| Business | Phone |
| Army Corps Engineers 10 S Howard St, Baltimore 21201 | (410) 962-4500 |
| Contract Support Svc Inc 3000 Druid Park Dr, Baltimore 21215 | (410) 466-9710 |
| Coyote Engineering Group Inc 2823 Christopher Ave, Baltimore 21214 | (410) 254-7146 |
| Digital Control Solutions 2929 N Calvert St, Baltimore 21218 | (410) 889-4646 |
| Kittelson & Assoc Inc 36 S Charles St # 2204, Baltimore 21201 | (410) 347-9610 |
| Lanier Engineer 4705 Ritchie Hwy, Baltimore 21225 | (410) 789-6866 |
| Henry J Schlitzer 308 Stevenson Ln, Baltimore 21204 | (410) 337-8887 |
| Promenade Engineers Office 1001 Aliceanna St, Baltimore 21202 | (410) 752-2500 |
| Race Co Engineering 2720 Sisson St, Baltimore 21211 | (410) 366-7223 |
| Rummel Klepper & Kahl 81 W Mosher St, Baltimore 21217 | (410) 728-2900 |
| Sav Engineers Inc 111 Water St, Baltimore 21202 | (410) 528-6044 |
| Syncrude Africa Ltd 207 E Redwood St # 700, Baltimore 21202 | (410) 244-0060 |
| Us Army Corps Of Engineers 10 S Howard St # 9000, Baltimore 21201 | (410) 962-3423 |
| Vector Dynamics 2835 Smith Ave # G, Baltimore 21209 | (410) 653-5335 |
| G Robert Davidson Assoc Inc 8105 Rider Ave, Baltimore 21204 | (410) 337-7070 |
| Haven Corp 6630 Quad Ave, Baltimore 21237 | (410) 485-6801 |
| Jacobs Facilities Inc 110 E Perimeter Dr, Baltimore 21207 | (410) 277-9644 |