TRINAV SURVEYS is a company registered and incorporated in the Republic of the Philippines.

TRINAV was formed in 1987 with the main objective to provide quality survey services using advanced technology instrumentation and professional, qualified engineers.

Our main office is in Manila and from this base we provide complete managerial, technical, quality assurance and drafting facilities. 

We have a branch office at Subic Bay Freeport Zone with 500 square meter warehousing, maintenance and repair facilities.

Since the formation of the company we have performed surveys throughout the Philippines for government, military and civil organizations.



    • Offshore Positioning
    • Bathymetry  and Hydrography
    • Sea Floor Mapping
    • Oceanography
    • Geophysical/Geotechnical
    • Meteorology
    • Land Survey
    • Drafting
    • Digitizing & Plotting