| EMEngineered Materials Solutions Hamburg Facility | Hamburg | PA | Primary Metal Manufacturing331221 | 20-99 | ● ACTIVE |
| JJJoe Jurgielewicz & Son LTD | Hamburg | PA | Food Manufacturing311615 | 100-499 | ● ACTIVE |
| KMKore Mart Limited | Hamburg | PA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| FFFairmount Foundry Inc. | Hamburg | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| HMHamburg Mfg Inc/hamburg Plow Works Plt | Hamburg | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| HMHamburg Mfg Inc/plow Works Finishing | Hamburg | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| LCLehigh Cement/hamburg Packaging Plt | Hamburg | PA | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| BCBulk Chemicals INC | Hamburg | PA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IDIwco Direct/hamburg | Hamburg | PA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| JMJohn M Hill Mach CO | Hamburg | PA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| LALehigh Agricultural and Biological Services INC. | Hamburg | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| PSPennsylvania Steel Fndy & Machine CO | Hamburg | PA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| PBPrice Battery Lead Smelter | Hamburg | PA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| SCSociety Clnr/hamburg | Hamburg | PA | Food Manufacturing311824 | — | ◇ UNVERIFIED |
| CDCork Dork Wine | Hamburg | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HPHamburg Plow Works Inc. | Hamburg | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| IHIWCO Hamburg | Hamburg | PA | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| LLLucky Leprechaun Vineyard and Winery,LLC | Hamburg | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| NBNiagara Bottling, LLC - Hamburg | Hamburg | PA | Beverage and Tobacco Product Manufacturing312112 | 20-99 | ◐ LIKELY ACTIVE |
| THThermotec - Hamburg | Hamburg | PA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| FIFleetwood Ind Inc/logistics Dr | Hamburg | PA | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| KMKore Mart LTD | Hamburg | PA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |