Nakhonpathom - Chumphon:
DC Asia
Gaschwitz - Böhlen:
GRE German Rail Engineering GmbH
Prachuap Khiri Khan:
DC Asia
BAB A 24, km 219,410:
BDC Dorsch Consult
Berlin Neukölln:
BDC Dorsch Consult
Rostock:
BDC Dorsch Consult
Bremerhaven:
BDC Dorsch Consult
Arusha to Musoma:
GRE German Rail Engineering GmbH
Neumünster:
BDC Dorsch Consult