| CFCrown Food Packaging | Hanover | PA | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| RHR H Sheppard CO INC | Hanover | PA | Primary Metal Manufacturing331511 | — | ◐ LIKELY ACTIVE |
| TPTreehouse Private Brands | Hanover | PA | Food Manufacturing311821 | 100-499 | ◐ LIKELY ACTIVE |
| ASAmple Sheet Metal, INC. | Hanover | MD | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| DWDel Wood Cabinet Mfg Hanover | Hanover | PA | Furniture and Related Product Manufacturing337110 | — | ◐ 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 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 |
| 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 |
| SISturtevant INC | Hanover | MA | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| SESwam Electric | Hanover | PA | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ◐ LIKELY ACTIVE |
| TAThe Annapolis Chocolate Company, Incorporated | Hanover | MD | Food Manufacturing311330 | 20-99 | ◐ LIKELY ACTIVE |
| TEThe Esab Group, INC. | Hanover | PA | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| UQUtz Quality Foods INC | Hanover | PA | Food Manufacturing311919 | — | ◐ LIKELY ACTIVE |
| WLWhisler Laundry & Dry Clnr | Hanover | PA | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
Aquaphoenix Scientific LLC | Hanover | PA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| DPDartmouth Printing Company | Hanover | NH | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| GFG&s Foods Llc/hanover | Hanover | PA | Food Manufacturing311919 | — | ◐ LIKELY ACTIVE |
| HPHanover Prest Paving Brick Plt | Hanover | PA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| KFKop Flex | Hanover | MD | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| LFLeisters Furniture INC | Hanover | PA | Furniture and Related Product Manufacturing337122 | — | ◐ 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 |
| PCPrecision Cut Industries INC | Hanover | PA | Fabricated Metal Product Manufacturing332119 | — | ◐ 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 |
| 1G15 Great Hollow | Hanover | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| 9G9 Great Hollow | Hanover | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| ATAllied Trading Inc. | Hanover | MD | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ LIKELY ACTIVE |
| AHAquaPhoenix Hanover HQ - PA | Hanover | PA | Chemical Manufacturing325998 | 100-499 | ◐ LIKELY ACTIVE |
| APArmorboard Products LLC | Hanover | PA | Paper Manufacturing322219 | 20-99 | ◐ LIKELY ACTIVE |
| AKAuny Kitty's | Hanover | NJ | Food Manufacturing311421 | 20-99 | ◐ LIKELY ACTIVE |
| BBBackyard Buddy, LLC | Hanover | PA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| BCBg Custom Designs, LLC | Hanover | PA | Miscellaneous Manufacturing339910 | — | ◐ LIKELY ACTIVE |
| CLCarter Lumber Door Millwork Hub 389 | Hanover | PA | Wood Product Manufacturing321911 | 20-99 | ◐ LIKELY ACTIVE |
| CTCea Technologies INC | Hanover | MD | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| CCCiena CORP | Hanover | MD | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| CGCiena Government Solutions INC | Hanover | MD | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| CMConewago Manufacturing | Hanover | PA | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| DGDawg Gone Bees LLC | Hanover | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DLDompa LLC | Hanover | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |