| 2019 | September | Day of the open door of the dam Rappbode for the 60th anniversary and 25 years RDMT GmbH |
| 2017 | February | Mr. Dipl.-Ing. Volker Schmidt is appointed Procurator (Technology) and is responsible for the Business Unit Technology, Dipl.-Ing. Thomas Richter is appointed Procurator |
| 2017 | January | Mrs. Julia Richter is appointed Managing Director (Economics) |
| 2017 | Project supplement and start of the project Extension of measurement technology in 8 locks of the Water and Shipping Authority Nuremberg | |
| 2015 | for the first time, 1,000,000 EUR annual turnover achieved | |
| 2015 | Project surcharge and start of the project for the extension of measurement technology at 4 dams of Schluchseewerke AG | |
| 2014 | September | Day of the open door of the dam Rappbode to the 55th anniversary and 20 years RDMT GmbH |
| 2011 | July | Registration of the trademark "RDMT" at the German Patent and Trademark Office |
| 2009 | September | Day of the open door of the dam Rappbode for the 50th anniversary and 15 years RDMT GmbH |
| 2004 | September | Day of the open door of the dam Rappbode for the 45th anniversary and 10 years RDMT GmbH |
| 2004 | Completion of the project of the complete metrological refurbishment of the dam Rappbode and handover to the client | |
| 2004 | February | Entry Utility model Forced leveling device for a leveling staff at the German Patent and Trademark Office |
| 2003 | September | Registration of utility models Target mark at the German Patent and Trademark Office |
| 2003 | Mr. Schmidt becomes a member of the DWA and part of the working group WW-4.2. "Construction monitoring at dams", which compile fact sheets that extensively set out and describe the measurement technology for dams under the construction engineering objective | |
| 2002 | Project supplement and start of the project of the complete metrological rehabilitation of the dam Rappbode | |
| 2002 | Renaming of the engineering office to RICHTER Deformationsmesstechnik GmbH - Mr. Dipl.-Ing. Thomas Richter becomes the sole shareholder / managing director | |
| 2000 | Hiring Mr. Dipl.-Ing. Volker Schmidt as project and development manager after a successful diploma thesis in the company | |
| 1999 | Relocation to the present company building on Frauensteiner Straße 130 after reconstruction & refurbishment | |
| 1998 | Hiring of the first employee in connection with the realization of the order "Reconstruction of the measuring technique of the pumped storage plant (dam) Hohenwarte" | |
| 1994 | November | Founding of Ingenieurbüro Richter |