Wikipedia
RESON
RESON A/S is a Danish company which provides tools for underwater acoustic applications and survey accuracy requirements.
Range of products covers digital multi-beam systems, single-beam sensors, 3D visualization software, high-power transducers, and precision reference hydrophones. The products are used by, among others, the oil and gas industries, marine researchers and naval surveillance teams.
RESON is the holding company of the RESON Group. Headquartered in Denmark, RESON has subsidiaries in the US, Singapore, UK, Germany, and the Netherlands. In addition to these subsidiaries, there are RESON representatives located in 25 countries.