Tally Drilling Services is a full-service directional drilling company headquartered in Houston with additional facilities in the Permian and Marcellus/Utica Basins. We provide directional drilling services, geological services, software and Motor & MWD equipment rentals. As one of the most comprehensive oilfield service companies, our divisions provide expertise in directional planning, directional drilling, downhole performance motors, directional surveying, Pulse MWD, EM MWD and rotary steerable services.