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 121–140How results are ordered
121

Demo & Abate Inc

Yorba Linda, CA · (714) 483-1534

CA-CSLB 1089899 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
CallDetails
122

Desatoff Steven G

Rowland Heights, CA · (626) 854-9467

CA-CSLB 946422 · AGeneral engineering contractor
License activechecked Oct 24, 2026
CallDetails
123

Dexore Inc

Brea, CA · (714) 936-9327

CA-CSLB 1077062 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
CallDetails
127

Doctor Rooter Inc

West Covina, CA · (310) 709-4744

CA-CSLB 1051766 · A B +1General engineering contractorGeneral contractorPlumber
License activechecked Oct 24, 2026
CallDetails
128

Doja Inc

Ontario, CA · (909) 628-1999

CA-CSLB 597764 · A B +3General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
CallDetails
129

Driveway Masters Inc

Brea, CA · (714) 773-5555

CA-CSLB 572518 · A B +2General engineering contractorGeneral contractorConcrete contractor+1
License activechecked Oct 24, 2026
CallDetails
130

Drop Mark S Sr

Covina, CA · (918) 713-1112

CA-CSLB 881378 · A B +1General engineering contractorGeneral contractorSpecialty contractor
License activechecked Oct 24, 2026
CallDetails
133

E L M Construction Co

LA Puente, CA · (626) 917-7247

CA-CSLB 901559 · A B +3General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
CallDetails
137

El Karnak Construction Inc

Covina, CA · (626) 926-8046

CA-CSLB 1006171 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
CallDetails
139

Elecnor Hawkeye LLC

Chino, CA · (909) 993-5470

CA-CSLB 1061662 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
CallDetails
140

Elecnor Inc

Chino, CA · (909) 993-5470

CA-CSLB 957710 · A B +1General engineering contractorGeneral contractorElectrician
License activechecked Oct 24, 2026
CallDetails