| Business | Phone |
| T & W Employer Svc Inc 6100 Channingway Blvd # 4, Columbus 43232 | (614) 864-2510 |
| Simon Co Svc 30 Northwoods Blvd, Columbus 43235 | (614) 430-3878 |
| Simon Compensation Svc Co 30 Northwoods Blvd, Columbus 43235 | (614) 442-1414 |
| Compensation Specialists Co 395 E Broad St # 310, Columbus 43215 | (614) 461-0004 |
| Premier Managed Care 30 Northwoods Blvd, Columbus 43235 | (614) 430-3650 |
| Ohio Employee Health Prtnrshp 1105 Schrock Rd # 210, Columbus 43229 | (614) 885-0039 |
| Gates Mc Donald & Co 215 N Front St, Columbus 43215 | (614) 677-3700 |
| Medquest Evaluators 9222 Stream Pebble Dr, Columbus 43240 | (614) 430-0330 |
| Medvopro Inc Po Box 341950, Columbus 43234 | (614) 451-3715 |