In December 2020, igr was one of the few engineering offices in Rhineland-Palatinate to be awarded the RAL quality mark 961 in the execution area "Tendering and construction supervision for the trenchless rehabilitation of wastewater lines and sewers of all materials and nominal widths with the associated structures - ABS".

Laser scan flight as part of igr implementation planning

For the first time, a larger laser scan flight (drone) to survey the terrain was carried out as part of an implementation planning by igr:

In January 2020 the municipal enterprise Pragrande d.o.o., seated in Pula, awarded the contract to the bidding consortium igr d.o.o and igr AG (today igr GmbH) to develop the above mentioned study.

igr continues to grow and is reinforced by a third executive director.

igr was commissioned by Verkehrsgesellschaft Frankfurt with the local construction supervision and welding supervision for the project of track and points renewal in the Gutleutviertel in Frankfurt.