Who We Serve
Over our five decades in business, GMU has forged long-term relationships with clients large and small. We have worked with the most prominent names in the land development, building, and public works industries, to single lot owners.
We also work with cities, and counties, architects, planners, engineers, and contractors throughout California.
*Select Clients
Abacus Project Management Inc.
Accell Property Management
Action Property Management
AECOM
Aera Energy LLC
Aliso Viejo Master Association
All American Asphalt
American Automobile Association
AMMCOR
Anaheim Hills Private Association
APA Engineering
Applied Medical
Aquatic Technologies
Archer Norris PLC
Architopia
Atherton-Newport
Bacchus Development
Baywood Homes
Belmont Estates HOA
Bernard Construction
Berquist Residence
Bert Howe & Associates
Bio-Rad
Booth Mitchel & Strange LLP
Brent Engineering Inc.
Brooks Street
Buie Stoddard Properties
California Drilling & Blasting Company Inc.
California Joint Powers Insurance Authority (CJPIA)
Canyon Lake Property Owner's Association
Capistrano Unified School District
Capistrano Valley Water District
Carmeuse
Carney Associates
Centex Homes
City of Aliso Viejo
City of Anaheim
City of Chino Hills
City of Dana Point
City of Huntington Beach
City of Irvine
City of La Mesa
City of Laguna Beach
City of Laguna Hills
City of Laguna Niguel
City of Lake Forest
City of Los Angeles
City of Malibu
City of Mission Viejo
City of Newport Beach
City of Palos Verdes Estates
City of Rancho Palos Verdes
City of Rancho Santa Margarita
City of San Clemente
City of San Diego
City of San Juan Capistrano
City of Santee
City of Temecula
City of Vista
Civilsource
Clark & Green Associates
Clark Hill PLC
Collins, Collins, Muir + Stewart LLP
Connolly Pacific Company
Contractors & Building Trades
Cooksey Toolen Gage Duffy & Woog
Coto de Caza Ltd.
Cotti Foods Corporation
County of Orange
County of Orange – OC Parks
County of Orange – Public Works
County of Riverside
County of Ventura
Crean Lutheran High School
CZ Master Community Association
D.J. Scheffler Inc.
Dale Christian/Structural Engineer Inc.
David P. Hoffman Architects
David Tucker Enterprises Inc.
Dawson & Hannouche
Diaz-Yourman & Associates
DMB Associates
Douglas E. Barnhart Inc.
Dove Canyon Master Association
Drill Tech Drilling & Shoring Inc.
El Toro Materials
Emerald Bay Community Association
Emerald Bay Service District
Eric Talbert & Associates
Exponent
Fenton Grant Mayfield Kaneda & Lift
Fierstadt & Mans
Fiore Racobs & Powers
First Service Residential
Ford EC
Ford Walker Haggerty & Behar LLP
Forma
Foxfire Constructors
Garden Grove Water District
GCI Associates
Genterra
Geobase
Geofirm
Geosoils
Geosyntec
Gordon & Rees LLP
GPI
Grant General Contractors
Graves & King
Green & Hall Inc.
Greenberg Traurig LLP
Greenstone Materials
Hall & Foreman Inc.
The Homampour Law Firm
Harris and Associates
HDR Engineering Inc.
Hillcrest Contracting
Huitt-Zollars Inc.
Hunsaker & Associates
Irvine Apartment Communities, Inc. (IAC)
Irvine Community Development Corporation (ICDC)
Irvine Company Office Properties (ICOP)
Irvine Ranch Water District
Irvine Retail Properties
ITSI/Gilbane
J.S. Dyer & Associates Inc.
Jacobs Engineering
John Laing Homes
K&G Equities
K&L Gates LLP
Keller Weber & DeBrott
Kendrick Jackson & Kearl
Kerckhoff Designs
Kiewit Construction Inc.
Kiewit Pacific Company
Koll Company
Kron & Card LLP
Kutak Rock LLP
LaBelle-Marvin Inc.
Ladera Ranch Maintenance Corporation (LARMAC)
Laguna Beach County Water District
Laguna Geosciences
Lake Sherwood Development
Land Concern Landscape Architecture LPA
Lapeyre Industrial Sands
Law Offices of Andy Kurz
Law Offices of Lloyd S. Pantell
Law Offices of Nicholas Basakis
Law Offices of Robert B. Titus
LBA Realty
Lennar
Lester & Cantrell LLP
Lewis Brisbois Bisgaard & Smith LLP
Long & Delis
LPA
Lusardi
Lutzky Development
Lyon Communities
M.M. Sundt Construction Company
MAF Architects
Mark Falcon General Contractor
Mark IV Capital
Marshall French & DeGrave
MBF Consulting Inc.
MCE Consultants
Merit Properties
Metropolitan Water District of Southern California
Michael Brandman Associates
Michael Martin Architects
Mine Development & Engineering Corporation
Mitchell Engineering
Montego at Monarch Beach HOA
Morris Sullivan & Lemkul LLP
Morrow & White
Moulton Niguel Water District
Murchison & Cumming LLP
Murex Environmental
Murow Development Consultants
Murtaugh Meyer Nelson & Treglia LLP
Musick Peeler
MVE Institutional Inc.
Neil’s Controlled Blasting
Newmeyer & Dillion LLP
Newport-Mesa Unified School District
NMG Geotechnical
Norcal Engineering
Ocean Ranch HOA
Ortega Rock
O’Melveny & Myers LLP
Pacific Advanced Civil Engineering
Parker • Stanbury LLP
Parkglen Community Management Inc
Parkview Rubidoux
Payne & Fears LLP
PBS&J Company
Pelican Crest HOA
Performance Plus
PM Realty Group
Powerstone Property Management, Inc.
Premier Silica
Professional Community Management
Psomas
Pulte Homes
Rancho Mission Viejo
Rancho Niguel Master Community Association
Rancho Santa Margarita HOA (SAMLARC)
RBF Consulting
RD Olson Development
RDM Architects
Richard Crawford Custom Homes
Rick Engineering
RJM Design Group
Robert Hidey Architects
Rocky Point Community Association
Rodeo Homes
Roy E. Ladd Inc.
Rutan & Tucker LLP
Sabaitis • O’Callaghan LLP
San Diego County Water Authority
San Juan Creek HOA
San Juan Open Space Foundation
Santa Margarita Company
Santa Margarita Water District
Sauers Construction Inc.
Sea Country Homes
Shank/Balfour Beatty
Shimmick Construction
Shorecliffs HOA
Skebba & Isaac
Snyder Langston
Soil Retention Systems
South Coast Water District
Southern California Grading
Spradlin & Smart
Springel & Fink LLP
St. Margaret's Episcopal School
Stantec
Stonefield
Stoney Miller
Sukut Construction Inc.
Summerhill HOA
Sunrise
Talega Associates
Taylor Group
Taylor Woodrow Homes
Tetra Tech
The Phillips Firm
The Warner Group Architects
Toll Brothers
Total Property Management
Trabuco Canyon Water District
Transpacific Management Service
Tripointe Homes
Urban Arena LLC
Villa Pacifica Community Association
Walsh McKean Furcolo LLP
Walsowroth Franklin Bevins & McCall, LLP
Ware Malcomb
Warmington Homes
Watermarke Properties Inc.
Webb Community Management
Weil & Drage
Westar Associates
Western National Group
Western Realco
William Lyon Homes
Woodruff Spradlin & Smart
Wynewood Company
Yuba County Water Agency