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C31 C31 Contractors

449 licensed contractors

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40 Traffic & Construction Inc

#992161 · General Engineering, C31 · Anderson

A

A+ Traffic Management Inc

#933435 · C31 · Los Angeles

Aaa Traffic Control

#1119518 · C31 · Long Beach

Absolute Plumbing Inc Dba:absolute Plumbing And Drain

#890248 · General Engineering, General Building, C31, C34, C36 · Martinez

Absolute Traffic Control Llc

#1148901 · C31 · Gardena

Ace Fence Company

#996577 · General Engineering, General Building, C13, C29, C31 · City Of Industry

Acme Safety & Supply Corporation

#791667 · C31, D42 · Santee

Action Traffic Safety

#1091003 · C31 · Garden Grove

John Anthony Adams Ii

#1118516 · C31 · Moreno Valley

Advance Telecom Inc

#1031556 · Low Voltage Systems, C31, C34 · Brentwood

Airx Utility Surveyors Inc

#830790 · General Engineering, C31 · San Marcos

Aj Netcon Llc

#1031414 · Low Voltage Systems, C31 · Camarillo

Alcoa Electrical Contractor Inc

#709600 · General Engineering, C10, C31 · Huntington Beach

Alcoa Traffic Control Inc

#1003022 · General Engineering, C10, C31 · Huntington Beach

Alert-o-lite Inc

#786366 · C31, D42 · Fresno

Alfaro Communications Construction Inc

#912727 · General Engineering, Low Voltage Systems, C10, C27, C31 · Compton

All N 1 Traffic Management

#1097011 · C31 · Pasadena

Allied Traffic And Equipment Rentals Inc

#914168 · C31, C32 · Murrieta

Almendariz Consulting Inc

#979806 · C31 · El Dorado Hills

Alpha Traffic Services Inc

#936627 · C31 · West Covina

American Paving Co

#181430 · General Engineering, General Building, Concrete, C12, C31, Hazardous Substance Removal · Fresno

American Traffic & Safety Inc

#1031758 · C31, D42, D64 · Anderson

American Traffic Force Inc

#1072857 · C31 · Ramona

Anchor Consulting Engineers

#1108106 · General Engineering, General Building, C31 · Winnetka

Anvil Builders Inc

#952883 · General Engineering, ASB, General Building, C10, C27, C31, D49, D63, Hazardous Substance Removal · Emeryville

Anvil Power Inc

#1025528 · General Engineering, ASB, C10, C31, D49 · Emeryville

Anvil Precision Jv

#1150043 · General Engineering, C10, C31 · Emeryville

Ap Traffic Services Inc

#1034119 · C31 · Mather

Arborworks Llc

#879506 · General Engineering, General Building, C31, C49 · Oakhurst

Around The Block Traffic Inc

#1073842 · C31 · Oxnard

Arrow Traffic Control Llc

#1150354 · C31 · Central Point

Ashbritt / Mountain Environmental Joint Venture

#1070888 · General Engineering, C31, D49, Hazardous Substance Removal · Folsom

Asphalt Management & Consulting

#879349 · General Engineering, C31 · Rancho Santa Fe

Associated Traffic Safety Inc

#1048484 · C31, D42 · Atascadero

Ati Traffic Control Llc

#1110157 · C31 · Brentwood

Anvil Builders Inc Dba Atlas Sonoma Tree Surgery

#1107726 · General Engineering, C31, D49 · Emeryville

Anvil Power Inc Dba Atlas Tree Surgery

#1107725 · General Engineering, C31, D49 · Emeryville

Av Iii Inc

#1026584 · Low Voltage Systems, C31 · Antioch

Kellie Avila Construction Services Inc Dba Avila Traffic Safety

#962161 · General Engineering, General Building, C31 · Atascadero

Avison Construction Inc

#823535 · General Engineering, C31 · Madera

Avt Safety Llc

#1141466 · C31 · Sanger

Awp Safety

#975518 · General Engineering, C31, C32, D42 · Santa Ana

Aztec Arbor Care

#990472 · C27, C31, D38, D49 · Lemon Grove

B

B & F Traffic Control Llc

#1111126 · C31 · Bakersfield

B & M Mechanical Services Llc

#1138790 · General Building, C10, C20, C31 · Rancho Cordova

B C Traffic Specialist

#877686 · General Engineering, C31, C32, D42 · Charlotte

B&m Civil Llc

#861848 · General Engineering, General Building, Concrete, C10, C12, C20, C27, C31, C43, C53 · Rancho Cordova

Basin Enterprises Inc

#944823 · General Engineering, General Building, C10, C31, D31 · Red Bluff

Bay - Con Infrastructure

#957819 · General Engineering, C31 · San Mateo

Bay Area Traffic Control

#1034999 · C31 · Crockett

Bbn Services

#1090431 · General Engineering, C31, C32, D42 · Nipomo

Bcent Inc

#880689 · Low Voltage Systems, C31 · Chino

Bear Electrical Solutions Llc

#982079 · General Engineering, C10, C31, D31 · Alviso

Bennali Construction Inc

#1081629 · General Engineering, Low Voltage Systems, C10, C27, C31 · Riverside

Bess Testlab Inc

#817532 · General Engineering, C31, D06, D56 · Hayward

Big Ben Inc

#774444 · General Engineering, General Building, Concrete, C27, C31 · Irvine

Blaine Tech Services Inc

#746684 · C31, Well Drilling · San Jose

The John Blanchard Company Inc

#973897 · C31 · San Marino

William F Bott

#294734 · General Engineering, C31 · Bayside

Bravo Controls

#1134397 · General Engineering, C31 · Live Oak

Steve Bubalo Construction Co

#296169 · General Engineering, C31 · Monrovia

C

C A Pacific Safety Inc

#1060548 · C31 · San Leandro

C C F G Construction

#959915 · General Engineering, C10, C27, C31 · Sonora

C M N Construction

#1022655 · General Building, C31 · Azusa

C3pr Inc

#1104017 · General Engineering, General Building, C31, C32 · San Francisco

Caccia Home Services

#379364 · C10, C31, C34, C36 · Burlingame

Cal - Prime

#893437 · C31 · Manteca

Cal - Safety Inc

#618501 · C31 · Fremont

Cal - Vet Construction Services

#894938 · General Building, C13, C31, C32 · San Jose

Cal Pacific Constructors Inc

#1007772 · General Engineering, General Building, C10, C12, C21, C31, D49 · Riverside

Cal Pacific Curb

#595204 · Concrete, C31 · Salida

Calburton Inc

#1059159 · General Engineering, C31 · Fresno

California Barricade Rentals Inc

#785733 · C31 · Santa Ana

California Traffic Control Services

#958371 · C31 · Long Beach

California Traffic Safety Inc

#1097578 · C31, D42 · Sacramento

Capitol Barricade Inc

#847170 · C31 · Sacramento

Cat Tracking Inc

#991122 · General Engineering, General Building, Concrete, C12, C31, C32 · Riverside

Ccfg Electric

#1149280 · General Engineering, C10, C27, C31 · Sonora

Cecilia's Safety Service Inc

#787634 · C31, D42 · Vista

Cedar Creek Corporation

#1030528 · General Engineering, C10, C12, C31, D49 · Red Bluff

Central Coast Traffic Safety Inc

#1020033 · C31, C32, D42 · Santa Maria

Ceres Forestry

#1037135 · General Engineering, C31, D49, Hazardous Substance Removal · Cameron Park

Certerra Subsurface Imaging Inc

#1077106 · General Engineering, C12, C31 · Rancho Cucamonga

City Rise Llc

#1067575 · C31 · Lodi

City Rise Utility Traffic Control Llc

#1113968 · C31 · Woodbridge

Ckm Pipeline Inspection Services

#703025 · General Engineering, C31, C34 · Temecula

Travis Clausen

#1014963 · General Engineering, C12, C31 · Garden Grove

Cmc Traffic Control Specialists Llc

#792059 · C31 · San Francisco

Co's Traffic Control Inc

#818076 · C31 · San Diego

Cobech Traffic

#1008193 · C31 · San Diego

Coleman Environmental Engineering Inc

#764005 · General Engineering, C21, C31, C49 · Anaheim

Collins Electrical Company Inc

#115427 · General Engineering, General Building, C10, C31 · Stockton

Community Tree Service Llc

#1100816 · General Engineering, ASB, C21, C31, D49, Hazardous Substance Removal · Royal Oaks

Con-quest Contractors Inc

#818668 · General Engineering, General Building, C31, Well Drilling, Hazardous Substance Removal · Burlingame

Cooper Energy Services Inc

#1098896 · General Engineering, C10, C31, Hazardous Substance Removal · Shingle Springs

Core Resource Services Llc

#1122300 · General Engineering, C31 · Corona

Core Tree Care Inc

#1019983 · General Building, C31, C49, D49 · Corona

Covarrubias Traffic Control

#1081470 · C31, D42 · Moreno Valley

Coyote Gulch Enterprises

#1076316 · General Engineering, General Building, C12, C31 · Carmel

The Crane Guys

#967520 · C31, D21 · Los Alamitos

J Fletcher Creamer & Son Inc

#587920 · General Engineering, C10, C31 · Hackensack

Crew Inc

#696291 · General Engineering, C12, C21, C31 · Rancho Dominguez

Crosetti Excavation, Inc

#1150162 · General Engineering, C12, C13, C31, C34, C42, Well Drilling, Hazardous Substance Removal · Ukiah

Currier Contracting

#957808 · General Engineering, C31, D42 · Redding

Custom Landscapes

#965214 · C21, C27, C31, D49 · Berkeley

D

D & M Traffic Services Inc

#806715 · C31, C32, D42 · Santa Clara

D C Electric Group Inc

#949934 · General Engineering, General Building, C10, C31, D31 · Cotati

D G E Inc

#556405 · General Engineering, C31 · Lake Havasu City

Dr Traffic Control Llc

#1099211 · C31 · San Francisco

Danielson Construction Inc

#575907 · General Engineering, C31, Hazardous Substance Removal · Eureka

Dars Cox Construction Inc

#1063607 · General Engineering, C31 · Redding

Davey Tree Surgery Company

#1065489 · C27, C31, C49, D31, D49 · Livermore

Dawson-mauldin Llc

#1042654 · General Engineering, C31 · Selma

Dc Traffic Control

#1015478 · C31 · Cerritos

Rafael De La Cruz

#1119735 · C31 · Fremont

De Silva Gates Construction

#704195 · General Engineering, C12, C31 · Dublin

De Silva Gates Construction - Myers A Joint Venture

#1100766 · General Engineering, General Building, Concrete, C12, C31, C32, C34 · Dublin

Delatorre Traffic Control

#1131352 · C31 · Escalon

Demakas Plumbing & Heating Inc

#349523 · Boiler, Hot Water Heating, C16, C20, C31, C36, D16 · San Francisco

Richard Devinney

#1042295 · C31 · Anaheim

Dhatt Inc

#1132197 · General Engineering, C31 · Yuba City

Kenny Doelker Backhoe Service Inc

#1106997 · General Engineering, C31, D49 · Palo Cedro

Donahoo Inc

#860066 · General Engineering, C31 · Ukiah

Dori Engineering Inc

#1015483 · General Engineering, General Building, C31 · Redondo Beach

Doulos Environmental Inc

#730042 · General Building, C31, Well Drilling · Orangevale

Downstream Services Inc

#807953 · General Engineering, C31, Hazardous Substance Removal · Escondido

Drake Traffic Control Services Inc

#1065819 · C31 · Orange

Dts California Llc

#1134151 · C27, C31, C49, D31 · Kent

Dudleys' Excavating Incorporated

#694077 · General Engineering, Low Voltage Systems, C31 · Gerber

Duff Co

#742203 · General Engineering, C31 · Ione

E

Eeger Beever Tree Service Inc

#1001545 · C31, D49 · Fort Bragg

Endeavor Wireless Construction Inc

#1088304 · General Building, Low Voltage Systems, C10, C31 · Rancho Cordova

Environmental & Demolition Services Group

#1004040 · General Engineering, C21, C31, D49, Hazardous Substance Removal · Brooklyn Park

Exaro Technologies Corporation

#860376 · General Engineering, C10, C31, Well Drilling, Hazardous Substance Removal · Burlingame

Excel Paving Company

#688659 · General Engineering, C12, C31 · Long Beach

Express Energy Services Inc

#719566 · C10, C31 · Los Alamitos

Express Sewer & Drain Inc

#882660 · General Engineering, C31, C36, C42 · Rancho Cordova

F

F J S Cable Engineering Inc

#750140 · Low Voltage Systems, C31 · Westminster

Faith Electric Llc

#976648 · General Engineering, C10, C31 · Redlands

Fame Legacy

#876522 · General Engineering, General Building, C31 · Winnetka

Farwest Safety Inc

#523187 · General Engineering, C31, C32, D42 · Lodi

Fibertel Ca Llc

#1111985 · General Engineering, C10, C31 · Springville

Flash Traffic Inc

#963168 · C31 · Santa Clarita

Flux Transportation Management Llc

#1142132 · C31 · Montclair

Fontenoy Engineering

#981726 · General Engineering, C27, C31 · San Francisco

Force Traffic Control Inc

#790502 · C31 · Exeter

Fraser Traffic Safety

#1138470 · C31 · Escondido

Freitag Traffic Control

#994067 · C31 · Bakersfield

Frontline Traffic Control

#1093118 · C31, D42 · Lake Elsinore

Fryman Management Inc

#1007017 · C31, D42 · Chino

Full Traffic Maintenance Inc

#780910 · General Engineering, C31, D42 · Corona

G

Garcia Paving Inc

#1071005 · General Engineering, C12, C31 · Fresno

Gass Trucking Lp Dba Gass Services

#1099379 · General Engineering, General Building, C31 · Emeryville

Gen Con Enviro Serv Group

#598068 · General Engineering, ASB, General Building, C12, C21, C22, C31, Hazardous Substance Removal · Apple Valley

Genuine Engineering Inc

#1039391 · General Engineering, Concrete, C31 · Corona

Geocal Environmental Management & Landscaping

#1025834 · C27, C31, D49 · Chula Vista

Ghilotti Bros Inc

#132128 · General Engineering, Concrete, C12, C21, C31, C32, C42, Hazardous Substance Removal · San Rafael

Global Customer Services Inc

#1084273 · General Engineering, C31 · Corona

Gmz Engineering Inc

#967627 · General Engineering, General Building, Concrete, C10, C12, C31, C34, C36, C42 · Westlake Village

Golden Bay Construction Inc

#451401 · General Engineering, General Building, Concrete, C10, C12, C31 · Hayward

Golden State Striping & Signs

#836173 · C31, C32, D42 · Reno

Golden State Traffic Planning Inc

#1029156 · C31 · Placerville

Goldstar Traffic

#1145607 · C31 · Rancho Cucamonga

Granite - Griffith A Joint Venture

#1112031 · General Engineering, General Building, Insulation & Acoustical, Concrete, C10, C12, C21, C27, C29, C31, C35, C36, C39, C42, C45, C50, C51, Well Drilling · Watsonville

Granite Construction Company

#89 · General Engineering, General Building, Insulation & Acoustical, Concrete, C10, C12, C21, C27, C29, C31, C35, C36, C39, C42, C45, C50, C51, Well Drilling, Hazardous Substance Removal · Watsonville

Greentek

#1065207 · C27, C31, C49, D49 · Oroville

Greentek Inc

#1114183 · C27, C31, D49 · Oroville

Gregg Electric Inc

#201042 · General Engineering, C10, C31 · Ontario

Gridlock Sign & Safety Solutions

#1069303 · C31, D42 · Poway

Griffith Company

#88 · General Engineering, General Building, Concrete, C12, C21, C22, C27, C31, Hazardous Substance Removal · Brea

Griffith-atkinson Jv

#1067118 · General Engineering, General Building, Concrete, C12, C27, C31, Hazardous Substance Removal · Brea

Ground Control Inc

#1046787 · General Engineering, C21, C27, C31, D49, Hazardous Substance Removal · San Francisco

Guardian Traffic Solutions Llc

#1121588 · C31 · Long Beach

Gwas

#955608 · C27, C31, C49, D49, D59 · Pomona

H

Hampton Tedder Electric Commercial

#1146693 · General Engineering, C10, C31, D31 · Montclair

Hampton Tedder Electric Company

#288589 · General Engineering, C10, C31, D31 · Montclair

Hampton Tedder Technical Services Inc

#961649 · General Engineering, C10, C31 · Montclair

Hazard Cm Engr Llc

#1039495 · General Engineering, C31 · Lakeside

Hazard Construction

#750542 · General Engineering, C31 · Lakeside

Hazard Construction Engr Llc

#1038899 · General Engineering, C31 · Lakeside

Heir & Son Construction Inc

#920906 · General Engineering, C31 · Yuba City

Tristan Heiss

#1078153 · C31 · Buena Park

Hernandez Engineering

#756488 · General Engineering, C31 · San Francisco

Hhs Construction Llc

#818906 · General Engineering, General Building, Low Voltage Systems, C10, C31 · Ontario

Hi - Way Safety Rentals Inc

#934148 · General Engineering, C31, C32 · Chino

Highway Specialty Company Inc

#1003147 · General Engineering, C13, C31, C32, D42 · Palo Cedro

Hilltop Tree Service

#685530 · C31, D49 · Placerville

Hmh Joint Venture

#1133502 · General Engineering, General Building, C21, C27, C31, Hazardous Substance Removal · Oakland

Horizon Traffic Management Llc

#1149675 · C31 · Sacramento

Hoseley Corporation

#1000494 · General Engineering, C27, C31, Hazardous Substance Removal · San Francisco

Hot Line Construction Inc

#710855 · General Engineering, C10, C31, D31 · Brentwood

Lee Howard Construction Company

#280777 · General Engineering, C12, C13, C31, C34, C42, Well Drilling, Hazardous Substance Removal · Ukiah

Hp Communications Inc

#752762 · General Engineering, Low Voltage Systems, C10, C31 · Corona

Hudson Safe - T - Lite Rentals

#788289 · C31, D42 · El Cajon

Hunsaker Safety & Sign Inc

#980750 · C31, D42 · Fresno

Hylan West Inc

#1017530 · General Engineering, C31 · Holmdel

I

In - Line Construction Inc

#769516 · C13, C31, C51 · Ramona

Independent Structures Inc

#951126 · General Engineering, C31, C32, D30, D42 · Redding

Infrastructure Traffic Services Llc

#1115203 · C31, D42 · Long Beach

Insight Traffic Control Specialist Inc

#1135991 · C31 · Imperial

Interindustry Solutions Traffic Inc

#1132750 · General Engineering, C31, C32, D42 · Lawndale

International Environmental Corporation

#499540 · C27, C31, C49 · Panorama City

Intersafe Traffic Services Inc

#1080644 · C31 · Santa Rosa

Interstate Civil Construction

#1074144 · General Engineering, General Building, C31, C32, Well Drilling, D38 · Wrightwood

Irish Construction

#97962 · General Engineering, C10, C31 · Rosemead

Irish Electric

#560131 · General Engineering, General Building, Low Voltage Systems, C10, C31 · Tulare

Iron Path Corp

#1149144 · General Engineering, General Building, Low Voltage Systems, Concrete, C10, C12, C21, C27, C31 · Corona

J

J C L Traffic Services

#805357 · C31 · Montebello

J F L Electric Inc

#578969 · General Engineering, General Building, C10, C31, C36 · Los Angeles

Javelin Communications

#1027588 · Low Voltage Systems, C31 · Springfield

Jda Worldwide Llc

#1148629 · C31 · Vista

Jerry's Trenching Service Inc

#228083 · General Engineering, Low Voltage Systems, C10, C12, C31, C34 · Fresno

Jkt Traffic Control And Rentals

#1109413 · C31 · El Cajon

Jpro Traffic Control

#1130125 · C31 · San Diego

Jz Contracting Inc Dba Jz Contracting And Engineering

#1048097 · General Engineering, General Building, C31 · Eureka

K

Kpa Constructors Inc

#1027883 · General Engineering, C10, C31, C32 · Pasadena

Katch General And Katch

#933096 · General Engineering, ASB, General Building, C21, C22, C31, C39, Well Drilling, Hazardous Substance Removal · Fresno

Kaylen Traffic Control

#816110 · General Engineering, C31, C42 · Friant

Kern Asphalt Paving & Sealing Co Inc

#812686 · General Engineering, Concrete, C12, C21, C31 · Bakersfield

Kiewit Infrastructure West Co

#433176 · General Engineering, General Building, C10, C31, C36, Hazardous Substance Removal · Omaha

Kiewit Shea Traylor A Joint Venture

#1087601 · General Engineering, General Building, C10, C31, C36 · Omaha

Kiewit-parsons A Jv

#1041268 · General Engineering, General Building, C10, C31 · Omaha

Kiewit-shea Ii A Joint Venture

#1058053 · General Engineering, General Building, C10, C31 · Omaha

Kiewit-traylor Jv

#1146749 · General Engineering, General Building, C10, C31, C36 · Omaha

Krc Safety Co Inc

#507950 · General Engineering, C31 · Visalia

Kudu Equipment & Repair Inc

#1149174 · General Building, C31, C32, D06, D31, D38, D42, D64 · Orange

L

Lane Takers Inc

#1075115 · C31 · Merced

Larry Jacinto Construction Inc

#458118 · General Engineering, C31 · Mentone

Lasar Underground Construction Inc

#614677 · General Engineering, C31 · Fresno

Ldh Services Llc

#1140097 · General Engineering, C10, C31 · Torrance

Loop Electric Inc

#496032 · General Engineering, C10, C31 · Bakersfield

Lucchetti Excavating

#777617 · General Engineering, C31 · Ukiah

Lyles Utility Construction Llc

#981146 · General Engineering, C31 · Fresno

M

M A Steiner Construction Inc

#556838 · General Engineering, General Building, C10, C31, Hazardous Substance Removal · Orangevale

M C C Equipment Rentals Inc

#819356 · General Engineering, C12, C31, C34, C42 · Yucaipa

Mco Engineering

#986437 · General Engineering, General Building, C31, C51 · San Francisco

M P G Roadworks

#974898 · General Engineering, C31 · Garden Grove

Maggard Striping Inc

#1032622 · C31, C32 · Santa Fe Springs

Mallard Construction Inc

#826607 · ASB, General Building, C31, C32, C39, D38, D42, D64 · Orange

Maneri Traffic Control Inc

#1017741 · C13, C31, D42 · Fallbrook

Marinship Development Interest Llc

#1013885 · General Engineering, General Building, C31, Hazardous Substance Removal · San Francisco

Mariposa Landscapes Inc

#592268 · General Engineering, C27, C31, C49, D49 · Irwindale

Mariposa Tree Management Inc

#1061455 · General Engineering, C27, C31, C49, D49 · Irwindale

Martinez Excavating

#855861 · General Engineering, General Building, Concrete, C12, C21, C31, C53, Hazardous Substance Removal · Sylmar

Maxsim Inc

#1064525 · C31 · Livermore

Mc Guire And Hester

#95879 · General Engineering, General Building, C21, C27, C31, Hazardous Substance Removal · Oakland

Mcguire And Hester - Power Engineering Construction Company

#1129563 · General Engineering, General Building, C21, C27, C31, Hazardous Substance Removal · Oakland

Mcw Traffic Control

#1038244 · C31, D42 · Redding

Mendoza Traffic Control

#1073124 · C31, D42 · Fallbrook

Mesa Traffic Services

#1078789 · C27, C31 · Rosamond