| Business | Phone |
| Accountants Inc 8830 Stanford Blvd # 201, Columbia 21045 | (410) 872-9100 |
| Ad Net-Account Net 9192 Red Branch Rd # 260, Columbia 21045 | (301) 596-3195 |
| Apple One Employment Svc 8830 Stanford Blvd # 300, Columbia 21045 | (443) 285-0055 |
| Christian & Timbers 8840 Stanford Blvd, Columbia 21045 | (443) 393-0001 |
| Clovis Group 7070 Samuel Morse Dr # 140, Columbia 21046 | (410) 953-6940 |
| Elrey Inc 8640 Guilford Rd # 224, Columbia 21046 | (410) 309-6590 |
| Employment Resource Group Inc 8640 Guilford Rd, Columbia 21046 | (410) 531-3254 |
| Express Personnel Svc 5840 Banneker Rd # 100, Columbia 21044 | (410) 730-7700 |
| First Source Business Solution Columbia 21044 | (410) 730-8151 |
| G Davis & Assoc Inc 10440 Little Patuxent Pky #300, Columbia 21044 | (410) 740-5659 |
| Gci Inc 9175 Guilford Rd # 320, Columbia 21046 | (410) 724-5166 |
| Integrity 5657 Thunder Hill Rd, Columbia 21045 | (410) 992-4943 |
| Level One Personnel 10480 Little Patuxent Pkwy, Columbia 21044 | (410) 740-3030 |
| Officeteam 6996 Columbia Gateway Dr # 200, Columbia 21046 | (410) 720-5763 |
| Option One 7080 Samuel Morse Dr, Columbia 21046 | (410) 540-7000 |
| Porter Group 10320 Little Patuxent Pkwy, Columbia 21044 | (410) 992-7776 |
| Premier Placements 8815 Columbia 100 Pkwy, Columbia 21045 | (410) 884-3800 |
| Remedy Intelligent Staffing 10630 Little Patuxent # 115, Columbia 21044 | (410) 884-6116 |
| Robert Half Intl 9881 Brokenland Pkwy, Columbia 21046 | (410) 312-7446 |
| Search Group 8840 Stanford Blvd, Columbia 21045 | (443) 285-0900 |
| Ses Staffing Solutions Inc 6304 Woodside Ct, Columbia 21046 | (410) 761-5542 |
| Ses Strategic Edge Solutions 9881 Brokenland Pkwy # 302, Columbia 21046 | (410) 290-8335 |
| Sycom Services Inc 10480 Little Patuxent Pkwy, Columbia 21044 | (410) 740-3026 |
| Volt Services Group Inc 10500 Little Patuxent Pkwy, Columbia 21044 | (410) 715-3615 |