| Motorway D1 Turany - Hubova |
| Services: comparative study, EIA, ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2019 |
| |
| Motorway D1 Bidovce Pozdisovce, green variant |
| Services: TS |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2018 |
| |
| Motorway D1 Bratislava – Senec, extension to 6-lane |
| Services: BPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2015, 2016 |
| |
| Motorway D4 Bratislava, Jarovce - Raca |
| Services: TS, DSZ, ZPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2014 |
| |
| Motorway D4 Bratislava, Ivanka sever - Raca |
| Services: TS, DSZ, ZPD |
| Client: DOPRAVOPROJEKT, a.s. |
| Year: 2014 |
| |
| Motorway D1 Turany – Hubova (I. stage) |
| Services: comparative study |
| Client: DOPRAVOPROJEKT, a.s. |
| Year: 2014 |
| |
| Motorway D1 Presov west – Presov south |
| Services: BPD, TD |
| Client: DOPRAVOPROJEKT, a.s. |
| Year: 2013-2014 |
| |
| Motorway D1 Bidovce – state boundary SR/UA |
| Services: Feasibility study |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2014 |
| |
| Motorway D1 Bratislava, Viedenska cesta – Pristavny most |
| Services: ZPD, BPD, TD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1999-2002, 2003-2005 |
| |
| Motorway D1 Horna Streda - Nove Mesto nad Vahom |
| Services: ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1996, 1999-2003 |
| |
| Motorway D1 Nove Mesto nad Vahom - Chocholna |
| Services: BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1995, 1997, 1999-2001 |
| |
| Motorway D1 Chocholna - Skala |
| Services: TS, ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1991-1995, 1996-1998, 1999 |
| |
| Motorway D1 Skala - Nemsova |
| Services: TS, ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1991-1995, 1996-1998, 1999 |
| |
| Motorway D1 Hricovske Podhradie – Lietavska Lucka |
| Services: ZPD, BPD, TD, DPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1997 - 1999, 2006 - 2008 |
| |
| Motorway D1 Lietavska Lucka - Visnove |
| Services: ZPD, BPD, TD, DPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1998 - 1999, 2006 - 2008 |
| |
| Motorway D1 Visnove – Dubna Skala |
| Services: ZPD, BPD, TD, DPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1999 - 1999, 2006 - 2008 |
| |
| Motorway D1 Hubova – Ivachnova |
| Services: ZPD, DPD, engineering |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2001, 2017 |
| |
| Motorway D1 Janovce - Jablonov |
| Services: ZPD, BPD, TD, DPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2003-2008 |
| |
| Motorway D1 Jablonov - Studenec, I. stage |
| Services: BDP, DPD, engineering |
| Client: Doprastav, a.s. |
| Year: 2009-2010 |
| |
| Motorway D1 Jablonov - Beharovce |
| Services: ZPD, BPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1995, 1998, 2001 |
| |
| Motorway D3 Hricovske Podhradie – Zilina (Strazov) |
| Services: ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1998-2000, 2004-2007 |
| |
| Motorway D3 Zilina (Strazov) – Zilina (Brodno) |
| Services: ZPD, BPD, TD, DPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1998-2000, 2005-2008, 2014 |
| |
| Motorway D3 Zilina (Brodno) – Kysucke Nove Mesto |
| Services: ZPD, BPD, TD, DPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1998-2000, 2005-2008 |
| |
| Motorway D3 Oscadnica – Skalite |
| Services: TS |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2000 |
| |
| Motorway D3 Skalite – hranica SR/PR |
| Services: ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1994-1998, 2002, 2003-2008 |
| |
| Motorway D3 Skalite - border SR/PR, right traffic line |
| Services: ZPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2009 |
| |
| Motorway D4 Jarovce - Ivanka |
| Services: TS |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2007 |
| |
| Technical and Traffic relations between Motorways D1, D4 and Road I/61 |
| Services: TS |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2007 |
| |
| Motorway Nose To Kom Valley, Turkey |
| Services: TS |
| Client: Geoconsult ZT, GmbH, Salzburg, Austria |
| Year: 1997 |
| |
| Motorway Bolu, Turkey |
| Services: TS |
| Client: Geoconsult ZT, GmbH, Salzburg, Austria |
| Year: 1994 |
| |
| Motorway IP3 Viseu - Chaves, Portugal |
| Services: TS |
| Client: Geoconsult ZT, GmbH, Salzburg, Austria |
| Year: 1998 |
| |
| Motorway Astana - Petropavlovsk, Kazakhstan, Motorway Intersection |
| Services: DPD |
| Client: Dopravoprojekt, a.s. |
| Year: 2006 |
| |
| Motorway Connection between D2 and Road I/2 Rusovce - Cunovo |
| Services: TS |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2004-2005 |
| |
| Motorway Feeder road Trencin |
| Services: TS, ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1995-1997, 1998-2002 |
| |
| Motorway feeder road Lietavska Lucka - Zilina |
| Services: TS, ZPD, BPD, TD, DPD, SSD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1997-1999, 2002, 2006-2008, 2013-2015 |
| |
| Feeder road Spisska Nova Ves - Levoca, I. stage |
| Services: ZPD, BPD |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 2007, 2009 |
| |
| Motorway D1 Beharovce - Branisko |
| Services: TS, EIA |
| Client: Narodna dialnicna spolocnost, a.s. |
| Year: 1995-1996 |
