| Business | Phone |
| 7 Leaf Lab 400 E Pratt St, Baltimore 21202 | (410) 576-8836 |
| Baltimore Lab A Div 4906 Roland Ave, Baltimore 21210 | (410) 235-0734 |
| Cool Cab Co & Express Cab 5000 Wabash Ave # 103, Baltimore 21215 | (410) 578-0469 |
| Diversified Laboratory Repair 5711 York Rd, Baltimore 21212 | (410) 323-5900 |
| Lab Tlc 3227 Vickers Rd, Baltimore 21216 | (410) 225-2792 |
| Mayo Integrated Reference Syst 5820 York Rd, Baltimore 21212 | (410) 464-2383 |
| Ko Dental Lab 1713 Taylor Ave, Baltimore 21234 | (410) 882-9115 |