Sjd&B, Inc

Walnut, CA

US-GSA-SAM C1MSMKYPHKQ3General engineering contractor
License activechecked Oct 23, 2026
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