In 1929 the National Foremen's Association merged with the
Amalgamated Managers' and Foremen's Association, which was active in the
mining industry. In 1942 the union changed its name to the
Association of Supervisory Staff and Engineering Technicians and in 1946 it changed again to the Association of Supervisory Staff, Executives and Technicians. In 1969 ASSET merged with the AScW (the
Association of Scientific Workers) to form ASTMS (The
Association of Scientific, Technical and Managerial Staffs). ASSET's final General Secretary was
Clive Jenkins. ==Election results==