| MFMolded Fiber Glass Composite Systems Company | Ashtabula | OH | Plastics and Rubber Products Manufacturing326191 | 100-499 | ● ACTIVE |
| ZCZehrco-giancola Composites INC | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Iten Defense LLC | Ashtabula | OH | Plastics and Rubber Products Manufacturing326130 | — | ● ACTIVE |
| IIIten Industries, INC. - Plant 1 (0204010112) | Ashtabula | OH | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| GRGrand River Rubber & Plastics Company | Ashtabula | OH | Plastics and Rubber Products Manufacturing326291 | 100-499 | ◐ LIKELY ACTIVE |
| IIIten Industries , Plant 2 | Ashtabula | OH | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| MFMolded Fiber Glass Research Company * | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| GTGmr Technology INC (0204010490) | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ZGZehrco Giancola Composites INC Plant 4 | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ARAshtabula Rubber CO INC | Ashtabula | OH | Plastics and Rubber Products Manufacturing326220 | — | ◐ LIKELY ACTIVE |
| IIIten Industries | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| IIIten Industries INC. (plant 3) (0204010442) | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| IIIten Industries, Inc., Plant 4 (0204010405) | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies, Plant 1 | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ZGZehrco Giancola Composites INC | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CMCreative Millwork of Ohio, Inc. | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MAMeese - Ashtabula | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| ACAllpass Corporation | Ashtabula | OH | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| IIIten Industries, INC. | Ashtabula | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |