| Business | Phone |
| Allegiance Healthcare Corp 8855 Mcgaw Rd, Columbia 21045 | (410) 290-8500 |
| Hildenbrand International Inc 9689 Gerwig Ln # F, Columbia 21046 | (410) 381-7450 |
| Nucletron Corp 8671 Robert Fulton Dr, Columbia 21046 | (410) 312-4100 |
| Technicare Corp 2000 Century Plz, Columbia 21044 | (410) 997-4155 |
| Universal Hospital Svc Inc 9111 Guilford Rd, Columbia 21046 | (410) 724-2098 |