.Asian Terminal Incorporated (ATI)

.Baggerwerken Decloedt en Zoon (BDZ)

.Ballast Nedam International

.Chevron Philippines, Inc.

.Daelim Industrial Co. Ltd.

.EEI Corporation

.F.F. Cruz & Co. Inc.

.Frey-Fil Corporation

.Globe Telecommunication Company

.International Container Terminal Services, Inc. (ICTSI)

.Kawasaki Steel/JFE Civil Engineering & Construction Corporation

.Leighton Contractors (Phils.) Inc. (LCPI)

.Maritime Industry (MARINA)

.Maritime and Underwater Security Consultant (MUSC)

.Mirant (Philippines) Corp.

.National Power Corporation (NPC)

.Petron Corporation

.Philippine Coast Guard (PCG)

.Philippine Long Distance Telephone Co. (PLDT)

.Philippine National Oil Corp. (PNOC)

.Philippine Port Authority (PPA)

.Pilipinas Shell Petroleum Corp.

.Philodrill Corporation (Formerly Alcorn Production Philippines Inc.

.Quezon Power (Phil.), Ltd. Co.

.Riofil Corporation

.SB Construction Corp.

.Siemens, Inc.

.Shimizu Corporation

.Sta Clara International Corporation

.Sumitomo Construction Co., Ltd.

 .Sycamore International Shipping Corporation

.TOA Corporation

.Toyo Construction Co., Ltd.