| Business | Phone |
| Advanced Technology Solutions 4813 Seton Dr, Baltimore 21215 | (410) 358-3504 |
| Allen & Shariff Corp 1 N Charles St # 1901, Baltimore 21201 | (410) 223-2105 |
| Bme Systems Inc 3300 Hudson St, Baltimore 21224 | (410) 563-4200 |
| Burdette Koehler Murphy 2 Hamill Rd # 300, Baltimore 21210 | (410) 323-0600 |
| Carter & Burgess Inc 201 N Charles St # 910, Baltimore 21201 | (410) 727-6773 |
| Coastwatch Engineering & Plng 2400 Boston St # 408, Baltimore 21224 | (410) 732-2450 |
| Mueller Associates Ii Inc 1401 S Edgewood St # 1100, Baltimore 21227 | (410) 646-4500 |
| Northeast Engineering Inc 1055 Taylor Ave # 104, Baltimore 21286 | (410) 337-7465 |
| D W Kozera Inc 1408 Bare Hills Ave # 200, Baltimore 21209 | (410) 823-1060 |
| Daniel Consultants 4806 Seton Dr, Baltimore 21215 | (410) 764-3636 |
| Daniel Mann Johnson Mendenhall 1 South St # 2200, Baltimore 21202 | (410) 637-1700 |
| Diversified Engineering 4701 Mount Hope Dr, Baltimore 21215 | (410) 318-8929 |
| Dmjm Plus Harris 1 South St, Baltimore 21202 | (410) 576-1300 |
| Durkin Engineering Co 708 Dryden Dr, Baltimore 21229 | (410) 945-2455 |
| E A Engineering Science Tech 207 E Redwood St, Baltimore 21202 | (410) 468-4054 |
| Earth Tech Inc 7 Saint Paul St # 900, Baltimore 21202 | (410) 637-1600 |
| Eba Engineering Inc 4813 Seton Dr, Baltimore 21215 | (410) 358-7171 |
| F & H Consultants Inc Baltimore 21210 | (410) 889-2546 |
| Farrand & English Inc 416 Lyman Ave, Baltimore 21212 | (410) 435-3400 |
| Frederic R Harris 201 N Charles St # 2602, Baltimore 21201 | (410) 637-1700 |
| Gale Associates Inc 5550 Newbury St, Baltimore 21209 | (410) 664-0611 |
| Gower Thompson Inc 429 E Lake Ave, Baltimore 21212 | (410) 532-0101 |
| Intelect Corp 4000 Dillon St, Baltimore 21224 | (410) 327-0020 |
| Jack Dale Assoc 7110 Belair Rd, Baltimore 21206 | (410) 665-9400 |
| Jason M Turner Inc 6105 Maywood Ave, Baltimore 21209 | (410) 664-1234 |
| Rjm Engineering Inc 1521 S Edgewood St, Baltimore 21227 | (410) 525-2700 |
| John J Christie & Assoc 300 W Pratt St # 500, Baltimore 21201 | (410) 547-6968 |
| Johnson Consulting Engineers 130 W 25th St, Baltimore 21218 | (410) 235-0057 |
| Key Technologies Inc 40 E Cross St, Baltimore 21230 | (410) 385-0200 |
| Kovacs Whitney & Assoc 1216 Hull St, Baltimore 21230 | (410) 244-7191 |
| Krug Consulting Group 2736 N Calvert St, Baltimore 21218 | (410) 889-1971 |
| L F Inc 3201 Elliott St, Baltimore 21224 | (410) 327-4828 |
| Manufacturing & Technology 6001 Chemical Rd, Baltimore 21226 | (410) 354-0420 |
| Robert J Marcinkowski 6804 Brook Ave, Baltimore 21206 | (410) 426-3787 |
| Moffatt & Nichol Engineers 1629 Thames St, Baltimore 21231 | (410) 563-4330 |
| Alpha Corp 3700 Koppers St # 502, Baltimore 21227 | (410) 646-3044 |
| Newton Falls Design 5710 Bellona Ave, Baltimore 21212 | (410) 532-6369 |
| Avir Corp 6 Reservoir Cir # 103, Baltimore 21208 | (410) 486-2484 |
| Parsons Transportation Group 10 E Baltimore St, Baltimore 21202 | (410) 727-0395 |
| Professional Consulting Svc 715 E Ordnance Rd # 110, Baltimore 21226 | (410) 761-9889 |
| Railplan International Inc 1200 Bernard Dr, Baltimore 21223 | (410) 947-5900 |
| Ross Murphy Finkelstein Inc 190 W Ostend St # 300, Baltimore 21230 | (410) 576-0505 |
| M M Bessalel Pe 3 Lacosta Ct, Baltimore 21204 | (410) 321-1797 |
| Brimrose Corp Of America 7720 Belair Rd, Baltimore 21236 | (410) 668-5800 |
| Rummel Klepper & Kahl 601 N Calvert St, Baltimore 21202 | (410) 230-0130 |
| S C Myers & Assoc Inc 326 N Charles St # 208, Baltimore 21201 | (410) 332-4901 |
| Sheppard T Powell Assoc 1915 Aliceanna St, Baltimore 21231 | (410) 327-3500 |
| Century Engineering Inc 32 West Rd, Baltimore 21204 | (410) 823-8070 |
| Strategic Consulting Svc 100 S Charles St, Baltimore 21201 | (410) 752-9136 |
| Superior Engineered Inc 2217 Hollins Ferry Rd, Baltimore 21230 | (410) 625-8989 |
| Cognate Therapeutics 1448 S Rolling Rd, Baltimore 21227 | (410) 455-5599 |
| United Consultants Inc 5110 Belair Rd, Baltimore 21206 | (410) 325-4430 |
| Urs Corp 1801 Falls Rd # 3b, Baltimore 21201 | (410) 468-0875 |
| D S Thaler & Assoc 7115 Ambassador Rd, Baltimore 21244 | (410) 944-3647 |
| Vanderweil Engineers 231 E Baltimore St # 5, Baltimore 21202 | (410) 962-5222 |
| Edwards & Kelcey 1401 S Edgewood St # 1000, Baltimore 21227 | (410) 646-4505 |
| Emerging Materials Concepts 8600 Drumwood Rd, Baltimore 21286 | (443) 838-0633 |
| Gahagan & Bryant Assoc 9008 Yellow Brick Rd # O, Baltimore 21237 | (410) 682-5595 |
| Gipe Associates Inc 849 Fairmount Ave # 102, Baltimore 21286 | (410) 832-2420 |
| Henry Adams Inc 600 Baltimore Ave # 4, Baltimore 21204 | (410) 296-6500 |
| James Posey Assoc Inc 3112 Lord Baltimore Dr # 200, Baltimore 21244 | (410) 265-6100 |
| Kta-Tator 3700 Koppers St, Baltimore 21227 | (410) 644-6711 |
| Leach Wallace Assoc Inc 813 Maiden Choice Ln, Baltimore 21228 | (410) 536-4000 |
| Spears-Votta & Assoc Inc 7526 Harford Rd, Baltimore 21234 | (410) 254-5800 |
| Triangle Surveys 9654 Belair Rd, Baltimore 21236 | (410) 529-1332 |
| Tuhin Basu & Assoc Inc 3700 Koppers St, Baltimore 21227 | (410) 525-9375 |
| W Duvall Assoc 530 E Joppa Rd, Baltimore 21286 | (410) 583-9571 |