ACT Energy Technologies Ltd., formerly Cathedral Energy Services Ltd., is a Canada-based energy company. It is a partner to North American energy companies requiring high-performance directional drilling, measurement while drilling (MWD) and rotary steerable services, as well as in providing remote operations. It operates in Canada and in the United States as Altitude Energy Partners, and in the United States under Discovery Downhole Services and Rime Downhole Technologies. The Altitude Energy Partners specializes in providing solutions for the energy sector. Its directional drilling services includes mud motors, rotary steerable system (RSS), measurement while drilling (MWD), and real-time operations. The Discovery Downhole Services specializes in providing drilling solutions to meet clients’ needs. The Rime Downhole Technologies is an engineering company specializing in crafting products for the downhole MWD industry. Its services include rentals, training, maintenance, and repairs.