Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,508 pages of information and 233,942 images on early companies, their products and the people who designed and built them.
AE, maker of automotive components, of Ince House, Leamington Spa (1966)
1950 Developing Al-fin process for bonding aluminium to cast iron.
1951 One of the group companies (Hepworth and Grandage) had been machining blades for aircraft engines
1954 Acquired Aeroplane and Motor Aluminium Castings Ltd
1955 In the past year, there had been expansion of the drill bush business, new factory for making engine blades for aircraft, Wellworthy had started making piston-based compressor for supercharging diesel engines, designed in conjunction with Ricardo and Co.
1957 Head office moved from London to Leamington Spa which was more central for the subsidiaries. Acquired Universal Metallic Packing Co and 2 small companies: Arrow Aircraft and Reid Watt Sales Ltd. Proposal to change name of company to Associated Engineering Ltd.
1961 Established R&D centre at Cawston Hall
1966 Associated Engineering Ltd had 19 principal companies in the UK and 10 major subsidiaries overseas. Products/brands included:
1967 Associated Engineering acquired the shares of Specialloid it did not already own
1968 UK manufacturing companies in group:
1968 Details of the R&D centre at Cawston Hall. The group consists almost entirely of companies supplying the automotive sector 
1969 Formation of Associated Engineering Developments, at Cawston Hall, to develop spin-off and diversification business in addition to providing technical support to the 31 existing businesses.
1972 The Covrad subsidiary developed the first low-cost aluminium radiator for cars