Reliable solutions by dedicated people

Union Engineering a/s has been in the CO2 business since 1933. Over the years we have served the world's leading brewery and soft drinks groups, industrial gases groups and Desalination projects, and we have been owned by some of the leading industrial gases companies.

This history has greatly influenced our values and given us an in-depth understanding of what is important to our customers.

1933 Founding of A/S Kulsyre- og Tørisfabrikken Union (GB: "Carbon Dioxide and Dry Ice Factory Union Ltd.")
1971 Union Construction is established as a division of Union a/s
1972 Union is acquired by British Oxygen Company (BOC)
1984 Union is acquired by Norsk Hydro Danmark a.s.
1991 Union Construction a/s is separated as an independent limited company and acquired by Union Industries.
1994 Union Construction a/s opens representative office with service in Shanghai, China
1995 Union Construction a/s starts subsidiary in Brazil with service support on the South American continent
1996 The name is changed to Union Engineering a/s
2007 Opening of subsidiary in Atlanta, Georgia, USA 
2008 Opening of the second US office in New Jersey
2010 Capidea acquires Union Engineering a/s, Fredericia, in co-operation with the management team and former shareholders
2012 Opening of Union Oil & Gas office in Utrecht, Netherlands
2013 Acquisition of the U.S. based The Wittemann company
 2017  Acquired by Pentair