Abbott Abbott Laboratories
AgrEvo USA Co.
Agtrol Chemical Products
American Cyanamid Co.
American Society for Horticultural Science
Amvac Chemical Corporation
BASF Corp.
Bayer Agriculture Division
Beneficial Insectary
Best Sulfur Products
Blue Mountain Horticultural Association
California Cherry Growers
Central Washington Nursery Improvement Institute
Chelan County Conservation District
Chinet Company
Consep, Inc.
CCT
Dow Corning
DowElanco
Ecogen, Inc.
Economic Development Council of NCW
E.I. DuPont de Nemours & Co.
Elf Atochem
Exxon Research & Development Laboratories
FMC Corporation
Gowan Company
W. R. Grace and Co.
Helena Chemical Co.
Hercon Environmental Corporation
Howell Johnson Minerals
Hydro Agri North American, Inc.
IGG International
Inorganics International, Inc.
Insecticide Resistance Action Committee
International Apple Institute
International Dwarf Fruit Tree Association
JMS Flower Farms, Inc.
W.K. Kellogg Foundation
LidoChem
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Merck & Co., Inc.
Mycogen Corp.
Mycotech Corporation
National Chelating Company
NCW Fieldmen's Association
Northwest Fruit Exporters
Novartis
Novo Nordisk Entotech, Inc.
Nutrient Technologies, Inc.
Oregon Dept. of Agriculture - Center for Applied Agricultural Research
Osborn & Barr
OSi Specialties
Pacific Biocontrol, Ltd.
Plant Health Technology (Simplot)
Rhône-Poulenc
Rohm and Haas Co.
Sandoz, Inc.
Sankyo Co., Ltd.
Scenturion
Sumitomo Corp. of America
3M Canada Company
The Washington Technology Center
Trécé, Inc.
Tri-River Chemical, Inc.
Uniroyal
United Agri-Products
USDA-ARS
USDA-CREES
USDA-CSRS
USDA Extension Service
USDA-IPM-PT
USDA Sustainable Agriculture Research and Education Program
Valent Corp.
Washington Apple Commission
Washington/Oregon Prune Marketing Committee
Washington Tree Fruit Research Commission
Webb-Wright
Western Farm Service, Inc.
Western Regional Pesticide Impact Assessment Program
Willow Drive Nursery
Winter Pear Control Committee
Yakima Pomology Club
Zeneca Ag Products
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