- American Colors, Inc.
 - Sandusky - Coloration systems for the plastics and coatings industries. - Cleveland Pigment & Color Co.
- Akron - Processes pigments for rubber, plastics, and other industries.
- Flexsys
- Akron - Producer of accelerators, insoluble sulphur, antidegradants and specialty chemicals for the rubber industry.
- Haynes Manufacturing
- Westlake - Manufacturer of food-grade lubricants for machinery and machine parts.
- HSE Systems
- Massillon - The developer of MSDgen, provides enterprise MSDS software for the authoring, management, and distribution of MSDS and the generation of hazard labels in multiple languages/formats.
- Hukill Chemical Corp
- Bedford
- Noveon
- Cleveland - Producer of polymers and polymer additives including thickeners, emulsifiers, film-formers, CPVC resins and compounds, and TPUs.
- Plasticolors, Inc.
- Ashtabula - Supplier of colorants and chemical dispersions for the plastics industry.
- Polymer Diagnostics, Inc.
- Avon Lake - A research and testing facility specializing in polymer and vinyl technology, chemical analysis, physical properties testing, and fire science.
- PolyOne Corporation
- Cleveland - Specialty chemical company focused on colour and additive concentrates for plastics and rubber compounding. Also distributor of plastic resin and engineered, plastic shapes.
- Research Organics
- Cleveland
- SIFCO Selective Plating
- Cleveland - A supplier of brush plating and selective plating kits and chemicals.
- Solvite Chemical Co.
- Aurora - Manufacturer and distributor of chemicals for metalworking and metalforming.
- Sorbothane, Inc.
- Kent - Manufacturer of patented viscoelastic material which has vibration isolation and shock absorption characteristics.
- Zaclon Incorporated
- Cleveland - Manufacturer of industrial chemicals. Specializing in galvanizing fluxes.
- Zircon Industries, Inc.
- Cleveland - Manufacturer and supplier of chemical de-icers, ice preventatives and other surface control substances.
|