Stephen William Humphrey

CET Structures Ltd. engages in the provision of materials testing and investigation services. It offers home emergency response, specialist property services, and drainage services. The company was founded in 1988 and is headquartered in Castle Donington, the United Kingdom.

CET Group Holdings Ltd. operates as a holding company with interest in infrastructure, civil engineering, construction, property and insurance industries. The company was founded on January 24, 2005 and is headquartered in Castle Donington, the United Kingdom.

Esseltest Ltd. engages in the provision construction material testing services. It specializes in plate bearing tests, shear vane tests, lightweight deflectometer testing, Dynamic Cone Penetrometer (DCP) tests, California bearing ratio tests, trailer mounted coring, Mexe –Probe surveys, and a range of laboratory testing. The company was founded on April 18, 2007 and is headquartered in Castle Donington, the United Kingdom.