Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,190 pages of information and 233,425 images on early companies, their products and the people who designed and built them.
HMB Subwork submersible operator.
1982 HMB claimed to hold one quarter of the world's market for one-man submersible operations . Peter Messervy was managing director of the company. 
1982 November. Acquired by British Underwater Engineering.