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Our Valued Clients

We've been fortunate to work with hundreds of commercial, industrial, and municipal clients, and have maintained years- or decades-long relationships with many of them. Below you can find a sampling of our most notable clients.

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z

A

  • Ames Construction

  • Atkinson Construction, Caltrans D/B

  • Atkinson / Walsh, J.V.

  • Austin Commercial, L.P.

B

  • Balfour Beatty Infrastructure, Inc.

  • Barton Malow Company

  • Bay Area Rapid Transit (BART)

  • Berloger Geotechnical Consultants

  • Blackhawk GHAD

  • Bond Development

  • Brosamer & Wall, Inc.

  • Bruce Bunnel Builders

  • Build Group, Inc.

C

  • CA Rasmussen

  • Cahill Contractors, Inc.

  • Cal Engineering & Geology Inc.

  • California Transportation Ventures Inc.

  • CalPERS

  • Caltrain (PCJPB)

  • CB&I Environmental & Infrastructure, Inc.

  • CFY Development, Inc.

  • Charles Pankow Builders, LTD.

  • Chumo Construction

  • City and County of San Francisco

  • City of Big Bear Lake

  • City of Laguna Beach

  • City of Long Beach

  • City of Modesto

  • City of San Luis Obispo

  • City of Santa Cruz

  • Clark Construction / Hathaway Dinwiddie Construction Co. JV

  • Clark Construction Group

  • Cleveland Wrecking Company

  • Colonies Crossroads

  • Contra Costa Water District

  • County of Santa Cruz

  • CSI Construction

D

  • D. R. Horton

  • Daley Construction

  • Del Hur Industries

  • DeSilva Gates Construction

  • Devcon Construction, Inc.

  • Diablo Contractors

  • Disney Construction

  • Douglas E. Barnhart, Inc.

  • DPR Construction

  • DT Custom Homes, Inc.

E

  • E. L. Yeager

  • Elite Earthworks & Engineering

  • ENGEO, Inc.

  • Excalibur Excavation, LP

  • Excel Paving Company

F

  • F&H Construction

  • FCI Constructors, Inc.

  • Filanc-GSE JV

  • Flatiron Construction Corp.

  • Excel Paving Company

  • Folsom Light Rail

  • Foothill Transit Construction

  • Frehner Construction

  • Full Power Construction Inc.

  • Future DB International, Inc.

G

  • G&D Construction

  • Genentech

  • GEOCON, Inc.

  • Geotechnical Professionals Inc. (GPI)

  • Ghilotti Construction Company

  • Ghirardelli Chocolate Factory

  • Golden Gate Bridge District

  • Golder & Associates, Inc.

  • Goodfellow Bros./Top Grade Construction

  • Gordon Mountjoy & Assoc, Inc.

  • Gordon N. Ball, Inc.

  • Granite Construction

  • Granite Industrial

  • Graniterock Company, Inc.

  • Greenbriar Homes

  • Greystone Homes

  • Group Delta Consultants

H

  • H.G. Fenton

  • Harper Construction

  • Hazard Construction

  • HDR

  • Home Depot

  • Homestead Community Builders

  • Hoseley Corporation

  • Hushmand Associates, Inc.

I

  • Independent Construction

  • Istar Financial Inc.

J

  • J. Cumby Construction, Inc.

  • J. F. Shea Homes

  • J. Ray Construction

  • J.H. Snyder Co.

  • James Construction Group

  • Jerome & Horner

  • Jim Dobbas, Inc.

  • John Laing Homes

  • John Madonna Construction Co., Inc.

K

  • Kaiser

  • KB Homes

  • KB O'Brien Homes

  • Kiewit Contractors

  • Kleinfielder & Associates, Inc.

  • Kohl's Department Store

  • KPRS Construction

L

  • Ladd & Associates

  • Lawson & Associates Geotechnical

  • Leighton & Associates

  • Lennar Homes

  • Lowe's

M

  • Mactec Engineering & Consulting

  • Maggiora & Ghilotti Construction

  • Marin Catholic High School

  • McCarthy Building Companies, Inc.

  • Meadow Valley Construction

  • Meredith Homes

  • Michael Roberts Construction, Inc.

  • Miller Pacific Engineering Group

  • Mitchell Engineering

  • Modern Building, Inc.

  • Modesto Irrigation District (MID)

  • Monahan Pacific Development

  • Monterey Mechanical Co.

  • Mountain Cascade, Inc.

N

  • Ninyo & Moore

  • Nordby Construction

  • Nordic Industries

  • Numerous private property developers

O

  • O. C. Jones & Sons, Inc.

  • Oakland International Airport (OAK)

  • Oakland Zoo

  • Obayashi Corporation

  • OHL USA, Inc

  • OID - Oakdale Irrigation District

  • Orian Construction General Engineering

  • O'Shaughnessy Dam

P

  • Pacific Gas and Electric (PG&E)

  • Pate Construction Company, Inc.

  • PCL Construction Services, Inc.

  • Peters& Ross, Inc.

  • PKB Construction

  • Port of Oakland

  • Proven Management, Inc.

  • Pulice Construction Co.

  • Pulte Homes

Q

More Clients Added Soon.

R

  • R & L Brosamer, Inc.

  • R. G. W. Construction, Inc.

  • R. M. Harris

  • Raito, Inc.

  • RCI Builders

  • Remick Associates DB

  • Riverside Community College

  • Rogers O’Brien Gilbane LLC

  • Rosch Company

  • Rudolph & Sletten

  • Ryan Engineering

S

  • SMUD- Sacramento Municipal Utility District

  • SAGE, Inc.

  • San Diego Children's Hospital

  • SFPUC - San Francisco Public Utilities Commission

  • San Francisco State University

  • Sema Construction, Inc.

  • Shappel Homes

  • Skanska USA Civil West, California District Inc.

  • Skanska/Traylor JV

  • South Coast Water District

  • Southern California Soil & Testing Inc.

  • Specialty Construction

  • SR Commercial

  • SSC Construction

  • St. Thomas Construction Inc.

  • Standard Pacific Homes

  • State of Arizona Department of Transportation (ADOT)

  • State of California Department of Transportation (Caltrans)

  • State of California Dept. of Parks & Rec

  • State of Nevada Department of Transportation (NDOT)

  • State of Washington Department of Transportation (Wash DOT)

  • State of New York Department of Transportation (NYSDOT)

  • Steelhead Construction

  • Sukut Construction, LLC

  • Swinerton Builders

  • System 3, Inc.

T

  • Taylor Frager Construction

  • TC Construction Company, Inc.

  • Teichert Construction

  • Tetra Tech

  • TFW Construction/Development, Inc.

  • The Lane Construction Corp.

  • Tobo Construction

  • Toll Brothers

  • Turlock Irrigation District (TID)

  • Turner Construction Company

  • Tutor-Saliba

U

  • Union Pacific Railroad (UPRR)

  • University of California at San Diego (UCSD)

  • University of California at San Francisco (UCSF)

  • University of San Diego (USD)

  • URS Corporation

  • USA Properties

V

  • Valentine Corporation

  • Viking Construction Company, Inc.

W

  • Walsh/Shea Corridor Constructors

  • Wareham Development

  • Washington Group Inc.

  • Watt Communities

  • Webcor Builders

  • Wentz Group

  • West Bay Builders

  • Western National Construction

  • Western Pacific Housing

  • Western Summit Constructors Inc.

  • Western Water Constructors

  • Whiting-Turner Contracting Co

  • Whittaker Construction

  • William Lyon Homes

  • Winchester Properties

X

More Clients Added Soon.

Y

  • Yeager Skanska

Z

  • Zachry-Odebrecht Parkway Builders

  • Zane Holdings LLC

  • Zimmerman Construction Co., Inc.

Aquired & Subsidiary Companies

APEX

APEX

 Judy Company

Judy Company

EEGC

EEGC

Substructure

Substructure

DT Mining & Tunneling

DT Mining & Tunneling

Vortex

Vortex

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