TT Technologies is a construction equipment manufacturer producing

microtunneling Microtunneling or microtunnelling is a tunnel construction technique used to construct utility tunnels from approximately in diameter. Because of their small diameter, it is not possible to have an operator driving the tunneling machine, so they ...

and

trenchless Trenchless technology is a type of subsurface construction work that requires few trenches or no continuous trenches. It is a rapidly growing sector of the construction and civil engineering industry. It can be defined as "a family of methods, mat ...

products. TTT was founded in 1991, and is based in

Aurora, Illinois Aurora is a city in northeastern Illinois, United States. It is located along the Fox River (Illinois River tributary), Fox River west of Chicago. It is the List of municipalities in Illinois, second-most populous city in Illinois, with a popul ...

. The company received an innovative product award from the North American Society for Trenchless Technology (NASTT) in December 2015 for a mini directional drill called the Grundopit K-keyhole. The company has been noted for several innovations in low environmental impact tunneling techniques and technology. In 2015, TTT received the 2015 NASTT innovative product award for their minimally-invasive trenchless steerable microtunnel boring technology.https://www.nodig-construction.com/News/GRUNDOPIT-K-Keyhole-receives-NASTT-Innovation-Award-2015-1109.html
/ref> In 2018, TT Technology equipment was used to set a North American record for

pipe bursting Pipe bursting is a trenchless method of replacing buried pipelines (such as sewer, water, or natural gas pipes) without the need for a traditional construction trench. "Launching and receiving pits" replace the trench needed by conventional pi ...

technology when a -diameter sewer pipe was replaced in an environmentally sensitive area of

Maple Ridge, British Columbia Maple Ridge is a city in British Columbia, Canada. It is located in the northeastern section of Greater Vancouver between the Fraser River and the Golden Ears (peaks), Golden Ears, which is a group of mountain summits which are the southernmo ...

with a much larger -diameter pipe, without disturbing the ground surface.

References

Trenchless technology Subterranean excavating equipment companies {{US-company-stub