 Erie Engineered Products, INC. | Lancaster | 20–99 | ● ACTIVE |
 Apple Rubber Products, INC. | Lancaster | 100–499 | ● ACTIVE |
 Caplugs, INC. | Buffalo | 100–499 | ● ACTIVE |
 Moldtech LLC | Lancaster | — | ● ACTIVE |
 Tmp Technologies, INC | Buffalo | — | ● ACTIVE |
 Virtual Polymer Compounds, LLC | Getzville | 20–99 | ● ACTIVE |
 Integument Technologies, INC. | Tonawanda | — | ● ACTIVE |
 Performance Advantage Company, INC. | Lancaster | — | ● ACTIVE |
| PPProfessional Plastics-east, LLC | Orchard Park | — | ● ACTIVE |
| ECEngineered Composites INC | Buffalo | 20–99 | ◐ LIKELY ACTIVE |
| EIE I Dupont De Nemours - Yerkes Plant | Buffalo | — | ◐ LIKELY ACTIVE |
| PRPrince Rubber & Plastics CO INC | Buffalo | 20–99 | ◐ LIKELY ACTIVE |
| SRSumitomo Rubber Usa, LLC (fmr Goodyear Dunlop Tire North America Ltd) | Tonawanda | — | ◐ LIKELY ACTIVE |
| DIDeckorators INC | Buffalo | — | ◐ LIKELY ACTIVE |
| PIProtective Industries INC | Buffalo | — | ◐ LIKELY ACTIVE |
| SPStaroba Plastics | Holland | 20–99 | ◐ LIKELY ACTIVE |
| HHospira | Buffalo | — | ◇ UNVERIFIED |
| NFNiagara Fiberglass INC | Buffalo | — | ◇ UNVERIFIED |
| TFThermal Foams INC | Buffalo | — | ◇ UNVERIFIED |
| TRTime Release Properties LLC | Lackawanna | — | ◇ UNVERIFIED |
| AAn-cor | North Tonawanda | 20–99 | ◐ LIKELY ACTIVE |
| DDuPont-Yerkes | Tonawanda | 100–499 | ◐ LIKELY ACTIVE |
| HGHabasit Globe Inc | Buffalo | 20–99 | ◐ LIKELY ACTIVE |
| TRTime Release Sciences Inc. | Lackawanna | 100–499 | ◐ LIKELY ACTIVE |
| ACAmerican Coating Technologies, LLC | East Aurora | — | ◇ UNVERIFIED |
| APAtlas Plastics INC | Orchard Park | — | ◇ UNVERIFIED |
| CSCello-pack Specialty Film and Lamination | Buffalo | — | ◇ UNVERIFIED |
| DADelphi Automotive Systems LLC | Amherst | — | ◇ UNVERIFIED |
| FPFenner Precision | Buffalo | — | ◇ UNVERIFIED |
| GLGreat Lakes Plastics CO INC. | Buffalo | — | ◇ UNVERIFIED |
| LILeon Industries LLC | Buffalo | — | ◇ UNVERIFIED |
| PCPlassein Components | Getzville | — | ◇ UNVERIFIED |
| PAPlastics Acquisitions INC | Orchard Park | — | ◇ UNVERIFIED |
| RRRubicon Rubber LLC | Buffalo | — | ◇ UNVERIFIED |
| SRSumitomo Rubber USA LLC | Tonawanda | — | ◇ UNVERIFIED |
| TRTime Release Sciences INC. | Buffalo | — | ◇ UNVERIFIED |
| WPWorldwide Protective Products | Orchard Park | — | ◇ UNVERIFIED |
