Achille Hamon creates Hamon France in Paris.
Following the example of his brother, Fernand Hamon creates Hamon Belgium in Brussels. The core business of both companies lies on industrial water cooling towers for the mining and the steelworks industries.
Maurice, Fernand’s son, founds SOBELCO, a company specialized in the development and supply of condensing systems for power plants.
First large order in the USA for 4 natural draft cooling towers (Keystone), introducing this innovative system in North America.
Expansion of the activities in Germany, UK Australia and South Africa through the development of a wholly owned commercial network. During the late 70ies and the 80 ies Hamon builds most of the natural draft cooling towers of the French nuclear power plants;
Acquisition of Film Cooling Towers, a UK leader, and of SCAM, Hamon's challenger on the French market.
Creation of Hamon-Lummus with ABB Lummus for the development of dry cooling systems, based on the aluminium single row condenser tube technology.
New record in the size of the natural draf cooling towers with the Civaux (FR) NPP project.
Hamon goes public with the company's first offering on the Brussels stock exchange.
Acquisition of Research-Cottrell (Air Quality Systems) and Custodis. Both companies have been existing for a century. R-C is a major player in the air quality systems and can be considered a the pionneer in the field of activity.
After a major reorganization in the early 2000, Hamon continues its geographical expansion.
Acquisition of Deltak, a company based in Minnesota, active in heat recovery steam generators and waste heat boilers.