Survey and Design for Don Mueang Airport Development Project : Phase 3
                    The Feasibility Study of Engineering, Economy, Finance and Environmental Impact : Srinakarin - Suvarnabhumi Airport Expressway Project
                    Survey and Conceptual Design Highway Route 3 at the beginning of Highway no.332 Intersection and its and point.
                    Survey and Detailed Design of Lampang 4-Lane Highway Bypass.
                    Feasibility Study of the New Bypass Line, Phanatnikhom.
                    Survey and Design 4-lane on Highway No.4156, Khao Phanom District - Thung Yai District Project
                    FEASIBILITY STUDY OF ECONOMIC, ENGINEERING AND ENVIRONMENT IMPACT THE ROUTE DEVELOPMENT CONNECTING THAILAND - MALAYSIA BETWEEN SATUN – PERLIS
                    FEASIBILITY STUDY OF ECONOMIC, ENGINEERING AND ENVIRONMENT IMPACT THE ROUTE DEVELOPMENT CONNECTING THAILAND - MALAYSIA BETWEEN SATUN – PERLIS
1199 Piyawan Tower 8th Fl.,Phaholyothin Rd., Phayathai, Phayathai, Bangkok 10400
Tel : (+66) 2 619-9931
Fax: (+66) 2 619-9932
E-mail : dc@decade.co.th