Woodfields Consultants, Inc.
- 153 Kamias Road Extension, Kamias 1102, Kamias Rd, Diliman, Quezon City, Metro Manila
TCGI Engineers
- 9th Floor, Feliza Building. 108 V.A. Rufino Street, Legazpi Village, Makati City 1229, Metro Manila, Philippines
ESCA Incorporated
- ESCA Global Centre, 78 8th Ave, Cubao, Quezon City, 1109 Metro Manila
DM Hernandez Engineering
- 176-A West Bank, Brgy. Rosario, Pasig, 1609 Metro Manila
Chiyoda Philippines Corporation
- U/G, Mezzanine, 5th, 6th, 10th, 15th~22nd Flr. SUN PLAZA BUILDING, 1507 Shaw Boulevard cor. Princeton Street, Barangay Wack-Wack, Mandaluyong City 1555