Marlin Gregor
President of Sonotronics, Inc.


Goodbye to our best friend, favorite employee, and Sonotronics mascot, Marcus. You will be missed!

– RIP Marcus Gregor 2022 <3

The Manufacture of Underwater Ultrasonic Tracking Equipment Since 1971 – Providing Exceptional Products with Proven Results.

Sonotronics is a leader in the manufacturing of ultrasonic tracking equipment related to the underwater tracking of marine animals, equipment marking, and other marine applications.

Sonotronics offers high performance Active Tracking Systems for real time. Specializing in implementing the latest technologies and providing Simple solutions for customers tracking needs. Sonotronics products include a wide variety of ultrasonic transmitters with various combinations of lifetime, size, range, and telemetry options.

Sonotronics offers high performance manual tracking systems for real time determination of animal behavior. Sonotronics also offers automated stations for logging animal detections, including cellular uplink and web technologies.