- ACRT, Inc
 - Cuyahoga Falls - Providing powerline clearing and urban forestry services and training to utilities, municipalities, and government agencies; as well as natural resource characterization and mapping. - American Highway Products
- Bolivar - Manufactures steel manhole, catch basin, monument, and water and gas valve box risers.
- BJAAM Environmental, Inc.
- Canal Fulton - Services include human health risk assessment, industrial wastewater treatment, bioremediation, and solid waste landfill permitting.
- Enpac Corporation
- Eastlake - Secondary containment, spill prevention and industrial handling products.
- Environmental Systems Incorporated
- Cleveland - Specialises in industrial wastewater projects.
- NSL Analytical Services, Inc
- Cleveland - Provides both materials and environmental testing services.
- Papsco, Inc.
- Cleveland - Suppling water filtration and wastewater treatment solutions.
- Vadose Research, Inc.
- Canton - Environmental and geotechnical services.
|
