PHN has active memberships in and participates with a wide range of professional organizations, including:

• American Institute of Architects
• Building Official and Code Administration
• Construction Specification Institute
• National Recreation and Park Association
• Illinois Park and Recreation Association
• Illinois Association of Park Districts
• National Intramural Recreation and Sports Association
• National Golf Foundation
• National Golf Course Owners of America
• Club Managers Association of America
• Urban Land Institute