Summit Engineering, Inc, Santa Rosa
EDAW, Inc. Sacramento
Kleinfelder Associates, Stockton
Harding Lawson and Associates, Novato, Sacramento, Reno
Montgomery Watson, Walnut Creek, Fresno
Parsons Brickerhoff, San Francisco
Siegfried Engineering, Stockton
Sierra Engineering Associates, San Andreas
Sanguinetti Engineering, Stockton
James C. Hanson, Inc, Sacramento
Kjeldsen-Sinnock-Neudeck Engineers, Stockton
Thompson-Hysell Engineers, Modesto
The Spink Corporation, Sacramento
Dewante and Stowell, Sacramento
Nolte and Associates, Sacramento
Sierra Engineering, San Andreas
Mother Lode Engineering, Angel's Camp
Jeffrey's and Associates, San Andreas
Santina and Thompson, Inc., Concord
Giersch and Olson, Inc., Madera
PPI Engineering, Napa
Ruzicka Engineering, Lakeport
Environmental Planning Companies
Environmental Science Associates, Sacramento, San Francisco
LSA, Pt. Richmond
EMCON, Sacramento
GRD, Sutter Creek
InSIte Environmental, Stockton
WESCO Environmental Services, Novato
Design, Community, and Environment, Berkeley
Jones and Stokes Associates, Sacramento
EIP Corporation, Sacramento
Ogden Environmental and Energy Services, San Diego, San Francisco
ECORP-Sugnet, Inc., Roseville
The Chambers Group, Sacramento
ERCE, San Francisco
ESRI, Redlands
Fugro-McClelland, Inc., Sacramento
Moore Biological Consultants, Lodi
Skenfield Consulting, Murphys
Ebert and Associates, Albuquerque, NM
Gray and Pape, Cincinnati, OH
Land Development, Energy, and Utility Companies
Chevron Land Company, Pt. Richmond
Grupe Companies, Stockton
Harold J. Eade Land and Cattle Company, Hollister
A. G. Spanos Company, Stockton
H. C. Elliott Company, Folsom
Ford Construction Company, Lodi
Burlington Resources, Bellevue, WA
FMC Corporation, Reno
Wal-Mart Corporation, Bentonville, AR
Diablo Grande LLC, Atlanta, Georgia
Greenhorn Creek Development LLP, San Andreas
Saddle Creek LLP, Copperopolis
Pacific Gas and Electric Company
Pacific Telephone
AT&T Corporation
GTE Cellular
Sierra Cellular
Teneco Mining and Mineral Development Corporation, Houston, TX
Meridian Gold Company, Denver
Western Pacific Railroad Company, Stockton
Shannon Ranches, Arbuckle
Government Agencies (Direct Contracts)
County of Madera Roads Department
County of Madera Planning Department
County of Tuolumne Department of Public Works
City of Santa Rosa Parks Department
City of Dublin Department of Public Works
City of San Ramon, Department of Public Works
City of Tracy Planning Department
City of Lodi
San Joaquin County Rail Commission
County of Stanislaus Planning Department
County of Stanislaus Department of Public Works
City of Coalinga Planning Department
County of Merced Council of Governments
Dos Palos and South Dos Palos Joint Powers Authority
San Joaquin County Council of Governments
County of Kern Department of Public Works
County of Kern Planning Department
Willamette National Forest, Eugene, Oregon
Columbia River Gorge National Scenic Area, Hood River, Oregon
Bureau of Land Management, Pacific Northwest Region, Portland, Oregon
Lassen National Forest, Susanville
Shasta-Trinity National Forest, Redding
USDA Northcentral Contracting Unit, Redding
USDA Southern Contracting Unit, Bishop
Inyo National Forest, Bishop
Plumas National Forest, Quincy
Sequoia National Forest, Porterville
Sierra National Forest, Fresno
Tahoe National Forest
Six Rivers National Forest
City of Los Angeles Water Department
City of Roseville Department of Public Works
City of Sacramento Planning Department
City of Sacramento Development Agency
Corps of Engineers, Sacramento
Corps of Engineers, San Francisco
Bureau of Reclamation, Sacramento
City of Ukiah Planning Department
Reno-Cannon Airport Authority, Reno
Department of Transportation, District 2, Eureka
Department of Transportation, District 10, Stockton
Six Rivers National Forest, Eureka
City of Eureka Planning Department
Bethel Island Flood Control District
Stockton Municipal Airport Authority
Santa Rosa Redevelopment Agency
City of Clearlake Planning Department
County of San Joaquin Department of Public Works
City of Stockton Planning Department
County of Calaveras Planning Department
City of Jackson Planning Department
City of Plymouth
County of Placer Planning Department
County of Lake Planning Department
County of Lake Department of Public Works
County of Mendocino Department of Public Works
County of Napa Planning Department
County of Napa Department of Public Works
County of Fresno Planning Department
County of Fresno Department of Public Works
City of San Francisco Water Agency
City of Fresno Planning Department City of Los Banos Department of Public Works
City of Los Banos Planning Department
Tahoe Basin Planning Agency
Sacramento Municipal Utility District
East Bay Municipal Utility District
United States Postal Service, San Francisco
City of Pittsburg Planning Department
City of Sebastopol Department of Public Works
City of Walnut Creek Department of Public Works
California Department of Oil and Gas
City of Calistoga Department of Public Works
Mark Twain Community Hospital, San Andreas
Southern San Joaquin County Irrigation District, Escalon
City of Livingston Planning Department
City of Fort Bragg Planning Department
Sonoma County Water Agency

Wineries

Stevenot Winery, Murphys	Seagrams International
WineWorld, Inc	BV Vineyards, Rutherford
Heitz Cellars, Rutherford	Benziger Family Winery, Glen Ellen
Clos DuBois, Calistoga	Cohen Winery, Glen Ellen
Glen Ellen Winery	Chateau St. Jean, Glen Ellen
Windsor Vineyard, Windsor	Stags Leap Winery, Oakville
Rodney Strong Winery, Rutherford	Joseph Phelps Vineyard, Oakville
Johnson-Turnbull Winery, Oakville	William Hill Winery, Yountville
Beringer Winery, Rutherford	Charles W. Krug, St. Helena
Cakebread Cellars, Oakville	Pope Valley Cellars, Pope Valley
Pride Mountain Vineyards, Oakville	Forest Hill Vineyard
Caymus Vineyards, Alexander Valley	Domaine Chandon Champaign Cellars
Freemark Abbey Winery	Duckhorn Vineyards
Obsidian Winery	Livingston Winery
Mayacamus Vineyards	Louis Martini Winery
Jaeger Inglewood Cellars	Goosecross Cellars, Oakville
Grgich Hills Cellars	Vichon Winery
Whitehall Lane Winery	Trefethen Vineyards, Calistoga
Staglin Family Vineyard, St. Helena	Sterling Vineyards, Calistoga
Stony Hill Vineyard	Robert Pepi Winery, Oakville
Round Hill Vineyards	Rutherford Hill Winery. Rutherford
Opus One Winery, Oakville	Vintage Lane Winery, Glen Ellen
E & J Gallo Winery	Souverain Winery, Healdsburg
Franciscan Vineyards	Phillips Wine Cellars
Sonoma County Brewery	Sutter Home Vineyards
Concannon Cellars	Christian Brothers, St.Helena
Fetzer Winery	Firestone Cellars
Freemark Abbey	Geyser Peak, Geyerville
Grand Cru Winery	Robert Mondavi Winery, Rutherford
Parducci Winery	Pedroncelli Winery
Sonoma Vineyards	Guenoc Winery
Weibel Winery	Wente Brothers Winery
Kendall-Jackson Winery, Santa Rosa	Dharmapalan Vineyard, Clearlake Oaks
Amber Knoll Vineyard	Von Strasser Winery
Hueblin, Inc.

Universities

Sonoma State University, Rohnert Park, CA
(Homestake Mining Project, Lake and Napa counties CA) 1984 - 1986

University of Rochester, Rochester, New York 1992 - 1993
(Yodefat Archaeological Mapping Project, Lower Galilee, Israel)

California State University, Sacramento 1990
(Northern and Central California Campus Siting Project
(subcontract with ESA)

Fresno State University 1989-1991
(Royal Mountain King Archaeological Project)

MacAlester College, St. Paul, MN 1994-1996
(Chersonesus Archaeological Mapping Project, Sevastopol Federal District, Crimea
Autonomous Region, Republic of Ukraine)