| 2411 | Tanning agents, inorganic, manufacturing | |
| 2411 | Tanning agents, synthetic organic, manufacturing | |
| 1820 | Tanning and currying furs | |
| 2411 | Tanning extracts and materials, natural, manufacturing | |
| 1911 | Tanning hides and skins | |
| 9309 | Tanning salon | |
| 5150 | Tanning studio equipment and supplies, wholesale | |
| 1320 | Tantalite mining | |
| 1320 | Tantalum ore dressing and beneficiating | |
| 1320 | Tantalum ore mining | |
| 2720 | Tantalum smelting and primary refining | |
| 9214 | Tap dance companies | |
| 5520 | Tap rooms (drinking places) | |
| 2429 | Tape cleaners, magnetic, computer peripheral equipment, manufacturing | |
| 3000 | Tape dispensers, off, manufacturing | |
| 5150 | Tape dispensing machines, wholesale | |
| 9211 | Tape distribution for television | |
| 3312 | Tape measures, metal, manufacturing | |
| 5139 | Tape players and recorders, household, wholesale | |
| 3230 | Tape players and recorders, household-type, manufacturing | |
| 7130 | Tape recorder rental | |
| 5260 | Tape recorder repair | |
| 5233 | Tape recorders and players, retail | |
| 5139 | Tape recorders, wholesale | |
| 1712 | Tape slitting for the trade (i.e., cutting plastic, leather, other materials into widths) | |
| 3000 | Tape storage units (e.g., drives, backups), computer peripheral equipment, manufacturing | |
| 9211 | Tape transfer service | |
| 2423 | Tape, medical adhesive, manufacturing | |
| 5131 | Tape, textile, wholesale | |
| 2913 | Tapered roller bearings, manufacturing | |
| 2109 | Tapes (e.g., adding machine, calculator, cash register), made from purchased paper | |
| 2109 | Tapes (e.g., cellophane, masking, pressure sensitive), gummed, made from purchased paper or other materials | |
| 5233 | Tapes and cassettes, pre-recorded (audio), retail | |
| 5139 | Tapes or cassettes, music, wholesale | |
| 5150 | Tapes, audio and video recording, wholesale | |
| 5139 | Tapes, audio prerecorded, wholesale | |
| 2429 | Tapes, magnetic recording (i.e., audio, data, video), blank, manufacturing | |
| 1729 | Tapes, nonwoven fabric, manufacturing | |
| 3312 | Tapes, surveyors', manufacturing | |
| 1729 | Tapes, varnished and coated (except magnetic), made from purchased fabric | |