| APAstrazeneca Pharmaceutical LP | West Chester | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| JBJabil Brandywine | West Chester | PA | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| JMJohnson Matthey Inc/west Whiteland | West Chester | PA | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| TBThree Bond International INC | West Chester | OH | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| FSFieldcore Service Solutions LLC | West Chester | OH | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
Microwave Photonic Systems INC | West Chester | PA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| BLBer Lyn Auto Body | West Chester | PA | Food Manufacturing311212 | — | ◐ LIKELY ACTIVE |
| CACarlsons Auto Body Works | West Chester | PA | Food Manufacturing311213 | — | ◐ LIKELY ACTIVE |
| ELEnvera Lic, LLC | West Chester | PA | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
| GCGraphel Corporation | West Chester | OH | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| JIJabil INC | West Chester | PA | Miscellaneous Manufacturing339113 | 100-499 | ◐ LIKELY ACTIVE |
| JIJabil Inc/east Goshen | West Chester | PA | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| JCJames Chevrolet Inc/west Chester | West Chester | PA | Food Manufacturing311300 | — | ◐ LIKELY ACTIVE |
| LPLasko Products, INC. | West Chester | PA | Machinery Manufacturing333412 | — | ◐ LIKELY ACTIVE |
| LPLavazza Professional North Amer INC | West Chester | PA | Food Manufacturing311920 | — | ◐ LIKELY ACTIVE |
| MPMetallurgical Products - West Chester Plant | West Chester | PA | Paper Manufacturing322121 | — | ◐ LIKELY ACTIVE |
| OEOctal Extrusions Corporation | West Chester | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| OSO'rourke & Sons, INC. | West Chester | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PLPole/zero LLC | West Chester | OH | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| SKSafety Kleen Sys INC - West Chester Facility | West Chester | PA | Machinery Manufacturing333298 | — | ◐ LIKELY ACTIVE |
| SESchneider Electric - West Chester | West Chester | OH | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| SBS & B Motors & Body Shop/west Chester | West Chester | PA | Food Manufacturing311222 | — | ◐ LIKELY ACTIVE |
| SISchramm Inc/west Chester | West Chester | PA | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| TRTed Roderer Auto Body/west Chester | West Chester | PA | Food Manufacturing311221 | — | ◐ LIKELY ACTIVE |
| YAYoungs Auto Body/west Chester | West Chester | PA | Food Manufacturing311220 | — | ◐ LIKELY ACTIVE |
| DDDepuysynthes Development Center | West Chester | PA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| FGFlint Group Packaging Inks North America Corporation | West Chester | OH | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Corrugated LLC (1409000859) | West Chester | OH | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| HCHain Celestial Group | West Chester | PA | Food Manufacturing311412 | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting INC | West Chester | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PWPortescap West Chester Plt | West Chester | PA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| RWRepublic Wire INC | West Chester | OH | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| SESchneider Electric USA INC | West Chester | OH | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| TPTaggart Printing CORP | West Chester | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TTTin Technology & Refining | West Chester | PA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| WIWinelco INC | West Chester | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| WCWire & Cable Specialties INC | West Chester | PA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| WPWyeth Pharmaceuticals/west Chester | West Chester | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| 114-oh | West Chester | OH | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| 4C4with Company LLC | West Chester | OH | Furniture and Related Product Manufacturing337211 | — | ▲ REPORTED CLOSED |
| AWAeroFlexx WCTC | West Chester | OH | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◐ LIKELY ACTIVE |
| AAPTech | West Chester | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ACATC Cincinati | West Chester | OH | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| CICfm International INC | West Chester | OH | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| CDChase Door | West Chester | OH | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| CSChem Service Inc | West Chester | PA | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| CDCincinnati - D007 | West Chester | OH | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| CTCincinnati - Tubes & Cores - C318 | West Chester | OH | Paper Manufacturing322299 | 20-99 | ◐ LIKELY ACTIVE |
| CSCleveland-cliffs Steel Corporation | West Chester | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCleveland-Cliffs Steel West Chester Regional Office | West Chester | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |