Insituform Technologies is one of the leading providers of proprietary technologies and services for rehabilitating sewer, water and other underground piping systems without digging and disruption. The company s rehabilitation segment provides Insituform CIPP process for the rehabilitation of sewers and pipelines. The process utilizes a custom-manufactured tube made of a synthetic fiber. It also uses pipebursting process, a trenchless method for replacing deteriorated or undersized pipelines, and microtunneling, a trenchless method of drilling a new tunnel from surface operated equipment. The firm s tunneling segment conducts tunneling, microtunneling and various pipe system rehabilitation services. Its other segment provides Tite Liner, a method of lining new and existing pipe with a corrosion and abrasion resistant polyethylene pipe. Insituform Technologies is headquartered in Chesterfield, Mo.