Bartington Instruments designs and manufactures high-precision, low-noise fluxgate magnetometers, gradiometers and data acquisition units for naval applications, used globally by many naval forces.

Aqua Lung Military & Professional (M&P) division manufactures military rebreathers, open-circuit regulators, BC’s dry wear, diving helmets and a complete range of dive accessories, including instruments, knives and fins.

Hagenuk Marinekommunikation (HMK), a subsidiary of Atlas Elektronik GmbH (Germany), is a well-known supplier of internal and external communication systems for naval and ground-to-air applications, with radios operating in the frequency range from VLF to SHF.