For many years, GTT has developed an active policy to provide designs and technical assistance of its systems all over the world through technical assistance and license agreements for construction shipyards and outfitters for the erection of its membrane systems. The following companies are licensed by GTT:


Chine (P.R.) Dalian Shipbuilding Industry Co. Ltd ▪ Hudong-Zhonghua Shipbuilding ▪ Jiangnan Shipyard ▪ Shanghai Waigaoqiao Shipbuilding ▪ NACKS ▪ WISON Offshore & Marine ▪ YangZiJiang ▪ Cosco Shipping Yangzhou  ▪ China Merchant Heavy Industries Jiangsu (CMHI-JS) Yoke LNG Engineering ▪ Qingdao COSCO Shipping Cryogenic Engineering and Technology Co.,Ltd
Corée Hanwha Ocean ▪ Samsung Heavy Industries ▪ HJ Shipbuilding & Construction ▪ HD Hyundai Heavy Industries ▪ Hyundai Mipo Dowkyard ▪ Hyundai Samho ▪ Sungdong Shipbuilding & Marine Engineering ▪ Daehan Shipbuilding ▪ K Shipbuilding DSEC ▪ Dongsung Finetec 
Espagne Navantia ▪ LA NAVAL Gabadi
Etats-Unis Conrad Industries --
France -- Endel
Inde Cochin Shipyard Ltd. --
Japon Mistubishi Shipbuilding ▪ Kawasaki H. I. ▪ Japan Marine United Corporation ▪ Imabari Shipbuilding Co. Ltd ▪ Mitsui E&S --
Philippines   AG&P
Russie Zvezda Shipbuilding Complex   
Singapour Keppel Marine & Offshore ▪ Sembcorp Marine Integrated Yards PTE. Ltd. --