- Owners, CEOS
- Palm oil mills and refineries managers, engineers
- Palm oil mills and refineries maintenence and procurement managers
- Plantations and estates managers
- Plantation owners, smallholders and farmers
- Palm oil Producers and trading companies
- Biogas producers and facility owners
- Biomass producers and facility owners
- Biodiesel producers and facility owners
- Contractors and industrial suppliers
- Researchers and Consultants
- Government agencies and associations