| Risk Assessment Dipl.-Ing. Dr. Alexius Vogel GesmbH |
Austria |
| Chladek & Tintera a.s. Litomerice |
Czech Republic |
| Kölngleis Gleisbau GmbH & CoKG |
Germany |
| Hartl GesmbH |
Austria |
| Federal Austrian Railways |
Austria |
| Maba Prefa Veseli spol.s.r.o. |
Czech Republic |
| Swietelsky Baugesellschaft mbH |
Austria |
| Brno University of Technology |
Czech Republic |
| Vienna University of Technology |
Austria |
| Wopfinger Baustoffindutrie GesmbH |
Austria |
| Work Research Institute |
Norway |
