| CSCleveland Steel Container/quakertown | Quakertown | PA | Fabricated Metal Product Manufacturing332431 | 20-99 | ◐ LIKELY ACTIVE |
| OLOldcastle Lawn & Garden/quakertown | Quakertown | PA | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| MAMcadoo & Allen Div Quaker Color Div Mcadoo & Allen Div | Quakertown | PA | Chemical Manufacturing325130 | — | ◐ LIKELY ACTIVE |
| ARAssociated Rubber | Quakertown | PA | Textile Mills313320 | — | ◐ LIKELY ACTIVE |
| CCCaliber Collision Center - Quakertown 3777 | Quakertown | PA | Plastics and Rubber Products Manufacturing326150 | — | ◐ LIKELY ACTIVE |
| PSParticle Size Tech/quakertown | Quakertown | PA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| PPowdersize | Quakertown | PA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| VTView Thru Technologies, INC. | Quakertown | PA | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| ADAvery Dennison Fasson Roll Division | Quakertown | PA | Paper Manufacturing322220 | — | ◐ LIKELY ACTIVE |
| FNFibermark North America INC | Quakertown | PA | Paper Manufacturing322220 | — | ◐ LIKELY ACTIVE |
| FTFischers Tuxedo/quakertown | Quakertown | PA | Paper Manufacturing322224 | — | ◐ LIKELY ACTIVE |
| IMInfinite Manufacturing Group INC | Quakertown | PA | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| RDRr Donnelley / Quakertown | Quakertown | PA | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| URUnion Roto-graving/quakertown | Quakertown | PA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ALAl-Marwa L. L. C. | Quakertown | PA | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| AMARCH Medical Solutions Lehigh Valley-Quakertown | Quakertown | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| DMDhl Machine & Tool (division of Derbyshire Machine & Tool) | Quakertown | PA | Fabricated Metal Product Manufacturing332913 | 1-19 | ◐ LIKELY ACTIVE |
| DUDiatome US Joint Venture | Quakertown | PA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| DGDoan Gang Distillery, LLC | Quakertown | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| IQInteger, QKP | Quakertown | PA | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| IQInteger, QKT | Quakertown | PA | Miscellaneous Manufacturing339112 | 20-99 | ◐ LIKELY ACTIVE |
| JPJohn Prosock Machine Inc | Quakertown | PA | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| KSKlover SEPA Inc. (Prefab Division) | Quakertown | PA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| KFKnauss Foods | Quakertown | PA | — | — | ◐ LIKELY ACTIVE |
| KFKnauss Foods Harley's Pet Treats | Quakertown | PA | Food Manufacturing311111 | 20-99 | ◐ LIKELY ACTIVE |
| LELabonge Estates Winery LLC | Quakertown | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LHLyons Health Labs Holdco, LLC | Quakertown | PA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| QCQuaker Color Inc | Quakertown | PA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| QQuakertown | Quakertown | PA | Wood Product Manufacturing321999 | 20-99 | ◐ LIKELY ACTIVE |
| SSaint-Gobain | Quakertown | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SASimmons Animal Nutritionquakertown | Quakertown | PA | Food Manufacturing311613 | 20-99 | ◐ LIKELY ACTIVE |
| TFThe Farm Distillery LLC | Quakertown | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TOTheobald & Oppenheimer | Quakertown | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TSThe Secant Group - Quakertown | Quakertown | PA | Textile Mills313210 | 100-499 | ◐ LIKELY ACTIVE |
| URUnami Ridge Winery | Quakertown | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| USUnited States Cold Storage | Quakertown | PA | — | — | ◐ LIKELY ACTIVE |
| USUnited States Cold Storage LLc | Quakertown | PA | — | — | ◐ LIKELY ACTIVE |
| VBVino By Zzino, LLC | Quakertown | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |