Insituform Technologies, Inc. is a worldwide provider of trenchless technologies for

gravity In physics, gravity () is a fundamental interaction which causes mutual attraction between all things with mass or energy. Gravity is, by far, the weakest of the four fundamental interactions, approximately 1038 times weaker than the stro ...

and pressure pipelines. Insituform is a subsidiary of Aegion Corporation. (NASD: AEGN). Insituform's inception was prompted by the invention of

cured-in-place pipe A cured-in-place pipe (CIPP) is a trenchless rehabilitation method used to repair existing pipelines. It is a jointless, seamless pipe lining within an existing pipe. As one of the most widely used rehabilitation methods, CIPP has applications in ...

(CIPP) by Eric Wood of the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

in the early 1970s. Its name comes from the Latin phrase "in situ form," which means to "form in place." The first CIPP tube was installed in the UK in 1971 and is still in service today. A CIPP system consists of a flexible felt or fiber-reinforced tube impregnated with resin. The tube is inserted into an existing pipeline by either inversion or via a pull-in method. It is then cured with steam or hot water, providing a new jointless pipe within a pipe. In 2007, Insituform announced that it would exit the tunneling business and seek a buyer for Affolder, Inc. Insituform acquired two new companies in first quarter of 2009. The Bayou Companies acquisition closed on February 23, 2009. Acquisition of Corrpro Companies, Inc. closed on March 31, 2009. In 2011, Aegion Corporation was created to serve as the

parent company A holding company is a company whose primary business is holding a controlling interest in the securities of other companies. A holding company usually does not produce goods or services itself. Its purpose is to own shares of other companies ...

for Insituform, Bayou and Corrpro, along with other acquisitions. Today, Aegion is the parent company of Insituform along with Aegion Coating Services, The Bayou Companies, Brinderson, Corrpro, Fibrwrap, Fyfe, Underground Solutions and United Pipeline Systems.

References

External links

Official site

* ttps://web.archive.org/web/20070929100247/http://www.patentstorm.us/patents/5736166-description.html Related information on CIPP patents
Company information
Construction and civil engineering companies of the United States {{industry-company-stub