Natural Resources
- American Carbon Registry - Winrock
- Ash Grove Cement
- Association of Northwest Steelheaders
- Audubon Society of Portland
- Bridgewell Resources LLC
- Central Oregon LandWatch
- Climate Solutions
- Coastal Conservation Association
- Columbia Hemp Trading Company
- Crop Life America
- Eaze
- Far West Agri Business Association
- Friends of Columbia Gorge
- Friends of Trees
- Hancock Forest Management
- Mountain Rose Herbs
- Northwest Sportfishing Industry Assn.
- Oregon Chapter of American Fisheries Society
- Oregon Chapter of the Wildlife Society (OTWS)
- Oregon Conservation Network
- Oregon Environmental Council
- Oregon Ground Water Association
- Oregon Hunters Association
- Oregonians for Food & Shelter
- Oregon League of Conservation Voters (OLCV)
- Oregon Mining Association
- Oregon Pest Control Association
- Oregon Water Resources Congress
- Oregon Wild
- Recreational Fishing Alliance-Oregon
- Renew Oregon
- Responsible Industry for a Sound Environment (RISE)
- Salmon For All
- Seafood Oregon
- Sierra Club Oregon Chapter
- Sustainable Northwest
- West Coast Seafood Processors Association
- Wild Salmon Center
Oil and Petroleum
Professional/Associations
- Ackerman-Munson Strategies LLC
- Alzheimer's Association
- American Council of Engineering Companies-Oregon
- American Institute of Architects
- American Kratom Association
- American Sustainable Business Council
- Assoc. Public Safety Communications Officers (APCO)
- Auto Appraisers of Oregon
- Bend Chamber of Commerce
- Business for a Better Portland
- Capitol Advocates
- The Chamber of Medford/Jackson County
- Coalition of Oregon Professional Associations for Counseling & Therapy
- Coba Company Government Relations
- Columbia River Steamship Operator's Association Inc.
- Crosswater Strategies
- Independent Medical Examination Assn.
- Innovare Strategies NW
- LAC of the Community Association Institute, Oregon Community Association Managers
- Latino Network
- Manufactured Housing Communities of Oregon
- Margaret Carter & Associates
- Maritime Fire & Safety Association
- Mary Botkin and Associates LLC
- McMinnville Area Chamber of Commerce
- Naito Public Affairs LLC
- National Association of Credit Management
- National Association of Social Workers (NASW)
- National Fire Sprinkler Association (NFSA)
- NFIB
- Oregon Association of County Engineers and Surveyors (OACES)
- Oregon Association of REALTORS®
- Oregon Association of Water Utilities (OAWU)
- Oregon Bioscience Association
- Oregon Business & Industry
- Oregon Cannabis Association
- Oregon Collectors Association
- Oregon Court Reporters Assn.
- Oregon Criminal Defense Lawyers Association (OCDLA)
- Oregon Fire Chiefs Association
- Oregon Fire Marshals Association
- Oregon Forest & Industries Council
- Oregon Golf Association
- Oregon Land Title Association
- Oregon Media Production Association
- Oregon Pawnbrokers Association
- Oregon PERS Retirees Inc.
- Oregon Recreation & Park Association (ORPA)
- Oregon RV Dealers Assn.
- Oregon Small Business Coalition
- Oregon Society of Certified Public Accountants
- Oregon State Association of County Assessors
- Oregon State Bar
- Oregon State Chamber of Commerce
- Oregon Thoroughbred Owners & Breeders Association
- Oregon Vehicle Dealer Association
- Oregon Veterinary Medical Assn.
- Oregon Volunteer Firefighters Association
- Oxley & Associates Inc.
- Parta Oregon
- Pilot Strategies
- Pineros y Campesinos Unidos del Noroeste (PCUN)
- Portland Business Alliance
- Professional Land Surveyors of Oregon
- Ridgelark Strategies
- Vapor Technology Association
Retail/Merchandising
- 7-Eleven Inc.
- Amazon
- American Cleaning Institute
- Associated Liquor Stores of Oregon
- Cigar Assn.
- Dick's Sporting Goods
- Fred Meyer
- Int’l. Sleep Products Assn.
- Les Schwab
- Northwest Textbook Depository
- Oregon Automobile Dealers Association (OADA)
- Oregon Neighborhood Store Association
- Philip Morris USA by its service company Altria Client Services LLC and its affiliates
- Procter & Gamble
- Rite Aid
- Toy Association
- U.S. Off Track Gaming
- Vapor Technology Association
- Walmart Stores
Telecommunications
Transportation
- 3M
- AAA Oregon/Idaho
- Aaplus+ Technologies
- Active Water Sports
- Alaska Airlines
- Albany & Eastern Railroad
- Alliance of Auto Manufacturers
- Aurora Airport Improvement Association
- BikePAC of Oregon
- Bird Rides Inc.
- BNSF Railway
- Car and Truck Rental and Leasing Association of Oregon
- Central Oregon & Pacific Railroad
- Coast Pavement Services
- Columbia River Pilots
- Coos Bay Pilots
- Coos County Airport District
- Copart
- Daimler Trucks North America
- Enterprise Holdings
- Forth
- General Motors
- Insurance Auto Auctions
- International Longshore & Warehouse Union
- Lane Transit District
- Lyft
- Motorcycle Riders of Oregon
- Northwest Auto Trades Association
- Oregon Airport Managers Association
- Oregon Association of County Engineers and Surveyors (OACES)
- Oregon Concrete & Aggregate Producers Association (OCAPA)
- Oregon Fuels Association (OFA)
- Oregon Rail Users' League (ORULE)
- Oregon Shipping Group
- Oregon Tow Truck Association
- Oregon Transit Association
- Oregon Transportation Forum
- Oregon Trucking Associations Inc.
- Polaris
- Portland & Western Railroad
- Port of Hood River
- Port of Portland
- Radio Cab
- Rogue Valley Transportation District
- Salem-Keizer Transit
- South Metro Area Regional Transit (SMART)
- Toyota
- TriMet
- Uber
- Union Pacific Railroad Company
- Waymo
- Willamette & Pacific Railroad
- Yamhill County Parkway Committee
Utilities/Energy Users and Producers
- Alliance of Western Energy Consumers (AWEC)
- American Carbon Registry - Winrock
- Avangrid Renewables
- Avion Water Company
- Avista Utilities
- Calpine Energy Solutions LLC
- Cascade Natural Gas
- Central Lincoln PUD
- Covanta Energy
- Eugene Water & Electric Board (EWEB)
- Global Partners LP
- Idaho Power
- Jordan Cove Energy Project
- Northwest & Intermountain Power Producers Coalition (NIPPC)
- Northwest Energy Efficiency Council
- NW Energy Coalition
- NW Natural
- Obsidian Renewables LLC
- ORECA
- Oregon Municipal Electric Utilities Association
- Oregon People's Utility District Association
- Pacific Connector Gas Pipeline L.P.
- Pacific Ethanol
- PacifiCorp
- Pacific Power
- Pacific Propane Gas Association
- Portland General Electric (PGE)
- Renewable Energy Group, Inc.
- Renewable Northwest
- Tesla Inc./SolarCity Corporation
- TransCanada
- Umatilla Elec Co-op
- Williams Company