About
Greyhounds Security & Investigation Agency Corporation (GSIAC) is a Philippine private security company established in 2004 that provides comprehensive security and investigation services. It serves commercial, corporate, financial, and institutional clients, including RCBC Plaza, RCBC branches, and other properties within the Yuchengco Group.
Main Location
2nd F Grepalife Building, Sen. Gil Puyat Ave., Brgy. San Antonio, Makati City 1200, Philippines