- Railway station Libeň - installation of public address system and camera system
- ČD Telekomunikace – installation of backbone fibre optic NET for approx. 2200 km
- Transgas – development of backbone fibre optic NET
- II. Corridor – participation in development
- Modernisation of ČD transit level – installation of node exchanges
- Execution of the pilot project GSM-R for SŽDC (state railway infrastructure)
- ČD DDC, optimization of the telephone exchange Krasíkov - Česká Třebová
- Electrification of Kadaň – Karlovy Vary railway line
- Region of Železná Ruda, upgrade of transport infrastructure
- Chrudim-Borohrádek (SŽDC) – telecommunication cable
- ČD DDC, modernisation of the telephone exchange Olomouc-Červenka
- ČD DDC, modernisation of the trackside radio of the west side of Prague main station – 1st part 2003 – 2006 (Skanska ZS)
- ČD DDC, modernisation of the transit level of the Czech Railways telecommunication network
- ČD DDC, optimization of the telephone exchange Zábřeh – Krasíkov
- Reconstruction of DRT in the section Havlíčkův Brod – Jihlava center
- Remote control of signalling system in the section Přerov – Břeclav
- Reconstruction of signalling equipment of the railway station Teplice v Čechách
- Construction of the temporary signalling system at Vlašim railway station
- Modification of the station signalling equipment and of the relevant SW in the Železná Ruda/Bayerisch railway station
- Transportation connection of the industrial zone II North Ždírec nad Doubravou
- Carrying out of measurements of GSM system on the railway lines of the Czech Railways
- Residential complex Horizont I – Králův Dvůr – B,C,D,E
- Carrying out of measurements of GSM-R system
- Delivery of the electronic toll collection system for highways of the Czech Republic (TOLL)