| Swimming Instruction | 444 |
| Swimming Pool Contractors, Dealers & Designers | 444 |
| Swimming Pool Enclosures | 444 |
| Swimming Pool Equipment & Supplies | 444 |
| Swimming Pool Equipment & Supplies- Whsle | 444 |
| Swimming Pool Service & Repair | 444 |
| Synagogues | 445 |
| Synagogues-Messianic | 445 |
| T |
| Table Pads | 445 |
| Tables-Folding | 445 |
| Tailors | 445 |
| Talent Agencies & Casting Services | 445 |
| T-Shirts | 445 |
| Tank Installation & Removal | 446 |
| Tanks-Fiberglass, Plastic, Etc | 446 |
| Tanks-Metal | 446 |
| Tanning Salons | 446 |
| Tarpaulins | 446 |
| Tattooing | 446 |
| Tattoos-Removed | 446 |
| Taverns | 446 |
| Tax Reporting Service | 446 |
| Tax Return Preparation | 446 |
| Taxes-Consultants, Representatives | 447 |
| Taxicabs | 447 |
| Technology-Research & Development | 447 |
| Telecommunications Contractors | 447 |
| Telecommunications Equipment & Supplies | 447 |
| Teleconferencing Service | 447 |
| Telemarketing Services | 447 |
| Telephone Answering Service | 447 |
| Telephone Calling Cards | 448 |
| Telephone Communications Services | 448 |
| Telephone Companies | 448 |
| Telephone-Coin & Card Operated | 448 |
| Telephone & Television Cable Contractors | 449 |
| Telephone Equipment & Systems- Service & | 449 |
| Repair |
| Telephone Equipment & Systems- Supplies & | 449 |
| Parts |
| Telephone Equipment & Systems-Dealers | 449 |
| Telephone Service-Long Distance | 449 |
| Television & Radio-Dealers | 449 |
| Television & Radio-Service & Repair | 449 |
| Television Program Producers | 449 |
| Television-Cable, CATV, Satellite & Fiber | 449 |
| Television Stations & Broadcasting Companies | 450 |
| Television Systems & Equipment- Closed Circuit | 452 |
| Temples | 452 |
| Tennis Courts-Public | 452 |
| Tennis Equipment & Supplies | 452 |
| Tennis Instruction | 452 |
| Tents | 452 |
| Tents-Renting | 452 |
| Termite Damage Restoration | 452 |
| Termite Inspections | 452 |
| Textile Consultants | 452 |
| Theatres | 454 |
| Theatres-Outdoor Drama | 454 |