Survey and Detailed Design of the Four-Lane Highway, Bypass of Chiang Khong

Feasibility Study for the engineering, economic, financial and environmental impact of Chalong Rat Expressway, Saraburi

Survey and Design of Interchange for Highway No. 24 and Highway No. 224 Intersection (Chokchai Junction)

Feasibility Study, Detailed Design and Tender Document Preparation of MRT Blue Line Project, Bang Kae – Phutthamonthon Sai 4

Survey and Detailed Design of the Four-Lane Highway, Bypass of Amnat Charoen (West)

Environmental Impact Study of Highway No. 203 (Lom Sak - Lom Kao - Loei)