Founded in 2011, PANELMAXX, INC. is a subsidiary of Ahnex Builders & Ready Mix Corporation. Ahnex’s tie-up with a property development company led to the conceptualization of a company offering precast concrete products. And on October 2011, Panelmaxx, Inc. was registered as a corporation at the Security Exchange Commission (SEC). The production plant was constructed at Barangay Navarro, General Trias, Cavite.

Production of precast concrete and installation on-site began on February 1 and February 6, 2012 respectively.

On December 2, 2013, the groundbreaking for the New Panelmaxx Plant was held and started its operation on July 2014. It is located in Barangay Pasong Camachile II, General Trias, Cavite where it occupies an area of 32,995 sq.m.

At present the company is involve in constructing two models of precast paneled homes and production of pre stressed concrete piles.