• 3M
  • Aerojet Rocketdyne
  • Air Products and Chemicals, Inc.
  • American Pacific Corporation
  • Northrup Grumman
  • Johnson Controls
  • Brown and Caldwell
  • Deloitte
  • Felman Production
  • Freeport-McMoRan Inc.
  • Kennametal Inc.
  • Park Water Company
  • Philip Morris International
  • PricewaterhouseCoopers
  • The Dow Chemical Company
  • W.R. Grace
  • Bucks County Water and Sewer Authority
  • National Indian Gaming Commission
  • National Oceanic and Atmospheric Administration
  • U.S. Centers for Disease Control and Prevention
  • U.S. Department of Labor – Employee Benefits Security Administration
  • Water Research Foundation
  • American Association of Railroads
  • American Chemistry Council
  • American Composite Manufacturers Association
  • American Frozen Food Institute
  • American Petroleum Institute
  • American Public Power Association
  • American Water Works Association
  • Biotechnology Industry Organization
  • Cigar Association of America
  • Corn Refiners Association
  • Edison Electric Institute
  • International Tungsten Industry Association
  • National Mining Association
  • National Rural Electric Cooperative Association
  • Pharmaceutical Manufacturers Association
  • Snack International
  • Styrene Information and Research Council
  • The Fertilizer Institute
  • Utility Solid Waste Activities Group
  • Waters Advocacy Coalition