POWER

Power Generation
  First Gen Corporation (First Gen)
  First Gas Holdings Corporation/First Gas Power Corporation
  Unified Holdings Corporation/Bauang Private Power Corporation
  First Gen Hydro Power Corporation (First Gen Hydro)
  FG Bukidnon Power Corporation (FG Bukidnon)
  First Philippine Industrial Corporation (FPIC)

Power Distribution
  Manila Electric Company (Meralco)
  Panay Electric Company (PECO)

TOLLWAYS 
  First Philippine Infrastructure Development Corporation (FPIDC)
  Manila North Tollways Corporation (MNTC)
  Tollways Management Corporation (TMC)

OTHERS

Manufacturing
  First Philippine Electric Corporation (First Philec)
  Philippine Electric Corporation (Philec)
  First Electro Dynamics Corporation (Fedcor)
  First Philippine Power Systems, Inc. (FPPS)
  First Sumiden Circuits, Inc. (FSCI)/First Sumiden Realty, Inc. (FSRI)

Property
  Rockwell Land Corporation (Rockwell Land)
  First Philippine Industrial Park (FPIP)
  First Philippine Realty Corporation (FPRC)

Construction
  First Balfour, Inc. (First Balfour)

Stock Transfer Services
  Securities Transfer Services, Inc. (STSI)