Primary Engineering Associates
Suite 1401, ONE PACIFIC PLACE, 140
Sukhumvit Road, Bangkok 10110, Thailand.
Tel. (66 2) 653 5078
Fax. (66 2) 653 5117
Email: primary@loxinfo.co.th

Primary Engineering (THAILAND) Ltd.
3241 Boss Tower
Suite 601 Rama 4 Road
Klongton, Klontoey
Bangkok 10110 Thailand.
Tel. (66 2) 661 3255-6 Fax. (66 2) 661 3254
Email: primary@loxinfo.co.th