|
| 2892 | Teflon (TM) coating metals and metal products, for the trade | |
| 6420 | Telecommunication carrier, wired | |
| 6420 | Telecommunication network, wired | |
| 7310 | Telecommunication research and development | |
| 6420 | Telecommunication resellers | |
| 6420 | Telecommunication resellers (except satellite) | |
| 4520 | Telecommunication transmission lines, construction | |
| 6420 | Telecommunications carriers, cellular telephone | |
| 7421 | Telecommunications engineering consulting | |
| 4530 | Telecommunications equipment installation, contractors | |
| 3312 | Telecommunications line testing equipment, manufacturing | |
| 7414 | Telecommunications management consulting services | |
| 5150 | Telegraph equipment, wholesale | |
| 4520 | Telegraph line construction, general contractors | |
| 6420 | Telegraph services | |
| 7499 | Telemarketing bureaus | |
| 7499 | Telemarketing service on a contract or fee basis | |
| 3313 | Telemetering instruments, industrial process type, manufacturing | |
| 6420 | Telemetry and tracking system operation on a contract or fee basis | |
| 0200 | Telephone and telegraph poles, logging | |
| 3110 | Telephone and telegraph transformers, electronic component type, manufacturing | |
| 4530 | Telephone and telephone equipment installation, contractors | |
| 5150 | Telephone answering equipment, wholesale | |
| 3230 | Telephone answering machines, manufacturing | |
| 7499 | Telephone answering services | |
| 3610 | Telephone booths (except wood), manufacturing | |
| 7493 | Telephone booths, cleaning and maintenance of | |
| 3610 | Telephone booths, wood, manufacturing | |
| 7499 | Telephone call centre | |
| 3220 | Telephone carrier line equipment, manufacturing | |
| 6420 | Telephone carrier service | |
| 3220 | Telephone carrier switching equipment, manufacturing | |
| 6420 | Telephone carrier, facilities-based (except wireless) | |
| 6420 | Telephone communications carriers, satellite | |
| 6420 | Telephone communications carriers, wireless | |
| 6420 | Telephone communications resellers (except satellite) | |
| 6420 | Telephone communications, operation | |
| 8532 | Telephone counselling service | |
| 2221 | Telephone directories, printing without publishing | |
| 2211 | Telephone directories, publishers | |
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