Hall-Thermotank
1959 Merger of J. and E. Hall with Thermotank, forming Hall-Thermotank[1]
1960 Subsidiaries included:[3]
- J. and E. Hall
- Thermotank
- Vent-Axia
- Axia Fans
- Lumenated Ceilings
- Sound Control
- Arnoplast
- Thermotank Plastic Engineering
- Acoustical Investigation and Research Organisation
1963 Acquired Searle Manufacturing[4]
1963 Marine sales had fallen from 45 percent of the total in 1959/60 to 31 percent in 1963[5]
1968 Sold lifts and escalators subsidiary to Otis[6]
1969 Formation of Hall Thermotank International to handle the international parts of the business
1970 Hall Thermotank International acquired the heavy industrial refrigeration contracting division of Prestcold Sterne [7]
1976 Sold Searle Manufacturing to Prestcold[8]
1976 Acquired by APV in an agreed bid[9]
1978 The Paracon packaged air conditioning equipment business was transferred to Refrigeration Appliances, part of the Delta Group; the business was moved to the Haverhill factory[10]