HEURISTICS TECHNOLOGY AND MANAGEMENT CONSULTANTS, INC. AWIA Building Libertad cor. Sinag Streets, Mandaluyong City 718-1140 to 41 DESIGN SERVICES
WILL DECENA & ASSOCIATES Antonio Maceda, Manila, Philippines 740-8636 / 740-6929 / 741-3743 General Contractor
WELDON CONSTRUCTION CORPORATION Amang Rodriguez Ave, Pasig City, Philippines 641-9971 Road | Pavement | Highways
GRANDSPAN DEVELOPMENT CORPORATION Bo. Tagpos, Binangonan, Rizal 816-3371 to 80 / 651-1451 General Contractor
TIERRA INTERNATIONAL CONSTRUCTION CORP. Pres. Sergio Osmeña Sr. Hwy, Makati City, Philippines 844-3343 / 8530 / 844-6147 Water Treatment