Reference and certificates
- More than 300 stations are equipped with signalling and safety and telecommunication (TT) devices
- Over 3500 main station signals are installed and connected
- More than 360 automatic level crossings (LC) with tele-control are installed
- More than 15000 km of signal cables with different capacities are laid down for railways
- More than 1300 km of main railways are equipped with signaling and safety devices
- More than 2300 rail stop devices – balises are delivered
- Over 800 locomotive devices (AS)are installed .

Reference list of railwais, stations and TT networks:
- Belgrade – Tovarnik
- Belgrade – Mladenovac – Lapovo
- Belgrade – Mala Krsna – Velika Plana – Nis – Presevo
- Border of Serbia – Skopje – Gevgelija – Greek border
- Skopje – Gostivar – Kicevo
- Belgrade – Bar
- Pancevo Bridge – Pancevo Main Station
- Vreoci – Thermal Power Plant Nikola Tesla A and B
- Novi Sad – Subotica (railway stations Vrbas, Zednik, Subotica)
- Railway station Dimitrovgrad
- Railway station Backa Topola
- Shunting railway station Rakovica
- Skopje junction
- Belgrade junction: Belgrade Centar, Novi Beograd, Rakovica, Batajnica, TPC Zemun, Pancevo most, Monument to Vuk Karadzic, Karadjordje’s park
- Telecommand Topcider – Pozega
- Shunting station Popovac near Nis
- Railway station Naumovicevo
- Railway station Uzici
- Interstitial distance Belgrade junction
- Secured more than 70 level crossings in Croatia, Macedonia, Bosnia and Herzegovina
- Designing and laying down optical cables for Railways Serbia
- Designing and working on 66 telecommunication networks abroad – Iraq
- Designing telecommunication optical networks and telecommunication works for Telekom Serbia (Sabac – Loznica- Zavlaka – Tekeris, Cacak – Pozega, Ivanjica – Kusici, Konarevo – Biljanovac…)
- Gilje – Cuprija – Paracin
- Section “G” – Rakovica – Resnik