| LPLavazza Professional North Amer INC | West Chester | PA | Food Manufacturing311920 | — | ◐ LIKELY ACTIVE |
| SBS & B Motors & Body Shop/west Chester | West Chester | PA | Food Manufacturing311222 | — | ◐ 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 |
| 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 |
| TPTaggart Printing CORP | West Chester | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WCWire & Cable Specialties INC | West Chester | PA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| WPWyeth Pharmaceuticals/west Chester | West Chester | PA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CSChem Service Inc | West Chester | PA | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| CACutter and Cannon | West Chester | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| DIDdaim INC. | West Chester | PA | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
| DMDelta Machine and Tool Company, INC. | West Chester | PA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
DVM Manufacturing, LLC - West Chester | West Chester | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| JPJuan Pistlas | West Chester | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| KPKinetic Prosthetics LLC | West Chester | PA | Miscellaneous Manufacturing339113 | — | ▲ REPORTED CLOSED |
| MFMelting Faces, LLC | West Chester | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| MPMetallurgical Products Company | West Chester | PA | Primary Metal Manufacturing331420 | 1-19 | ◐ LIKELY ACTIVE |
| Ppharmablock | West Chester | PA | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| RBRevolution Bees LLC | West Chester | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RIRusmar Inc (adba Atmos Technologies) | West Chester | PA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| TAThe Artisan's Cellar, LLC | West Chester | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WCWest Chester | West Chester | PA | Electrical Equipment, Appliance & Component Manufacturing335210 | 100-499 | ◐ LIKELY ACTIVE |
| WCWest Chester Branch 28 | West Chester | PA | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| AIAp-O-Gee Industries, Inc | West Chester | PA | Printing and Related Support Activities323110 | 20-99 | ◇ UNVERIFIED |
| ECEclat Chocolate | West Chester | PA | Food Manufacturing311352 | 1-19 | ◇ UNVERIFIED |
| FEFitze Engineers | West Chester | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| SPStar Printing, Inc. | West Chester | PA | Printing and Related Support Activities323111 | 20-99 | ◇ UNVERIFIED |
| TMThe Master's Baker Corporation | West Chester | PA | Food Manufacturing311811 | 1-19 | ◇ UNVERIFIED |
| AIAp-O-Gee Industries Inc | West Chester | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| AIAp-O-Gee Industries Inc | West Chester | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| DCDiplomat Closet Design, INC. | West Chester | PA | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| ESElmark Sign Company, LLC | West Chester | PA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| GPGateway Partners, LLC | West Chester | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| KCKomorowski Construction Company | West Chester | PA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| LSLucky Sign Shop Inc. | West Chester | PA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| MLMain Line Wine Company | West Chester | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◇ UNVERIFIED |
| MPMojos Pop Co | West Chester | PA | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| PCPeloton Cold Brew, LLC | West Chester | PA | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| RLReneuxit, LLC | West Chester | PA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| R8Rkm 800 LLC | West Chester | PA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SISnyder's-lance, INC. | West Chester | PA | Food Manufacturing311919 | — | ◇ UNVERIFIED |