Clients who have utilized Hydro Geo Chem, Inc.'s
services include:

Arizona Attorney General’s Office
Arizona Department of Administration
Arizona Department of Emergency & Military Affairs
Arizona Department of Environmental Quality
Arizona Portland Cement
Arizona Public Service
Army Corps of Engineers
Arizona State Prison
B.T.Z., Inc.
Barrett, Hale, and Gilman, PC (Seattle)
Bayer Corporation
Black and Veatch Engineering
Bureau of Reclamation
Bureau of Indian Affairs
Burr Brown Corporation
Cable, Barrett, Langenbach, & McInerney, PC
Celanese Limited
City of Tucson
City of Phoenix
Clayton Environmental Consultants
Coca Cola Bottling Company
Chemical Manufacturers Association
Conestoga-Rovers Associates
Cyprus AMAX
Dames and Moore
de maximis
Denison Mine (USA) Corporation
Dinkelspiel & Dinkelspiel, PC (S.F., CA)
Department of Energy
Evergreen Air Center
En Con Services International
Environ Corporation
Evans, Kitchel, and Jenks, PC (Phoenix)
Fluor Daniel
FMC Corporation
Gallagher & Kennedy
Geraghty and Miller
General Electric
Gila County Engineering Services
Gila County Public Works
Greenfields Enterprises, LLC
Greenlee County
HGC Capital, Limited
Hamilton Standard Controls
Harding Lawson Associates
Hargis and Associates
Hexcel Corporation
Hughes Aircraft
Hulsey McCormick & Wallace, Inc.
Inspiration Consolidated Copper

International Uranium Corporation
Jacobs Engineering
Kennedy & Souza, APC
Kuhles Services, Inc.
Lawrence Berkeley National Laboratory
Los Alamos National Laboratory
Martin Marietta
Mountain States Engineering
Northbrook Holmes, LLC
Nuclear Regulatory Commission
OH Materials
Pacific Northwest Laboratories
Phelps Dodge Miami, Inc.
Pima County, Arizona
Port of Seattle
Precision Spring and Coil
Pueblo of Laguna
Rockwell Hanford Operations
Romic Chemical Corporation
Roy F. Weston, Inc.
SCS Engineers
SDB, Inc.
Sandia National Laboratories
South Yuma County Landfill
Southern California Edison
Southwestern Power Group II, LLC
Savannah River National Laboratory
Streich, Lang, Weeks, and Cardon, PC
Sverdrup Engineering
TTL, Inc.
Taft, Stettinius, and Hollister, PC (Cincinnati)
Terranext, LLC
The Hopi Tribe
U.S. Filter Westates Carbon
U.S. Geological Survey
U.S. Department of Justice
U.S. Waste Industries, LLC
Union Pacific Railroad
United Technologies
University of California
Utah Power and Light Company
Van Waters and Rogers, Inc.
Washoe County Comptroller
Waste Management of Arizona
Waterfall Economidis, PC
Wespac Industrial Limited Partnership
Western Technologies
Xining Aiyuan Landfill Gas Co., Ltd.
Zacher Construction, Inc.
Zero Corporation


51 West Wetmore Road, Suite 101, Tucson, Arizona 85705-1678

Toll Free (800) 727-5547, Tel. (520) 293-1500, Fax (520) 293-1550, Email

3038 East Cactus Road, Suite 3, Phoenix, Arizona 85032-7113
(480) 421-1501, Fax (480) 425-8794
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