Refuse collectors may be members of the International Brotherhood of Teamsters and other unions. The National Waste & Recycling Association represents the private-sector waste and recycling industry in the United States.
- Brownfield Redevelopment Specialists and Site Managers
- Business Managers
- Chemists
- Civil Engineers
- Engineering Technicians
- Environmental Consultants
- Environmental Engineers
- Environmental Scientists
- Environmental Technicians
- EPA Special Agents
- Hazardous Waste Management Specialists
- Hazardous Waste Management Technicians
- Methane/Landfill Gas Collection System Operators
- Methane/Landfill Gas Generation System Technicians
- Microbiologists
- Recycling and Reclamation Workers
- Recycling Coordinators
- Wastewater Treatment Plant Operators and Technicians
- Water/Wastewater Engineers