| MMManildra Milling CO | Hamburg | IA | Food Manufacturing311221 | 20-99 | ◐ LIKELY ACTIVE |
| KMKore Mart Limited | Hamburg | PA | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
Qualibre, INC | Hamburg | NJ | Printing and Related Support Activities323117 | — | ◐ 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 |
| SPStaub Precision Machine | Hamburg | NY | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| LCLehigh Cement/hamburg Packaging Plt | Hamburg | PA | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
Precision Photo-fab INC Dba Switzer | Hamburg | NY | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AIAbasco INC | Hamburg | NY | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| CDClaremont Distilled Spirits INC | Hamburg | NJ | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| CPClark's Poultry and Seafood | Hamburg | NY | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| CDCork Dork Wine | Hamburg | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| ENE-One NY | Hamburg | NY | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| FMFlexible Metal Inc. | Hamburg | MI | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| HBHamburg Brewing Company, LLC | Hamburg | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HIHamburg IA Bulk | Hamburg | IA | Food Manufacturing311999 | 100-499 | ◐ 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 |
| LSLadonna Swan INC | Hamburg | NY | Miscellaneous Manufacturing339999 | — | ◐ 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 |
| PVPellicano Vineyard INC | Hamburg | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TTTen Thousand Vines | Hamburg | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| THThermotec - Hamburg | Hamburg | PA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| TBThree Bear Meadery, LLC | Hamburg | NY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TPTimber Producers Selma Sawmill Division, LLC | Hamburg | AR | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |