JW Fishers are specialists in the design and manufacture of underwater search systems. Their product line includes handheld and boat towed metal detectors, marine magnetometers, video systems. side-scan sonars, sub-bottom profilers, and scanning sonar. An extensive line of underwater cameras is offered that includes ROVs, towed video, drop video, diver-held camera, and a mini camera. Added to the array of products are acoustic pingers, a pinger receiver, sonar transponder, sonar interrogator, cable tracking system, and a pipe tracker.