| ACCIDENT & INJURY CHIROPRACTIC REHAB CENTER, INC. | Organization | LANCASTER |
| APPLE OCCUPATIONAL HEATLH SERVICES, INC. | Organization | ELLWOOD CITY |
| BECHTEL BETTIS, INC. | Organization | WEST MIFFLIN |
| CANONSBURG GENERAL HOSPITAL | Organization | CANONSBURG |
| CNS OCCUPATIONAL HEALTH LLC | Organization | HARRISBURG |
| CNS OCCUPATIONAL HEALTH LLC | Organization | LITITZ |
| CONCENTRA HEALTH CENTERS, INC. | Organization | PITTSBURGH |
| CONCENTRA HEALTH SERVICES INC | Organization | ASPINWALL |
| CONCORDE, INC. | Organization | PHILADELPHIA |
| DISA GLOBAL SOLUTIONS, INC | Organization | WILLIAMSPORT |
| DOMINION THERAPY SERVICES, LLC | Organization | LIGONIER |
| ELITE EFFECTS LLC | Organization | WILLIAMSPORT |
| EXCELA HEALTH-INCWELL | Organization | GREENSBURG |
| FIRST AVENUE OCCUPATIONAL MEDICINE, LLC | Organization | KING OF PRUSSIA |
| GEISINGER COMMUNITY HEALTH SERVICES | Organization | WILKES BARRE |
| HANOVER HOSPITAL INC. | Organization | HANOVER |
| HAZLETON GENERAL HOSPITAL OCCUPATIONAL HEALTH | Organization | HAZLETON |
| HEALTHMARK, INCORPORATED | Organization | PHILADELPHIA |
| HEININGER HEALTH CARE, LLC | Organization | WILLOW GROVE |
| JOHN K. ESHLEMAN, D.O., LLC | Organization | PHILADELPHIA |
| LAUREL MANAGEMENT SERVICES | Organization | WELLSBORO |
| LEHIGH VALLEY PHYSICIAN GROUP | Organization | PITTSTON |
| MEADVILLE MEDICAL CENTER | Organization | MEADVILLE |
| MED CENTER 100 | Organization | EXTON |
| MID-STATE OCCUPATIONAL HEALTH SERVICES, INC. | Organization | BLOOMSBURG |
| MID-STATE OCCUPATIONAL HEALTH SERVICES, INC. | Organization | WILKES BARRE |
| MID-STATE OCCUPATIONAL HEALTH SERVICES, INC. | Organization | LEWISBURG |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | EXTON |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | LANGHORNE |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | ESSINGTON |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | KING OF PRUSSIA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | PHILADELPHIA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | READING |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | HUNTINGDON VALLEY |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | PHILADELPHIA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | EPHRATA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | PHILADELPHIA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | HARRISBURG |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | LANCASTER |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | MECHANICSBURG |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | HARRISBURG |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | PITTSBURGH |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | WILKES-BARRE |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | LANCASTER |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | LEESPORT |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | MECHANICSBURG |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | EPHRATA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST P.A. | Organization | ALLENTOWN |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST PA | Organization | PITTSBURGH |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST PA | Organization | YORK |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A. (PA) | Organization | READING |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A. (PA) | Organization | PHILADELPHIA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A. (PA) | Organization | ERIE |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A. (PA) | Organization | CARLISLE |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A. (PA) | Organization | PHILADELPHIA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A. (PA) | Organization | PLYMOUTH MEETING |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A., P.C. | Organization | READING |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A., P.C. | Organization | PHILADELPHIA |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, P.A., P.C. | Organization | LANCASTER |
| OCCUPATIONAL HEALTH CENTERS OF THE SOUTHWEST, PA | Organization | BETHLEHEM |