| April | 2004 | PP MAINCOR GmbH & Co. KG founded by Gudrun and Dieter Pfister |
| December | 2004 | Management and production building acquired in Knetzgau |
| March | 2005 | Production in Knetzgau began |
| June | 2006 | Awarded TOP100 Top Innovator 2006 award |
| February | 2007 | Mainpex GmbH & Co. KG, Schweinfurt, was founded |
| September | 2007 | MAINCOR Ltd. in Lutterworth, Great Britain, was founded |
| October | 2007 | Awarded Finalist Entrepreneur of the Year 2007 award |
| February | 2008 | Awarded Entrepreneur of the Year / Finalist award |
| September | 2008 | Mainpex GesmbH, Maria Alm, was founded |
| October | 2008 | MAINCOR AG was founded |
| February | 2009 | Awarded Deloitte Axia-Award 2008 for medium-sized companies |
| September | 2009 | Awarded the Bavarian Founder Prize 2009 in the Up-and-Coming category |
| November | 2009 | Awarded Bavaria’s Best 50 Companies award |
| December | 2010 | Axia-Award Finalist |
| June | 2011 | MAINCOR Slovenia was founded |
| October | 2011 | Awarded State Medal for Outstanding Achievements |
| November | 2011 | Employee share ownership in MAINCOR AG |
| January | 2014 | MAINCOR Rohrsysteme takes over Building Solutions of Mainpex GmbH & Co. KG and Pipe Systems Industry of Maincor AG |
| March | 2014 | Award Focus “Bester Arbeitgeber 2014″ (Best Employer 2014) for MAINCOR |
