- 3M Canada Company, London, Ontario
- Acta Group (The), Washington, DC
- Amway Canada Corporation, London, Ontario
- Arylessence Inc., Marietta, Georgia
- Arxada, Basel, Basel-Stadt, Switzerland
- Buckeye International, Inc., St. Louis, Missouri
- Celeste Industries Corporation, Easton, Maryland
- Clorox Company of Canada, Ltd. (The), North York, Ontario
- CRC Industries, Inc., Warminster, Pennsylvania
- Dell Tech Laboratories Ltd., London, Ontario
- Diversey Canada, Inc., London, Ontario
- Eastman Chemical Company, Kingsport, Tennessee
- Ecolab Ltd., Mississauga, Ontario
- Element Materials Technology, Eagan, Minnesota
- Energizer Holdings, Inc., Vandalia, Ohio
- Exponent, Inc., Washington, DC
- Givaudan Fragrances, East Hanover, New Jersey
- Henkel Consumer Goods Canada, Scottsdale, Arizona
- Home Hardware Stores Limited, Paint & Home Products Division, Burford, Ontario
- Intertek Assuris Inc., Mississauga, Ontario
- Kleen-Flo Tumbler Ind. Ltd., Brampton, Ontario
- Korex Canada, Toronto, Ontario
- Lavo Inc., Montréal, Québec
- Microban Canada Inc., Toronto, Ontario
- McLaughlin Gormley King Company, Minneapolis, Minnesota
- NCH Canada Inc., Irving, Texas
- Premier Tech Home & Garden, a division of Premier Tech Ltd., Brantford, Ontario
- Procter & Gamble Inc., Toronto, Ontario
- Raymond Regulatory Resources (3R), LLC, Galena, Ohio
- Ramboll, Arlington, VA, USA
- Reckitt, Toronto, Ontario
- Recochem Inc., Brampton, Ontario
- S.C. Johnson & Son, Limited, Brantford, Ontario
- Scientific & Regulatory Consultants, Inc., Columbia City, Indiana
- Scotts Canada Ltd., Mississauga, Ontario
- Sherwin-Williams, Fort Erie, Ontario
- Solventum (3M Health), Mississauga, Ontario
- Stepan Canada Inc., Mississauga, Ontario
- Technology Sciences Group, Inc., London, Ontario
- Thor Specialties, Inc., Trumbull, Connecticut
- Virox Technologies Inc., Oakville, Ontario
- Zep Inc., Edmonton, Alberta
