| Business | Phone |
| Cell Technology Inc 8980 Old Annapolis # L, Columbia 21045 | (410) 715-2170 |
| Dna Quest 6935 Oakland Mills Rd # C, Columbia 21045 | (410) 309-1101 |
| Labcorp 2 Knoll North Dr, Columbia 21045 | (410) 964-1620 |
| Laboratory Corp Of America 2 Knoll North Dr # 2, Columbia 21045 | (410) 997-7648 |
| Proscan Imaging Columbia 8827 Centre Park Dr, Columbia 21045 | (410) 772-3232 |
| Quest Diagnostics Inc 11055 Little Patuxent Pkwy, Columbia 21044 | (410) 740-0063 |
| Surgi-Vision Inc 9250 Rumsey Rd # 100, Columbia 21045 | (410) 730-8998 |