The IERM has approximately 1000 members of which 100 are municipalities.
The membership of the IERM consists of managers responsible for management processes involving:
- Cemeteries and Crematoria
- Public Parks
- Environmental Management & Planning
- Nature Conservation
- Community Recreation a& Recreation Facilities
- Urban Greening
- Arboriculture & Urban Agriculture
The IERM's branch meetings, congresses, seminars and advocacy work for the industry, offer members exposure and access to creative thinking in integrated and sustainable environmental and recreation management.