| Physicians & Surgeons-MD- Gastroenterology | 321 |
| (Digestive Disorders) |
| Physicians & Surgeons-MD- General Practice | 321 |
| Physicians & Surgeons-MD- Gynecology | 321 |
| Physicians & Surgeons-MD- Gynecology & | 321 |
| Obstetrics |
| Physicians & Surgeons-MD- Hypertension (High | 321 |
| Blood Pressure) |
| Physicians & Surgeons-MD-Internal Medicine | 321 |
| Physicians & Surgeons-MD- Maxillofacial & | 322 |
| Facial Cosmetic Surgery |
| Physicians & Surgeons-MD- Nephrology | 322 |
| (Kidneys) |
| Physicians & Surgeons-MD- Neurology | 322 |
| Physicians & Surgeons-MD- Neurosurgery | 322 |
| Physicians & Surgeons-MD- Obstetrics | 322 |
| Physicians & Surgeons-MD- Obstetrics & | 322 |
| Gynecology |
| Physicians & Surgeons-MD- Occupational | 322 |
| Medicine |
| Physicians & Surgeons-MD- Ophthalmology | 323 |
| (Eyes) |
| Physicians & Surgeons-MD- Orthopedics (Bone | 324 |
| & Joint) |
| Physicians & Surgeons-MD- Otolaryngology (Ear | 325 |
| & Throat) |
| Physicians & Surgeons-MD- Otorhinolaryngology | 326 |
| (Ear, Nose & Throat) |
| Physicians & Surgeons-MD-Pain Management | 328 |
| Physicians & Surgeons-MD- Pediatrics-Surgery | 329 |
| Physicians & Surgeons-MD-Pediatrics | 329 |
| Physicians & Surgeons-MD- Psychiatry | 330 |
| Physicians & Surgeons-MD- Pulmonary | 330 |
| Diseases |
| Physicians & Surgeons-MD- Rheumatology | 330 |
| (Arthritis) |
| Physicians & Surgeons-MD-Plastic & | 330 |
| Reconstructive Surgery |
| Physicians & Surgeons-MD-Radiation Oncology | 330 |
| Physicians & Surgeons-MD-Radiology | 330 |
| Physicians & Surgeons-MD-Sports Medicine | 330 |
| Physicians & Surgeons-MD-Surgery | 330 |
| Physicians & Surgeons-MD-Surgery- General | 330 |
| Physicians & Surgeons-MD-Surgery- | 330 |
| Gynecology |
| Physicians & Surgeons-MD-Surgery- Hand | 330 |
| Physicians & Surgeons-MD-Surgery- | 330 |
| Ophthalmology |
| Physicians & Surgeons-MD-Surgery- Orthopedic | 331 |
| Physicians & Surgeons-MD-Surgery- Plastic | 331 |
| Physicians & Surgeons-MD-Surgery- Urological | 331 |
| Physicians & Surgeons-MD-Surgery- Vascular | 331 |
| Physicians & Surgeons-MD-Urology (Urinary | 331 |
| Tract) |
| Pianos | 331 |
| Pianos-Tuning, Repairing & Refinishing | 331 |
| Picture Frames-Dealers | 331 |
| Picture Framing Supplies | 331 |
| Piercing-Ear & Body | 331 |
| Pile Driving | 331 |
| Pilot Car Service | 332 |
| Pipe | 332 |
| Pipe Cutting & Threading | 332 |
| Pipe Fittings | 332 |
| Pipe Inspection | 332 |
| Pipe Locating Equipment | 332 |
| Pipe Thread Protectors | 332 |
| Pipeline Companies | 332 |
| Pipeline Contractors | 332 |