August 2022 – December 2022
TSUNEISHI HEAVY INDUSTRIES (CEBU), INC.
TSUNEISHI HEAVY INDUSTRIES (CEBU), INC.
March 2022 – September 2022
SOLID EARTH DEVELOPMENT CORP.
January 2022 – May 2022
MARITIME ACADEMY OF ASIA AND THE PACIFIC
November 2020 – February 2021
TAIHEIYO CEMENT PHILIPPINES INC. / SOLID EARTH DEVELOPMENT CORP.
April 2019 – March 2020
JG SUMMIT PETROCHEMICAL CORPORATION
January 2019 – March 2019
KOMAI HALTEC, INC.
February 2018 – December 2018
PETRON CORPORATION
September 2012 – June 2014
JG SUMMIT PETROCHEMICAL CORP. (CIVIL)
July 2011 - December 2013