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Kaiser Foundation Hospital
Fred Hutchinson Cancer Research Center
Northwest Hospital
Excel Corporation
Biosense Webster Inc
Northwood Pulp & Timber Limited, Canada
Cam Chain Company, Canada
Carter & Burgess Inc
Genie Industries
Coca Cola Company
Corporation of Delta, Canada
Todd Pacific Shipyard Corporation
Tesoro Northwest
McKinstry Company
Lonza Group
Ash Grove Cement Company
E&J Gallow Winery
Microgenics Corporation
Bandag Licensing Corp
Plush Pippin Corporation
Telect Inc
Optiva Corp
JE Service Technologies
Insulate Inc
California Automotive Sealing
Sherwin Williams Paint Co.
California Cedar Products
Fluke Corporation
Del-Jen, Inc
EKA Chemical
Canfor Polar, Canada
P.G. Sawmill, Canada
Boeing Company
Armtec Defense Products
Lockheed Martin
County of Yakima
City of Bainbridge Island
City of Sacramento
State of Washington Department of Services for the Blind
City of Corona
US Postal Service
City of San Diego
Quinault Indian Nation
City of Renton
City of Tualatin
City of Port Angeles
City of Sweet Home
City of Portland
City of Olympia
King County
Oregon Youth Authority
Josephine County
City of Sunnyvale
City of Bellevue
King County Department of Natural Resources
City of Seattle
City of Bellingham
Clallam County
City of Kamloops
Tractebel Power
East Bay Municipal Utility District
Josephine County Public Works
Central Contra Costa Sanitary District
Seattle Public Utilities
Snohomish County PUD
Southern California Edison
Alameda County Water District
Puget Sound Energy
Southern California Water Company
Delta Diablo Sanitation District
Santa Clara Valley Water District
Emcore Energy Services
Seattle City Light
Highline Water District
City of Los Angeles Bureau of Sanitation
County Sanitation Districts of Orange County, California
Eastern Municipal Water District
Kansas City Missouri Water Services Department
Western Lake Superior Sanitary District
Tucson Water
Pierce County Utilities
Grays Harbor PUD
Unified Sewerage Agency
Jordan School District
University of Washington
University of Oregon Facility Services
Seattle Central Community College
Skagit Valley College
North Thurston School District
Pima County Community College District
King County Metro Transit
Tri-Met Oregon
King County Metro Transit
Port of Belllingham
Port of Seattle
Starbucks Coffee Company
McCain Foods USA
Lyons Magnus
Zacky Farms
Blue Diamond Growers
Wholesome & Hearty Foods
Bunge Foods
Trident Seafoods Corp
Golden Grain
Advanced Technology Laboratory
Muckleshoot Indian Casino
KD Fuller Company
Harbor Properties
Pemco Financial Services
Federal Reserve Bank
Crista Ministries
Tesoro Northwest
Westin Engineering
US Army Corp of Engineers
Urban Systems
Hyundai Semiconductor
Adobe Systems