| Business | Phone |
| Bay Engineering 190 Admiral Cochrane Dr # 175, Annapolis 21401 | (410) 897-9290 |
| Bowman Consulting Group Ltd 2530 Riva Rd # 200, Annapolis 21401 | (410) 224-7590 |
| C D Meekins & Assoc Inc 159 Main St # 2, Annapolis 21401 | (410) 267-0744 |
| Design Teams Inc 20 Ridgely Ave # 311, Annapolis 21401 | (410) 269-0534 |
| Drum Loyka & Assoc 209 West St # 203, Annapolis 21401 | (410) 280-3122 |
| Gamma Engineering 1203 West St # A, Annapolis 21401 | (410) 626-1070 |
| Messick & Assoc Inc 31 Old Solomons Island Rd #201, Annapolis 21401 | (410) 266-3212 |
| Newfields Water Resources 116 Defense Hwy, Annapolis 21401 | (410) 897-0897 |
| Ronald W Johnson Assoc Inc 2661 Riva Rd # 420, Annapolis 21401 | (410) 841-5221 |
| Ueci 522 Epping Forest Rd, Annapolis 21401 | (410) 849-3101 |
| Mark B Weber Pe 1918 Forest Dr, Annapolis 21401 | (410) 268-2288 |
| Mark Weber Pe 2661 Riva Rd, Annapolis 21401 | (410) 266-8025 |