LAMPOON FOREST CO., LTD. Registered No. 0505516000039 Province Lamphun Registration date March 16, 1973
INTER - THAI TOBACCOPACKERS CO., LTD. Registered No. 0505515000108 Province Lamphun Registration date November 27, 1972
CHAT VIROTE THAI WOOD LTD., PART Registered No. 0503514000030 Province Lamphun Registration date January 22, 1971
การเหมืองแร่ศรีศิลปนันท์ จำกัด Registered No. 0505511000081 Province Lamphun Registration date July 23, 1968
THE LAMPOON SUGAR CO., LTD. Registered No. 0505498000010 Province Lamphun Registration date May 10, 1955
THE LAMPHUN PROVINCIAL TRADING COMPANY LIMITED Registered No. 0105484000105 Province Lamphun Registration date April 23, 1941