• American Nursery and Landscape Association
  • The American Society of Golf Course Architects
  • American Society of Irrigation Consultants
  • Audubon International
  • Golf Course Builders Association of America
  • GCSAA
  • National Turfgrass Evaluation Program (NTEP)
  • Professional Lawn Care Association of America
  • Sports Turf Managers Association
  • Sports Turf Research Institute Bingley
  • Turfgrass Producers International
  • USGA Green Section
  • North Dakota Golf Association
  • Turfgrass Information Center