Aegion Corp, 17988 Edison Ave, Chesterfield, MO 63005, US

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.