Professional Associations

• American Coal Council
• American Fisheries Society
• American Planning Association
• Association of State Wetland Managers
• American Society of Landscape Architects- National, Illinois, Indiana, Michigan, Ohio
• Ecological Society of America
• Home Builders Association-National, Cincinnati, Indiana, Indianapolis
• Illinois Landscape Contractors Association
• Illinois Nurserymen's Association
• Indiana Nursery and Landscape Association
• Michigan Nursery and Landscape Association
• Indiana Association of Cities and Towns
• Michigan Township Association
• National Association of Lake Management Society-Illinois, Indiana, Ohio
• National Recreation and Park Association- Illinois, Indiana, Michigan, Ohio
• National Stone, Sand & Gravel Association
• Ohio Florists' Association
• Society for Ecological Restoration
• Society of American Military Engineers
• Society of Wetlands Scientists
• U.S. Green Building Council: Illinois, Indiana, Michigan, Ohio, Wisconsin