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

#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

Middle Mile Constructors Jv

#1096976 · General Engineering, General Building, Concrete, C10, C12, C27, C31, Hazardous Substance Removal · Brea

Mission Constructors Inc

#973263 · General Engineering, General Building, C31 · San Francisco

Mitchell Engineering

#754676 · General Engineering, General Building, C10, C31, C36, Hazardous Substance Removal · San Francisco

Mjb Power

#1074203 · General Engineering, C10, C31 · Palos Verdes Estates

Eric Mollno

#853808 · C31 · South Pasadena

Mountain F Enterprises Inc

#842929 · General Engineering, C31, C49, D49 · Folsom

Myers & Sons Construction Llc

#1033752 · General Engineering, General Building, Concrete, C12, C31, C32, C34 · Pico Rivera

Myers & Sons Hi - Way Safety Inc

#785683 · General Engineering, C31, C32 · Chino

N

N T K Construction Inc

#851273 · General Engineering, General Building, C31, C36, Hazardous Substance Removal · San Francisco

N V Communication

#1030718 · General Building, Low Voltage Systems, C10, C31 · Gardnerville

National Development Capitol

#978306 · General Engineering, General Building, C31 · Fremont

National Traffic Solutions Inc

#1110379 · C31 · Lancaster

National Trench Safety Traffic Solutions

#787313 · C31, D42 · Houston

National Wildfire Protection Service

#1058288 · C21, C31, D49, Hazardous Substance Removal · Lancaster

Newvista Inc

#1065102 · C31, C49, D49 · San Jose

Nico Engineering Inc

#1118464 · General Engineering, C31, Hazardous Substance Removal · San Pablo

Nl Builders Inc

#847534 · General Engineering, Low Voltage Systems, C31 · Red Bluff

North County Traffic Control Inc

#1063855 · C31 · Valley Center

O

O C & C Construction

#915121 · General Engineering, General Building, C31 · Orange

Michael O'shaughnessy Construction Inc

#984235 · General Engineering, C31 · San Francisco

Oc3 Construction & Consulting Inc

#1114486 · General Engineering, General Building, C31, C36 · San Miguel

Ok Traffic Control Inc

#1121300 · C31 · Pacoima

On Point Traffic Managment Inc

#1128866 · C31 · Lake Elsinore

Optimum Inc

#817291 · General Engineering, Low Voltage Systems, C31 · Bloomington

Orange Traffic Control Inc

#1141381 · C31 · Lake Elsinore

Eric Othman

#1110509 · General Engineering, C10, C31, C36 · Stanton

Outsource

#968395 · General Engineering, C10, C31, D31 · Artesia

P

P T M General Engineering Services Inc

#891265 · General Engineering, General Building, Low Voltage Systems, Concrete, C10, C13, C27, C31, C32, C45, D09, D42, Hazardous Substance Removal · Riverside

Pacific Tech Communications Inc

#1134517 · General Engineering, Low Voltage Systems, C10, C31 · Gold River

Pacific Traffic Control Llc

#1122123 · C31 · Los Angeles

Pacific Utility Construction

#766806 · General Engineering, C31 · Woodland

Pari & Gershon Incorporated

#950456 · General Engineering, ASB, General Building, C10, C16, C21, C31, C33, Hazardous Substance Removal · Turlock

Parkia Inc

#966453 · General Engineering, General Building, C10, C31, D31 · Santa Fe Springs

Pathfinder Drx Llc

#1110362 · C31, C49 · Oroville

John B Patrick

#746290 · General Engineering, C10, C31 · Yuba City

Patriot Construction Services Inc

#977410 · General Engineering, C31 · El Dorado Hills

Paulson Excavating Inc

#425362 · General Engineering, C31, Hazardous Substance Removal · Albion

Penisula Traffic Solutions Inc

#1092081 · General Engineering, C31 · Santa Cruz

Karl Raymond Percell Ii

#1024205 · General Engineering, C10, C31, C32 · Glendale

Phoenix Traffic Management Inc

#1099826 · C31 · San Bernardino

Planneng

#1088168 · C31 · Sacramento

Plum Tree Clearing Inc

#1093945 · C31 · Chula Vista

S Porter Inc

#913143 · General Engineering, C12, C21, C31, D49 · Big Bear Lake

Power Safety Service Llc

#1128161 · General Engineering, C31 · Lodi

Pro Energy Services Group Llc

#1056379 · General Building, C10, C12, C27, C31 · Ramona

Pro Traffic Services Inc

#974979 · C31 · Ramona

Arboricultural Specialties Inc Dba The Professional Tree Care Co

#676952 · C21, C27, C31, C49, D49 · Berkeley

Q

Quality Telecom Consultants Inc Dba Qtc Inc

#814859 · General Engineering, General Building, C10, C31, C51, C60 · Rocklin

Queue Signs And Safety

#985618 · C31, D42 · Palo Cedro

R

R I S Electrical Contractors Inc

#712468 · General Building, C10, C31 · Riverside

R P Barricade Inc

#785673 · C31 · Newbury Park

R T L Traffic Control And Equipment Rental

#1004071 · C31 · El Cajon

Rx Lodge

#1082749 · General Engineering, General Building, Concrete, C31, Hazardous Substance Removal · Granite Bay

R&s Paving Inc

#1086495 · C12, C31 · Hayward

Rader Excavating Inc

#891588 · General Engineering, C31, D42 · Palo Cedro

Ranger Pipelines Inc & Cts Jv

#1143222 · General Engineering, General Building, Boiler, Hot Water Heating, C31, Hazardous Substance Removal · San Francisco

Ranger Pipelines Incorporated

#417996 · General Engineering, General Building, Boiler, Hot Water Heating, C31, Hazardous Substance Removal · San Francisco

Ranger/liffey Jv

#1079350 · General Engineering, Boiler, Hot Water Heating, C10, C31, Hazardous Substance Removal · San Francisco

Rapid Services Llc Dba Rapid Grading Services

#1101213 · General Engineering, C12, C31, Hazardous Substance Removal · Hayward

Rasmussen / Vanguard

#1024634 · General Engineering, ASB, General Building, C31, Hazardous Substance Removal · Valencia

C A Rasmussen Inc

#254681 · General Engineering, General Building, C31 · Valencia

Rcr Traffic Specialist

#1133002 · General Building, C31, C32, D06, D31, D38, D42, D64 · Orange

Rcs Safety Llc

#984499 · C31 · Montebello

Rcss Inc

#1139024 · General Engineering, C10, C31 · Corona

Red Sky Asphalt Services Inc

#1048669 · C31, C32, D06 · Shasta Lake

Reliable Tree Experts Inc

#1083768 · C21, C27, C31, D49 · Berkeley

Rhino Construction

#1084045 · General Engineering, C31 · Sacramento

Right Of Way Inc

#792675 · C31 · San Dimas

Right Traffic

#1135096 · C31 · Carmichael

Rincon Traffic Control Llc

#1077676 · C31 · Oxnard

Road - Tech Safety Services Inc

#796857 · C31 · Shingle Springs

Road Safety Inc

#926660 · C31 · Rocklin

Roadrunners Traffic Control Inc

#1136927 · C31, D42 · Riverside

Roadsafe Traffic Systems Inc

#930960 · General Engineering, C31 · Chicago

Robinson Rancheria General Engineering

#1103362 · General Engineering, C31, Hazardous Substance Removal · Nice

Roll'n Rock Construction Inc

#971838 · General Engineering, C31, D49 · Mt Shasta

Route 101 Safety Inc

#1025559 · C31 · Oxnard

Rrf Tree Service

#1048779 · C21, C27, C31, C49, D49 · Hollister

S

S A S Constructions

#1127847 · General Engineering, General Building, C10, C31 · Santa Ana

S C Dvbe Inc

#1078349 · ASB, General Building, C31, C32, C39, D38, D42, D64 · Imperial

S T Rhoades Construction Incorporated

#930684 · General Engineering, C31 · Redding

Sts Traffic Solutions Llc

#1098860 · C31 · Sacramento

Safe - T - Lite Of Modesto Inc

#788082 · C31 · Modesto

Safe Cone Zone Inc

#1047919 · C31 · Hayward

Safe Roads Dvbe

#1096205 · General Engineering, C31, C32 · Palo Cedro

Safety Network Inc

#787285 · C31, D42 · Fresno

Safety Network Traffic Control Services Inc

#999426 · C31, D42 · Fresno

Safety Network Traffic Safety & Signs, Inc.

#1001569 · C31, D42 · Fresno

Safety Traffic And Resources

#787174 · General Building, C31 · Napa

Sancon Technologies

#1030053 · General Engineering, C31 · Houston

Jorge R Sandoval

#1057577 · C27, C31, C49 · Panorama City

Santamaria Concrete Inc

#1009454 · Concrete, C12, C27, C31 · San Jose

Sapper West Inc

#939685 · General Engineering, General Building, C31 · Fair Oaks

Sd Traffic Control Services Inc

#1130869 · C31, D42 · El Cajon

Segu Incorporated

#992622 · C31 · Fontana

Sequoia Traffic Service

#789239 · C31 · Chowchilla

Serafix Engineering Contractors Inc

#1019229 · General Engineering, General Building, C10, C31, Hazardous Substance Removal · San Ramon

Sierra Barricade Service Inc

#1002306 · C31 · Somis

Sierra Traffic Service Inc

#829791 · C31 · Somis

Sign Max

#997336 · C31, D42 · Fresno

Site Safe Traffic Safety And Signs

#999965 · C31, D42 · Vacaville

Site Safe Traffic Support

#1125262 · C31, D42 · Vacaville

Sjl Construction Inc

#935421 · General Engineering, C31, Hazardous Substance Removal · Ferndale

Skuza Interiors Inc

#1023085 · General Engineering, General Building, C31 · Fremont

Smartech Communications

#837139 · General Engineering, Low Voltage Systems, C10, C31, D49 · Gardena

Smci

#885550 · General Engineering, C21, C31, D49, Hazardous Substance Removal · Sonora

So Cal Elite Traffic

#974016 · C31 · Ramona

So Cal Traffic Inc

#972211 · C31, D42 · Vista

South Bay Telecom Inc

#1043285 · General Engineering, Low Voltage Systems, C31 · San Jose

Southern California Barricades Inc

#1101024 · General Engineering, C31, Hazardous Substance Removal · Long Beach

Southland Paving Inc

#451191 · General Engineering, C12, C31 · Escondido

Southwest Infrastructure Inc

#1141220 · General Engineering, C31, C34 · Temecula

Sprouse Communications Inc

#724810 · General Engineering, Low Voltage Systems, C31 · Paso Robles

Stacy Witbeck / Mcguire And Hester A Joint Venture

#1133082 · General Engineering, General Building, C21, C27, C31 · Alameda

Sterndahl Enterprises Llc

#421823 · General Engineering, C31, C32 · Sun Valley

Stop & Go Traffic Control

#899974 · General Engineering, C31 · Rio Dell

Straight Arrow Traffic Control Inc

#1060624 · C31 · Riverside

Streetcal Enterprises

#1056793 · C31 · Oxnard

Studebaker Electric Inc

#957296 · General Engineering, General Building, C10, C31 · Loomis

Sturgeon Electric California Llc

#1009619 · General Engineering, C10, C31 · Chino

Sullivan Security Communications Inc

#1082173 · General Building, Low Voltage Systems, C10, C31 · Sacramento

Sun Communications Inc

#1030609 · General Engineering, Low Voltage Systems, C31 · Sacramento

G R Sundberg Inc

#732695 · General Engineering, ASB, C12, C31, C32, Hazardous Substance Removal · Arcata

Superior Barricades Llc

#1068044 · C12, C31 · Escalon

Superior Pavement Markings Llc

#1141887 · C31, C32, D38, D42 · Cypress

X

Xodus Traffic Inc

#1093480 · C31 · Sacramento

Z

Zone Traffic Control

#1068600 · General Engineering, C31, D49, Hazardous Substance Removal · Sarasota