• American Academy of Orthopaedic Surgeons
  • American Road & Transportation Builders Association
  • Associated General Contractors of America
  • Association of American Railroads
  • Center to Advance Palliative Care
  • FleishmanHillard
  • Ketchum
  • National Association of Independent Colleges & Universities
  • National Wildlife Federation
  • Pfizer
  • The University of North Carolina at Chapel Hill
  • U.S. Chamber of Commerce
  • U.S. Food & Drug Administration