| Business | Phone |
| Cianbro 675 Quaker Hill Rd, Union Bridge 21791 | (410) 848-8274 |
| Devilbiss Construction Co 4020 Middleburg Rd, Union Bridge 21791 | (410) 848-3272 |
| H & M Construction Corp 675 Quaker Hill Rd, Union Bridge 21791 | (410) 775-0205 |
| Plunkert Construction Co Inc 13410 New Windsor Rd, Union Bridge 21791 | (410) 875-2020 |
| Ross Contracting Inc 11 Whyte St, Union Bridge 21791 | (410) 775-7946 |
| Stambaugh's Inc 1 Railroad Ave, Union Bridge 21791 | (410) 775-2363 |