❑ D.M. CATAPANG CONSTRUCTION
❑ OEM INDUSTRIAL CORPORATION
❑ ONGSON GROUP OF COMPANIES INC.
❑ LIMING INDUSTRIES MACHINERY
❑ AGGRESAND QUARRYING INC.
❑ GAIA ENERGREEN RESOURCES INC.
❑ CEC CONSTRUCTION CORPORATION
❑ HUANG CONSTRUCTION CORPORATION
❑ RRB GRAVEL AND SAND QUARRYING
❑ PONGE AND ASSOCIATES CONSTRUCTION CORPORATION
❑ D89 MINERAL EXPORT CORP.
❑ PE ENGINEERING DESIGN
❑ ORDINARIO DESIGN BUILDERS