| 1909 | Adolf Rockenstein founds a knitting in Schleusingen which developes to the 2nd largest company in town |
| 1922 | Walter and Wilhelm Rockenstein take over the leadership |
| 1954 | the company expropriates due to Governments´ instructions |
| 1955 | Walter and Joachim Rockenstein dare a new start – a small company arises in the garden-stockings are produced again |
| 1955 | birth of Lutz Rockenstein – founder of Rockenstein GmbH |
| 1962 | extansion of the production building by a new unit |
| 1969 | the production is banned – Carl Zeiss Jena takes over the manufacturing premises |
| 1969 | birth of Alexander Rockenstein – under tragic circumstances |
| 1990 | Joachim Rockenstein repurchases the buildings by "Treuhand" |
| 1991 | Lutz Rockenstein starts building up Powder Coating in these premises |
| 1994 | Alexander Rockenstein starts on working in the company |
| 1994 | autum: moving into the premises of "Kern Technik" Schleusingen --> the production area doubles start planning the new production plant |
| 1995 | move into Real Estate; production area is tenfold |
| 1996 | building a tent camp of 625m²-the area in the company is sufficient no longer |
| 1996 | 2nd coating cabin is in operation now |
| 1998 | warehouse extension |
| 1999 | large volume coating extension |
| 2000 | moving into a new administration building |
| 2000 | bicycle-coating extension and wet-painting extension |
| 2000 | foundation of "Ro-Ko Montage GmbH" as a result:expand service packages, including assembly service especially in the bicycle sector |
| 2002 | the first trainee finished his apprenticeship training |
| 2002 | Joachim Rockenstein died |
| 2004 | planning and starting the construction of the 3rd bicycle extension and wet painting extension |
| 2004 | Quality management system certification according to DIN EN ISO 9001:2000 |
| 2005 | 3rd construction is completed – prompt moving-in |
| 2005 | master craftman's diploma of Alexander Rockenstein – best graduation 2005 |
| 2005 | 10th anniversary of "Rockenstein GmbH" |
| 2006 | Creditreform awards with the title: "100 erfolgreichste Unternehmen in Südthüringen/100 most successfull companies" |
| 2007 | RVP (Rockenstein Verbesserungs Prozess/Rockenstein Process Improvement) is launched by Lutz Rockenstein |
| 2008 | repairing the roofs of hall 1,2 and 4 after a hail demage |
| 2008 |
recertification of DIN EN ISO 9001:2000 |
| 2009 |
Rockenstein GmbH setteled down on May 9, 1909 - it's the 100th year! |
| 2010 |
recertification of DIN EN ISO 9001:2000 |