| 301 | Telecommunication Equipment | Company Product |
| 302 | Telecommunication Equipment Disposal | Company Product |
| 303 | Telecommunication Services | Company Product |
| 304 | Telecommunications | Company Product |
| 305 | Telecrane Remote Control | Company Product |
| 306 | Teledyne | Company Product |
| 307 | Telehandler Forklift | Company Product |
| 308 | Telehandlers | Company Product |
| 309 | Telehandlers, Earth-Moving Equipment | Company Product |
| 310 | Telehealth Platform Development | Company Product |
| 311 | Telemarketing Services | Company Product |
| 312 | Telemetric Cables | Company Product |
| 313 | Telemetry Systems | Company Product |
| 314 | Telephone Accessories | Company Product |
| 315 | Telephone Answering | Company Product |
| 316 | Telephone Answering & Recording Equipment | Company Product |
| 317 | Telephone Answering Equipment | Company Product |
| 318 | Telephone Answering Services | Company Product |
| 319 | Telephone Automatic Answering Equipment | Company Product |
| 320 | Telephone Cable Contractors | Company Product |
| 321 | Telephone Cables | Company Product |
| 322 | Telephone Cleaning | Company Product |
| 323 | Telephone Cost Control Systems | Company Product |
| 324 | Telephone Equipment & Systems | Company Product |
| 325 | Telephone Line Tester | Company Product |
| 326 | Telephone Operator Headsets | Company Product |
| 327 | Telephone Sockets | Company Product |
| 328 | Telephone Test Sets | Company Product |
| 329 | Telephones | Company Product |
| 330 | Teleporter | Company Product |