| 7411 | Title abstract companies, real estate | |
| 6603 | Title insurance | |
| 7411 | Title reconveyance companies, real estate | |
| 7411 | Title search companies, real estate | |
| 9211 | Titling of motion picture film or video | |
| 3312 | Titrimeters, manufacturing | |
| 2429 | TNT (trinitrotoluene), manufacturing | |
| 2930 | Toasters, electric (including sandwich toasters), manufacturing | |
| 5139 | Toasters, electric, wholesale | |
| 5122 | Tobacco (except leaf), wholesale | |
| 0111 | Tobacco and grain growing, combination | |
| 0111 | Tobacco and rye growing, combination | |
| 5110 | Tobacco auctioning, wholesale | |
| 0111 | Tobacco farming | |
| 0140 | Tobacco grading service | |
| 0111 | Tobacco growing | |
| 2921 | Tobacco harvesters, manufacturing | |
| 2023 | Tobacco hogsheads, manufacturing | |
| 0140 | Tobacco leaf grading service | |
| 1600 | Tobacco leaf processing and aging | |
| 0111 | Tobacco leaf, farm dried, growing | |
| 5121 | Tobacco leaf, raw, wholesale | |
| 0140 | Tobacco picking service | |
| 3699 | Tobacco pipes and parts, manufacturing | |
| 3699 | Tobacco pipes and pipestems (except hard rubber), manufacturing | |
| 1912 | Tobacco pouches (except metal), manufacturing | |
| 2925 | Tobacco processing machinery (except farm type), manufacturing | |
| 1600 | Tobacco products (e.g., chewing, smoking, snuff), manufacturing | |
| 1600 | Tobacco products, imitation (e.g., chewing, smoking, snuff), manufacturing | |
| 5122 | Tobacco products, wholesale | |
| 5110 | Tobacco products, wholesale agents and brokers | |
| 1600 | Tobacco sheeting services | |
| 1600 | Tobacco stemming and redrying | |
| 5220 | Tobacco stores and stands | |
| 6302 | Tobacco warehousing, storage | |
| 0111 | Tobacco, corn and beans growing, combination | |
| 5122 | Tobacco, cured or processed, wholesale | |
| 5121 | Tobacco, leaf (including exporters), wholesale | |
| 5121 | Tobacco, leaf, wholesale | |
| 5220 | Tobacconists, retail | |