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Contact Us

Head office

115 Bay State Dr,
Braintree, MA 02184,

Ultra Maritime US Locations


We are a leading supplier to the US Navy, providing acoustic and sonar systems, torpedo defense and radar sensor solutions.

Ultra Maritime Canada Locations


Home to our global sonar center of excellence. We are proud of our footprint in Canada and our investment into Nova Scotia.

Ultra Maritime UK Locations


We have been a trusted supplier to the Royal Navy for over 80 years.

Ultra Maritime Australia Locations


Our capabilities can be found on the majority of the Royal Australian Navy (RAN) fleet, and we’re continuing to invest in Australia