HALO

Electronic test and measurement devices for the compilation and dissemination of data useful in drilling, completion and workover of subterranean or other types of well operations in the nature of measurement while drilling (MWD) tools, namely, oil and gas downhole survey and measurement equipment, gyroscopes, magnetometers, accelerometers, electric sensors, electrical transducers, electric cables, temperature sensors, transmitters of electronic signals, wireless transmitters and receivers, gamma radiation detectors

Oil and gas well drilling services, namely, directional drilling services

Oil and gas well drilling services, namely, providing measurements and downhole telemetry while drilling