Bilfinger HSG Facility Management AG, Wallisellen/Switzerland
According to your needs, Bilfinger delivers and installs the GLT TUBE professionally and reliably.   
Link to Website

Bilfinger HSG City Light GmbH, Neu Isenburg/Germany
The light expert of the Bilfinger Group Germany delivers and installs the GLT TUBE according to your needs.
Link to Website 

Profinnet oHG, Bruchsal/Deutschalnd
The consultant for your sustainable change to GLT TUBES in Germany.  
Link to Webseite

Proston LED AB, Stockholm/Sweden
The competent LED provider for the Swedish market delivers the GLT TUBE on demand.
Link to Website 

City Service AS, Bergen/Norwegen
According to your needs, City Service delivers and installs the GLT TUBE professionally and reliably on the Norwegian market.   
Link to Website


GLT Rent AG, Meilen/Switzerland
When renting the GLT TUBE, the rental contract is formed with our Swiss subsidiary GLT Rent AG. 
Link to Website