Trenchless pipe restoration services; installation, maintenance, restoration, and repair of underground water, sewer, and industrial pipe infrastructure systems using trenchless methods, including pipe bursting, slip lining, trenchless lining, and internal coating of pipes; geopolymer culvert and tunnel relining services; manhole rehabilitation services; CIPP (cured-in-place pipe) main line and lateral rehabilitation services; underground pipe inspection, condition assessment, and cleaning services; multi-sensor condition assessment services for pipelines and manholes; development, distribution and manufacturing of trenchless technologies.