Summit Sigma Ready Mix Concrete Corporation (SSRMC) is one of the leading providers of ready mix concrete in Manila. SSRMC strives to engineer sustainable concrete solutions for modern construction through its commitment to quality and professional service. With two plants strategically located in Quezon City and Taguig City, SSRMC supplies concrete to as far up north in Malolos, Bulacan to down south in Sta. Rosa, Laguna.