| Business | Phone |
| Robertson Technologies Ltd 5751 Mount Hermon Church Rd, Salisbury 21804 | (410) 896-4224 |
| Tri-State Engineering Inc 217 Milford St, Salisbury 21804 | (410) 742-3156 |
| Germane Corp 2020 Shipley Dr, Salisbury 21801 | (410) 334-3826 |
| Mason Dixon Machining 2207 Northwood Dr, Salisbury 21801 | (410) 677-0557 |
| Msi Inc 635 Homer St, Salisbury 21804 | (410) 334-6140 |