Tenbusch Inc. designs, fabricates, and manufactures custom heavy equipment for the underground construction and oil-field and well servicing industries. Current Underground products include but are not limited to the following: - Pipe-Jacking/Tunneling Systems and Equipment - Tunnel Boring Machines - Sliplining Equipment - Pipe-Carriers - TIM Systems - Hydraulic Power Units (HPUs) - Lubrication Systems - Backstops. Current Oil-Field and Well-Servicing products include Hydraulic Power Units (HPUs) and Hydraulic Equipment.