Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,386 pages of information and 233,857 images on early companies, their products and the people who designed and built them.
1951 The Hydraulics Research Station was established at Howbery Park, Wallingford, then in Berkshire, now Oxfordshire.
1982 Privatised, as the Hydraulics Research Station Ltd. Renamed Hydraulics Research Limited (HRS) in 1983.
1991 Renamed HR Wallingford Ltd.
1993 HR Wallingford Group Ltd formed.
2019 Acquired the Marine Hydrodynamics division of Manchester-based Cussons Technology, combining Cussons’ expertise in force measurement with HR Wallingford’s expertise in wave generation and measurement.
The above information is condensed from the company's heritage webpage.
HR Wallingford website.