OESI Active Members are firms located within the State of Ohio that recycle, treat or dispose of hazardous and nonhazardous waste materials. Our Active Members are subject to regulation by the Resource Conservation and Recovery Act. Active Members comprise the governing body of OESI.
- Chemtron Corporation
- Clean Harbors Environmental Services
- Environmental Enterprises, Inc.
- Envirosafe Services of Ohio, Inc.
- Heritage Thermal Services
- Ross Environmental Services, Inc.
- Systech Environmental Corporation
- US Ecology
- Veolia ES – Technical Solutions
- Vickery Environmental, Inc.