A
Adeline Lofts Associates
Air Products- Shell Oil Co.
Air Products
Alameda County Water Dist.
Alameda County
Albay Construction
Alfaro Bakery
Andrade Trucking
Arcata Graphics
Army Corp. Engineers
Arntz Builders

B
B.A.R.T.
Becton Dickinson
Berlix Biosciences
Bodega Bay Public Utilities Dist.
Bonfante Gardens
Brown Construction
Browning Ferris
Burlingame High School
Butler-Johnson

C
C. Overaa & Company
Cal.Trans
Calif. Valley Land
Calif. Catalyst
Calif Air Nat'l Guard
California State Prisons
Carlin Construction Company
Carnegie Foundation
CDM Engineers
Chevron USA, Inc.
Chiron Corp.
Cities of Belmont and San Carlos
City College of San Francisco
City of Auburn
City of Daly City
City of Fresno
City of Fort Bragg
City of Livingston
City of Martinez
City of Pittsburgh
City of Salinas
City of San Jose
City of San Francisco
City of San Mateo
City of Santa Cruz
City of Saratoga
City of Sunnyvale
City of Turlock
City of Ukiah
City of Vallejo
Coca Cola
Contra Costa Water Dist.
Contra Costa County

D
Delta Diablo Sanitation Dist.
Delta Star Elect.
Devcon Construction
Dow Chemical

E
East Bay Car Wash
El Dorado Irrigation Dist.
ESL, A Subsidiary of TRW

F
Fremont Unified School Dist.

G
Gen-Con Construction
Genetech, Inc.
Gilroy Foods

H
Hometown Gallery

I
IBM

J
James R. Griffin Construction
J.H Fitzmaurice Inc.

K
Kirkwood Bly Construction

L
Laidlaw Corp.
Lake County
Lincoln Properties
Live Oak High School
Lockheed Missile
Lodi Boys and Girls Club

M
M.S. Mitetsu Shopping Center Co.
Marchi Ranch
Martinez Unified School Dist.
Matson Terminals
Matsumoto Bros.
Memorex
Monroe Transmission
Moreland School District

N
N.A.S.A.
Nevada City
New United Motors, Inc.
Newark School Dist.
Norcal Waste Systems
Northern Presbyterian Homes, Inc.

P
P.G.& E.
Pacific Bell
Placer County
Placer County Water Agency
Port of Oakland

R
Ralph Larson & Sons
Rio Cosumnes Prison
Ron Marazzo
Royal Roofing

S
San Francisco Airport Commission
San Francisco Public Utilities Commission
San Luis and Delta Mendota Water Authority
San Jose Water Co.
San Mateo County
San Mateo County Com'ty College
San Mateo County Public Works
San Mateo Union High School District
Sandoz Corp. Protection
Santa Clara Valley Water
Santa Clara County
Schram Construction
Sea-Land Service
Sky Mountain Christian Camp
South Marin Sewer Agency
Speedy Lube
Stanford Linear Accelerator
Stanford University
State Dept. Corrections
State Parks Dept.
State Health Service
Sunnyvale School Dist.
Swenson & Associates

T
Tahoe-Truckee Sanitary District
Tamalpais Union High School
Tamalpais Union School District
Tosco Refinery Co.
Town of Danville
Tri City Community Dev. Corp.
Tube Service
Tuolumne Utilities District

U
U.S. Air Force
U.S. Dept. of Labor
U.S. Navy
U.S. Postal Service
U.S.G.S.
U.S.P.C.I. INC.
United Airlines
United Technologies Chemical Div.
Univ. Calif. Lawrence Livermore Labs
Univ. Of Calif. Davis

V
Valley Auromated Fuels

W
Waste Management
West Bay Builders
West County Waste Water Dist.
Weston Solutions
West Valley College
Wine World

Z
Zayante Fire Dist.
Zone 7 Water Agency