GREAT SIERRA DEVELOPMENT CORPORATION is a corporation organized and existing under and by virtue of the laws of the Republic of the Philippines. It was established in 2004 with the primary purpose of trading construction materials, more specifically bulk and bags cement, gravel and sand on wholesale basis. From individual homebuilders to large industrial contractors to concrete ready-mix batch plants, our customers rely on our value-added services to fulfill their building needs. With our motor pool located in strategic Bulacan area, we cater mostly to nearby areas such as but not limited to Metro Manila, Pangasinan, Tarlac, Pampanga, Bulacan, Cavite, Batangas, Iloilo, and Davao. Now considered to be one of the fastest growing cement trading companies in the area with a fleet of more than 200 units of truck tractor head and 200 units of cement bulk carriers. With a workforce of around 1,200 competent people which includes office staff, drivers and helpers, maintenance staff and management team, they are considered to be the most important asset of the Company.