RIO TUBA NICKEL MINING CORP.

Mining, Quarrying, and Oil

2/F, Solid Mills Bldg., Dela Rosa St., Legaspi Village, Makati City Makati Metro Manila

Tel : (02) 812-8129

Fax : (02) 817-9996

CHEVRONTEXACO MALAMPAYA

Mining, Quarrying, and Oil

8th Floor Asian Star Building, Asean Drive, Filinvest Corporate City, Alabang, Muntinlupa Muntinlupa Metro Manila

Tel : (02) 772-2952

Fax : (02) 543-5242

PETRONAS ENERGY PHILIPPINES, INC.

Mining, Quarrying, and Oil

Matab-ang, Dalipuga, Iligan city Lanao del Norte Region 10

Tel : (063) 225 1214 to 16, 750 8718, 867 3325

CALTEX (PHILIPPINES) INC.

Mining, Quarrying, and Oil

Retelco Drive, Bagong Ilog, Pasig City Pasig Metro Manila

Tel : (632) 813-6001 to 21

Fax : (632) 813-6076

PETROLEUM ASSN. OF THE PHILS. (PAP)

Mining, Quarrying, and Oil

8/F Quad-Alpha Centrum Bldg., 125 Pioneer St., Mandaluyong City Mandaluyong Metro Manila

Tel : (02) 810-9526 / 840-0317

Fax : (02) 818-8206

V-H MANUFACTURING, INC.

Mining, Quarrying, and Oil

33 Kaingin Road, San Francisco Del Monte, Quezon City Quezon City Metro Manila

Tel : (632) 361-5426 / 364-5185 / 361-5591

Fax : (632) 361-5592

SEAOIL PETROLEUM PHILLIPINES, INC.

Mining, Quarrying, and Oil

G/F Meridien Bldg., #29 Annapolis St. Greenhills San Juan San Juan Metro Manila

Tel : 723-5272 / 531-9051

Fax : 531-6462

CITISTORES / CITISHOP

Mining, Quarrying, and Oil

Binifacio St., Sn. Pablo City Laguna Region 4

Tel : (049) 800-3518

Fax : (049) 562-7438

PHILIPPINE SINTER CORP.

Mining, Quarrying, and Oil

PHIVIDEC Industrial Estate, Villanueva, 9002 Misamis Oriental Misamis Oriental Region 10

Tel : (63-8822) 740156; (63-8822) 740187

Fax : (63-8822) 74-02-55

GOLAY BUCHEL PHILS., INC.

Mining, Quarrying, and Oil

c/o Laguna Technopark, Sta. Rosa & Biñan, Laguna Laguna Region 4

Tel : c/o (049) 541-1476 to 77