Sonobuoy TechSystems is a joint venture between Sparton Electronics Florida, Inc. (Sparton) and Ultra Electronics – UnderSea Sensor Systems Incorporated (USSI).

Sparton and USSI are the largest producers of sonobuoys in the world, with combined deliveries of over 16 million sonobuoys worldwide. Sonobuoy Tech Systems (STS) is your only source for US specification qualified sonobuoys.

Sonobuoy TechSystems leverages the successful design and manufacturing expertise of these companies to offer customers a complete line of products.