GAMMAA A. BUILDERS, formerly recognized as A.C ARQUILLO CONSTRUCTION, is a privately held construction and development company. We are officially registered with the Department of Trade and Industry and various other relevant government bodies in the Philippines.

Our company's origins date back to 1990 when it was established as A.C ARQUILLO CONSTRUCTION. Today, we operate under the name GAMMAA A. BUILDERS. Originally, it was a sole proprietorship, and it remains under the ownership and management of Engr. Alan C. Arquillo. Our firm holds full registration with the Philippine Contractors Accreditation Board, carrying a Category “C” with principal classification of General Building. Our Size Range is "Small-B" for Building and Industrial Plant projects, with an additional classification in General Engineering and Structural Demolition. These qualifications have been officially recognized by the Inter-Agency Committee for Registration and Classification of Contractors for Government Infrastructure Projects.