| Sun Express Aviation Inc. Headquarter: Antalya Partnership structure: 50% Turkish Airlines - 49% Lufthansa AG - 1% Other | ![]() | Air Albania SHPK Headquarter: Arnavutluk Partnership structure: 49% Turkish Airlines - 41% MDN Investment 10% Albcontrol | ![]() | Turkish Airlines International Investment and Transportation Inc. Headquarter: Istanbul Partnership structure: 100% Turkish Airlines |
![]() | We Word Express Ltd. Headquarter: Hong-Kong Partnership structure: 45% Turkish Airlines - 45% ZTO - 10% PAL Air | ![]() | THY Hava Kargo Taşımacılığı A.Ş. Headquarter: Istanbul Partnership structure: 100% Turkish Airlines |
| Turkish Airlines Technical Inc. Headquarter: Istanbul Partnership structure: 100% Turkish Airlines | ![]() | Pratt&Whitney Turkish Airlines Technical Aircraft Engine Maintenance Mrkz. Ltd. Co. Headquarter: Istanbul Partnership structure: 51% PW - 49% Turkish Airlines Technical Inc. | ![]() | Goodrich & Turkish Airlines Technical Service Center Ltd. Co. Headquarter: Istanbul Partnership structure: %60 TSA Rina Holdings BV - 40% Turkish Airlines Technical Inc. |
| TCI Kabin İçi Sistemleri Sanayi Ve Ticaret A.Ş. Headquarter: Istanbul Partnership structure: %59 Turkish Airlines - %21 Turkish Airlines Technical Inc. - %17 TUSAS - %3 Havelsan | ![]() | TSI Incorporation Headquarter: ABD Partnership structure: %100 TCI |
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| Turkish Airlines Opet Aviation Fuels Inc. Headquarter: Istanbul Partnership structure: 50% Turkish Airlines - 50% Opet | ![]() | Kuzey Tankercilik Inc. Headquarter: Istanbul Partnership structure: 100% THY Opet | ![]() | Güney Tankercilik Inc. Headquarter: Istanbul Partnership structure: 100% THY Opet |
![]() | Turkish Airlines Do&Co Catering Services Inc. Headquarter: Istanbul Partnership structure: 50% Turkish Airlines - 50% Do&Co | ![]() | TGS Ground Handling Inc. Headquarter: Istanbul Partnership structure: 50% Turkish Airlines - 50% Havaş | ![]() | Turkish Airlines Flight Training and Airport Operation Inc. Headquarter: Aydın Partnership structure: 100% Turkish Airlines |
![]() | TFS Fuel Services Inc. Headquarter: Istanbul Partnership structure: 25% Turkish Airlines - 25% Taya Port Management Inc. - 25% Zirve Holding Inc. - 25% Demirören Fuel Industry and Trade Inc. | | THY Teknoloji ve Bilişim A.Ş. Headquarter: Istanbul Partnership structure: 100% Turkish Airlines |
| THY Destek Hizmetleri A.Ş. Headquarter: Istanbul Partnership structure: 100% Turkish Airlines | ![]() | THY Özel Güvenlik ve Koruma Hizmetleri A.Ş. Headquarter: Istanbul Partnership structure: 100% THY Destek Hizmetleri A.Ş |