| DPDartmouth Printing Company | Hanover | NH | Printing and Related Support Activities323111 | 100-499 | ◐ LIKELY ACTIVE |
| FDFabrication Designs, INC. | Hanover | MD | Fabricated Metal Product Manufacturing332321 | 20-99 | ▲ REPORTED CLOSED |
| GDGraphic Developments INC | Hanover | MA | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| PTPlug Technologies, Inc. | Hanover | MN | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |
| SSStoughton Steel | Hanover | MA | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| RMRustic Marlin | Hanover | MA | Wood Product Manufacturing321999 | 20-99 | ◇ UNVERIFIED |
| DWDel Wood Cabinet Mfg Hanover | Hanover | PA | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
Emeco Industries INC | Hanover | PA | Furniture and Related Product Manufacturing337214 | 20-99 | ◐ LIKELY ACTIVE |
| EHEsab Hanover Plant | Hanover | PA | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
| FVFergedaboudit Vineyard and Winery | Hanover | IL | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| GDGerard Daniel Worldwide/hanover Keystone Facility | Hanover | PA | Primary Metal Manufacturing331222 | — | ◐ LIKELY ACTIVE |
| HHanover | Hanover | PA | Fabricated Metal Product Manufacturing332431 | 20-99 | ◐ LIKELY ACTIVE |
| HAHanover Armory, LLC | Hanover | MD | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MCMcClarin Composites - Filbert | Hanover | PA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| MPMcclarin Plastics Llc/blettner Ave | Hanover | PA | Food Manufacturing311100 | — | ◐ LIKELY ACTIVE |
| NGNorthrop Grumman Systems Corporation | Hanover | MD | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| OPOx Paper Tube and Core, INC. | Hanover | PA | Paper Manufacturing322214 | 100-499 | ◐ LIKELY ACTIVE |
| PCPenn-Mar Castings LLC | Hanover | PA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| RSR.h. Sheppard Co., INC. | Hanover | PA | Fabricated Metal Product Manufacturing332322 | 500+ | ◐ LIKELY ACTIVE |
| RPRiverside Printing Services, INC | Hanover | MD | Printing and Related Support Activities323111 | 1-19 | ◐ LIKELY ACTIVE |
| SESchindler Elevator CORP | Hanover | PA | Machinery Manufacturing333921 | — | ◐ LIKELY ACTIVE |
| SASealed Air Corporation | Hanover | PA | Paper Manufacturing322120 | 100-499 | ◐ LIKELY ACTIVE |
| SPSonoco Plastics | Hanover | PA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| SESwam Elec Div Bj Baldwin Elec Inc/hanover | Hanover | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◐ LIKELY ACTIVE |
| TITecore, INC. | Hanover | MD | Computer and Electronic Product Manufacturing334220 | 20-99 | ▲ REPORTED CLOSED |
| WLWhisler Laundry & Dry Clnr | Hanover | PA | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
Aquaphoenix Scientific LLC | Hanover | PA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| ESElite Spice, INC | Hanover | MD | Food Manufacturing311942 | — | ◐ LIKELY ACTIVE |
| HPHanover Prest Paving Brick Plt | Hanover | PA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| JAJacobs Acquisition CO LLC | Hanover | PA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KFKop Flex | Hanover | MD | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| LFLeisters Furniture INC | Hanover | PA | Furniture and Related Product Manufacturing337122 | — | ◐ LIKELY ACTIVE |
| MPMcclarin Plastics LLC | Hanover | PA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| MPMidwest Products - Hanover Plant | Hanover | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| OIOxford Innovations | Hanover | PA | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| PCPackaging CORP of America | Hanover | PA | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| PTPressure Technology Incorporated | Hanover | MD | Plastics and Rubber Products Manufacturing326122 | 1-19 | ◐ LIKELY ACTIVE |
| SMStambaugh Metal Inc/hanover | Hanover | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| YMYork Materials Group Llc/hanover | Hanover | PA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| ACAcme Composites/hanover | Hanover | PA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| ANAmerican National Can CO | Hanover | PA | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
Carmeuse Lime INC. Hanover Op Erations | Hanover | PA | Food Manufacturing311942 | — | ◇ UNVERIFIED |
| CECoca-cola Enterprises | Hanover | MD | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| CTCri Tech | Hanover | MA | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| CICri-tech INC | Hanover | MA | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| EWEisenhart Wallcoverings Co/pine St Plt | Hanover | PA | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| GFG&s Foods Llc/hanover | Hanover | PA | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| HLHanover Lantern Inc/kindig Ln | Hanover | PA | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| JRJf Rohrbaugh CO INC | Hanover | PA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| MPMd Pharmaceutical Supply | Hanover | PA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |