| 301 | Telemetric Cables | Company Product |
| 302 | Telemetry Systems | Company Product |
| 303 | Telephone Accessories | Company Product |
| 304 | Telephone Answering | Company Product |
| 305 | Telephone Answering & Recording Equipment | Company Product |
| 306 | Telephone Answering Equipment | Company Product |
| 307 | Telephone Answering Services | Company Product |
| 308 | Telephone Automatic Answering Equipment | Company Product |
| 309 | Telephone Cable Contractors | Company Product |
| 310 | Telephone Cables | Company Product |
| 311 | Telephone Cleaning | Company Product |
| 312 | Telephone Cost Control Systems | Company Product |
| 313 | Telephone Equipment & Systems | Company Product |
| 314 | Telephone Line Tester | Company Product |
| 315 | Telephone Operator Headsets | Company Product |
| 316 | Telephone Sockets | Company Product |
| 317 | Telephone Test Sets | Company Product |
| 318 | Telephones | Company Product |
| 319 | Teleporter | Company Product |
| 320 | Teleporter Forklift | Company Product |
| 321 | Teleprinter Paper Rolls | Company Product |
| 322 | Telescopes | Company Product |
| 323 | Telescopic Boom Lift | Company Product |
| 324 | Telescopic Boom Lifts | Company Product |
| 325 | Telescopic Booms | Company Product |
| 326 | Telescopic Booms Rental | Company Product |
| 327 | Telescopic Boxes | Company Product |
| 328 | Telescopic Cranes | Company Product |
| 329 | Telescopic Crawler Cranes | Company Product |
| 330 | Telescopic Fork | Company Product |