McNeil Technologies specializes in creating and manufacturing environmentally friendly wastewater infrastructure solutions, primarily in the U.S., Canada, and Australia. Their flagship product, the Triplex Liner System, is a cured-in-place permanent fiberglass lining system designed to rehabilitate underground structures like manholes, pump stations, vaults, and culverts. The company aims to address serious infrastructure problems in cities by offering products and services for the rehabilitation of deteriorating sewer utilities and wastewater structures. They work with municipalities and contractors to provide cost-effective solutions that prevent infiltration and deterioration, contributing to the conservation of the environment.