• 1872 Founding of the Gritzner machine factory.
  
• 1930 The Gritzner company merges with Kayser and is now called Gritzner-Kayser AG.
• 1955 A major fire destroys most of the factory.
  
• 1956 Inauguration of the new building by architects Backhaus & Brosinsky.
• 1957 GM Pfaff AG Kaiserslautern takes over the Gritzner-Kayser machine factory.
  
• 1958 Construction of today’s landmark of the RaumFabrik Durlach: the boiler house with the Pfaff chimney.
• 1999 Pfaff Industriemaschinen AG files for insolvency.
  
• 2001: Change to the development plan. Ten Karlsruhe businessmen purchase the former Pfaff industrial site with the goal of restoring a piece of their hometown. The first tenants move into the business park under construction.
• 2006 The major renovations are completed. 50 companies with approximately 1,200 employees have their business address in the successful RaumFabrik Durlach concept.
• 2008 In November, the RaumFabrik Durlach receives a new entrance, Building 1.
• 2008 An additional 1,800 m² of office space is created in the boiler house.
• 2009 The area is expanded to approximately 50,000 m² through the purchase of the site opposite, formerly Web.de (Campus B).
• 2012 Additional areas are created on Campus B, roof extension buildings 53 – 61 with approx. 2,200 m² .
• 2013 Additional space is created on Campus A through the roof extension of Building 33a-c with approximately 3,500 m².
  
• 2014 Additional space is created on Campus A, new building KUBUS 33b approx. 1,500 m² and roof extension Building 34, approx. 1,100 m².
• 2016 Additional space is created on Campus A, roof extension building 31, approx. 850 m².
• 2016 Additional space is created on Campus B, Buildings A+B+C+D, approximately 20,000 m², a parking garage with 155 spaces and an underground garage with 250 spaces, completion in July 2019.
• 2018 Occupancy of the new building 30, Campus A, with approx. 1,900 m².
• 2018 Connection to the district heating network of Stadtwerke Karlsruhe.
  
• 2018 Occupancy of new building A with approx. 6,500 m².
  
• 2019 Occupancy of the new buildings B, C and D with a total of approx. 13,200 m².
  
• 2020 Completion of the outdoor facilities on Campus B and final completion of construction work on approximately 80,000 m².
• 2021 Opening of WorkSpace1 , the first shared office.
• 2021 Opening of WorkSpace2 , the second shared office.
• 2021 The RaumFabrik Durlach turns 20 years old.
• 2022 In July, RaumFabrik Durlach is hosting a major anniversary event.
• 2023 The campus’s own job portal goes online in April.

Around 100 companies with approximately 3,000 employees now have their business address in the successful RaumFabrik Durlach concept.