SIAM SATHAPHON TRANSPORT LIMITED PARTNERSHIP Registered No. 0103523023156 Province Bangkok Registration date December 22, 1980
J.KIATCHAI PATTANA TRANSPORT COMPANY LIMITED Registered No. 0105522002823 Province Pathum Thani Registration date February 7, 1979
กรุงเทพ-บ้านแพนเดินรถ จำกัด Registered No. 0105516009099 Province Bangkok Registration date August 24, 1973
SIAM CITY TRANSPORT COMPANY LIMITED Registered No. 0925513000069 Province Trang Registration date December 2, 1970
กรุงเทพร้อยเอ็ดขนส่ง Registered No. 0103511001063 Province Bangkok Registration date January 22, 1968
BANGKOK TRANSPORT CO., LTD. Registered No. 0105504002248 Province Bangkok Registration date May 2, 1961
THE CHOLBURI THAI LABOUR COMPANY LIMITED Registered No. 0205497000043 Province Chon Buri Registration date June 5, 1954
KRUNGTHEP THANSPORT SERVICE REGISTERED ORDINARY PARTNERSHIP Registered No. 0102496002431 Province Bangkok Registration date July 17, 1953
กรุงเทพฯลำเลียง จำกัด Registered No. 0105494001643 Province Bangkok Registration date February 28, 1951
กรรมกรเศรษฐกิจ จำกัด Registered No. 0105493002786 Province Bangkok Registration date October 17, 1950