
We hope you will enjoy your stay.
STI is a one of the references in central Europe regarding tunneling construction.
We are proud to be the 4th on the slovak market, but we will always do our best to improve.
Please have a look at our current or already achieved projects, and what we can offer.
Reliability, efficiency, professionalism, that is everything you can expect from us.
We hope that you will find here every information you were coming for. If you need further details about our projects, references or ressources, do not hesitate to contact us.

| Skanstull - Solberga (Sweden - Stockholm) | |
| The High power cable tunnel. Location:a Southern part of Stockholm (Sweden) Project started in 10/2007 Project ended in 2009 |
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| Tunnel Leutenbach | |
| City Highway tunnel Location:, Baden Wurthemberg, Germany Project started in 2006 Project ended in 2008 |
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| Klimkovice highway tunnel | |
| Highway tunnel Location:Ostrava, Czech Republic Project started in June 2005 Project ended in 2006 |
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| Metro VI. C2 tunnel | |
| Subway Tunnel Location:Prague, Czech Republic Project started in 2004 Project ended in 2005 |
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| Hnevkov II railway tunnel | |
| Railway tunnel Location:Hnevkov, Czech Republic Project started in 2004 Project ended in 2005 |
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| Visnove tunnel | |
| Geological survey gallery Location:Visnove, Slovakia Project started in 1997 Project ended in 2004 |
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| Prague circuit tunnel | |
| Geological survey gallery Location:Prague, Czech Republic Project started in 2003 Project ended in 2004 |
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| Railway tunnel Krasikov | |
| Railway Tunnel Location:Krasikov, Czech Republic Project started in 2003 Project ended in 2004 |
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| Panenska tunnel | |
| Highway Tunnel Location:Panenska, Czech Republic Project started in 2003 Project ended in 2004 |
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| Metro VI. C1 tunnel | |
| Subway tunnel Location:Prague, Czech Republic Project started in 2001 Project ended in 2002 |
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| Dobroskeho tunnel | |
| Geological survey gallery Location:Czech Republic Project started in 2002 Project ended in 2002 | |
| Branisko tunnel | |
| Highway tunnel Location:Branisko, Slovakia Project started in 1996 Project ended in 2000 | |
| STI | |
|---|---|
| :Address | STI, spol. s r.o. Hlavná 74 053 42 Krompachy Slovakia |
| :Phone | +421.534.451.030 +421.534.452.054 |
| :Fax | +421.534.297.396 |
| sti@sti.sk | |
| DPS CZ | |
| :Address | DPS cz, spol. s r.o. Zenklova 32 180 00 Praha 8 - Liben Czech Republic |