| Business | Phone |
| A E Brodhurst Corp 8808 Centre Park Dr, Columbia 21045 | (410) 992-0474 |
| Adecco Technical Employment 9861 Brokenland Pkwy # 105, Columbia 21046 | (410) 290-3262 |
| Columbia Staffing Svc Inc 8640 Guilford Rd # 202, Columbia 21046 | (410) 381-1919 |
| Delta-T Group Md Inc 10632 Little Patuxent Pky #110, Columbia 21044 | (410) 720-0420 |
| Dunhill Staffing Systems 7185 Columbia Gateway Dr, Columbia 21046 | (301) 596-2325 |
| Kelly Services Inc 8850 Stanford Blvd # 2700, Columbia 21045 | (410) 872-9065 |
| Manpower Temporary Svc 5950 Symphony Woods Rd # 616, Columbia 21044 | (410) 997-0200 |
| Pro Staff Accounting 8825 Stanford Blvd, Columbia 21045 | (410) 285-0123 |
| Quotient Inc 6315 Hillside Ct # E, Columbia 21046 | (410) 309-9000 |
| Randstad 7060 Oakland Mills Rd # P, Columbia 21046 | (301) 621-3710 |
| Salsbury & Assoc Personnel Inc 10480 Little Patuxent Pky #400, Columbia 21044 | (410) 740-8786 |
| Sparks 10025 Governor Warfield Pkwy, Columbia 21044 | (410) 740-8009 |
| Spherion 9891 Brokenland Pkwy # 401, Columbia 21046 | (410) 290-5755 |
| Tac Worldwide 10632 Little Patuxent # 337, Columbia 21044 | (410) 740-1735 |