EMAIL : optimum_industrial@yahoo.com
![]() Aboitiz Equity Ventures |
![]() Amsteel Structures, Inc. |
![]() Avesco Marketing Corporation |
![]() Betonbau Philippines, Inc. |
![]() Tri-Ex Tower Company, Inc. |
![]() DDT Konstract, Inc. |
![]() D.M. Consunji, Inc. |
![]() DN Steel Group of Companies |
![]() EEI Corporation |
![]() First Balfour |
![]() Grandspan Development Corporation |
![]() Hilmarc's Construction Corporation |
![]() JEA Steel Industries, Inc. |
![]() Leighton Asia |
![]() Megaworld Corporation |
![]() Monolith Construction & Development Corporation |
![]() Sta. Clara International Corporation |
![]() Steel Centre Philippines, Inc. |
![]() Whiteport, Inc. |
![]() Zamil Steel |