| ASAmple Sheet Metal, INC. | Hanover | MD | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| HAHanover Armory, LLC | Hanover | MD | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| NGNorthrop Grumman Corporation | Hanover | MD | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| TAThe Annapolis Chocolate Company, Incorporated | Hanover | MD | Food Manufacturing311330 | 20-99 | ◐ LIKELY ACTIVE |
| KFKop Flex | Hanover | MD | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| ATAllied Trading Inc. | Hanover | MD | Electrical Equipment, Appliance & Component Manufacturing335313 | 100-499 | ◐ 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 |
| ECEast Coast Medical, LLC | Hanover | MD | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| ECEaton Corporation | Hanover | MD | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◐ LIKELY ACTIVE |
| ESElite Spice: Magellan | Hanover | MD | Food Manufacturing311942 | 20-99 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Information Technology, INC | Hanover | MD | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| HSHanover Satellite Assembly | Hanover | MD | Electrical Equipment, Appliance & Component Manufacturing335313 | 20-99 | ◐ LIKELY ACTIVE |
| HPHolly Poultry, Inc. | Hanover | MD | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| LHLaitram Hanover | Hanover | MD | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| MHMD, Hanover - 7468 Candlewood Rd, (IMS-M) | Hanover | MD | Computer and Electronic Product Manufacturing334511 | 20-99 | ◐ LIKELY ACTIVE |
| RPRiverside Printing Services, INC | Hanover | MD | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| SSScientific Specialties Service INC | Hanover | MD | Nonmetallic Mineral Product Manufacturing327213 | — | ◐ LIKELY ACTIVE |