| Abbreviation | Definition |
|---|---|
| TKAC | The Kitchen Art Company |
| TKAC | Turn Key Air Conditioning |
| TKAP | Toyota Kirloskar Auto Parts |
| TKB | Thomas K. Bradshaw, C. P. A. |
| TKBC | The Kids Book Company |
| TKC | Team Karate Centers |
| TKC | The Keith Corporation |
| TKC | The Kuskokwim Corporation |
| TKC | Triumphant King Corporation |
| TKCD | Team Kirby Clash Deluxe |
| TKF | ThyssenKrupp Fördertechnik, GmbH. |
| TKF | Twentsche Kabel Fabriek |
| TKG | The Kelsey Group |
| TKG | The Kernel Group (acquired by Veritas) |
| TKG | The Knowledge Group |
| TKG | Tsuchiyama, Kaino, & Gibson, Inc. |
| TKG | Victor Tsuchiyama, Ken Kaino, Paul Gibson Consulting Engineers |
| TKH | Thomas Korte Haustechnik |
| TKH | Twentsche Kabel Holding N. V. |
| TKI | Teknowledge Industries |