1944 - Founding of M. KIEL Rohrleitungsbau in Witten an der Ruhr
1945 - Founding of Franz KIEL GmbH in Nördlingen
1945 - Establishment of Wesseling office
1949 - Relocation of main office to Wesseling
1958 - Relocation of legal office to Nördlingen
1992 - Acquisition of IMRO-Rohrleitungsbau GmbH
1993 - Establishment of Merseburg office
1995 - Acquisition of MBS Montagebau Schäfer GmbH
1996 - Acquisition of Richter Rohrleitungsbau GmbH
1996 - Certification under DIN EN ISO 9001
1996 - Certification under SCC**
1998 - Acquisition of Neumann + Stahlherm in Gelsenkirchen
1998 - Founding of KIEL Engineering GmbH in Gelsenkirchen
1999 - Renamed to KIEL Montagebau GmbH & Co. KG
1999 - Establishment of Ludwigshafen office
2000 - Acquisition of Kurt Grasmück GmbH
2001 - Relocation of IPS main office to Wesseling
2002 - Certification under Pressure Equipment Directive
2002 - Restructuring into a key account management structure
2004 - 60 years of KIEL
2004 - Founding of the working group "SKM/KIEL Industrial Services Group"
2005 - Pipe pre-fabrication operations spun off to IPS GmbH
2006 - IPS GmbH renamed to Industrial Pipe Systems GmbH
2006 - Founding of Industrial Personal Service GmbH
2007 - Founding of KIEL Industrial Services AG
2008 - Founding of KIEL Montagebouw B.V.
2008 - Founding of Kitec Sp.zo.o
2008 - Founding of Kiplan Nord GmbH
2008 - Founding of KIEL Montagebouw B.V.B.A.
2009 - 65 years of KIEL
2010 - Renamed to KIEL Montagebau GmbH
2011 - Partnership with Phoenix Training Centre in Dortmund
2011 - Incorporation of Schweißtechnik Zwingmann GmbH
2011 - Certification under DIN EN ISO 14001 Environmental protection
2011 - Founding of KIEL TA-Concept GmbH
2011 - Founding of Kitec GmbH Wesseling
2012 - Construction of pre-fabrication facility in Wesseling
2012 - Relocation of pre-fabrication facility from Neuss to Wesseling
2013 - Founding of Kiplan Süd GmbH
2013 - First place in review of industrial services by German Institute for Service Quality
2013 - Acquisition of Trauner Rohrleitungsbau GmbH
2013 - Acquisition of Trauner Anlagenbau- und Montagebau GmbH
2014 - Founding of KIEL-Unic Energieanlagen GmbH
2014 - Acquisition of Sächsische Hochdruck Montagen GmbH
2014 - 70 years of KIEL
2015 - Qualification under KTA 1401
2016 - Delta-Audit KTA 1401 under AVS D 100/50
2017 - Founding of ABT Asphalt- und Bitumentechnik GmbH
2018 - Relocation of SHM GmbH from Lauta to Zeitz
2019 - 75 years of KIEL
