APS Technology
APS Technology has assembled the most experienced independent MWD / LWD design team in the world. Our engineers, technicians, toolmakers and machinists create the world's most advanced and reliable electromechanical, instrumentation and sensor designs. APS is committed to delivering field performance and design confidence worldwide for all your off-the-shelf and custom MWD / LWD equipment needs.
http://www.aps-tech.com/