| AFAccurate Forming, LLC | Hamburg | NJ | Primary Metal Manufacturing331491 | 20-99 | ● ACTIVE |
| EMEngineered Materials Solutions Hamburg Facility | Hamburg | PA | Primary Metal Manufacturing331221 | 20-99 | ● ACTIVE |
K & H Industries, INC. | Hamburg | NY | Electrical Equipment, Appliance & Component Manufacturing335110 | 20-99 | ● ACTIVE |
| MMManildra Milling CO | Hamburg | IA | Food Manufacturing311221 | 20-99 | ◐ LIKELY ACTIVE |
| KMKore Mart Limited | Hamburg | PA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| AIAbasco INC | Hamburg | NY | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| HBHamburg Brewing Company, LLC | Hamburg | NY | Beverage and Tobacco Product Manufacturing312130 | 20-99 | ◐ LIKELY ACTIVE |
| HMHamburg Mfg Inc/hamburg Plow Works Plt | Hamburg | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| FFFairmount Foundry Inc. | Hamburg | PA | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| QMQuest Manufacturing, Inc. | Hamburg | NY | Fabricated Metal Product Manufacturing332919 | 20-99 | ◐ LIKELY ACTIVE |
| PMProgressive Metal Forming INC | Hamburg | MI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◇ UNVERIFIED |
| SPStaub Precision Machine | Hamburg | NY | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TPTimber Producers Selma Sawmill Division, LLC | Hamburg | AR | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| ENE-One NY | Hamburg | NY | Transportation Equipment Manufacturing336120 | 20-99 | ◐ LIKELY ACTIVE |
| HPHamburg Plow Works Inc. | Hamburg | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| NBNiagara Bottling, LLC - Hamburg | Hamburg | PA | Beverage and Tobacco Product Manufacturing312112 | 20-99 | ◐ LIKELY ACTIVE |