Composites / Plastics Companies
Home to the country's largest national laboratory and a major research university, the 15-county Knoxville-Oak Ridge region has become a center of expertise for advanced composites materials.
| Company | Location | Number of Employees | Service |
| Newell Rubbermaid | Blount | 1000 | Office products supplier |
| Techmer P.M. | Anderson | 300 | Poly modifiers |
| Formall | Anderson | 120 | Portable storage containers |
| Republic Plastics | Knox | 84 | Plastic dinnerware and tableware |
| PolyOne | Anderson | 80 | Poly modifiers |
| Ultra Tech Extrusions of TN | Anderson | 48 | Plastic extrusion |
| Phoenix Closures | Cocke | 20 | FDA approved injection molding |
| RGE (USA), Inc. | Cocke | 18 | Injection molding |
| Wright Plastic Products | Monroe | 10 | Injection molded plastic parts |
Source: Book of Lists, community websites 2021