From 1978 to 1993, he served as Director General of PHZ Kolmex S.A. - a railway sector company; during that time he executed one of their largest contracts ever to supply freight wagons for Iraqi Railways. Having left PHZ Kolmex S.A., in 1992  Gudzowaty set up the Bartimpex commodity trading operation, and in so doing leveraged his Russian relationships.
From 1978 to 1993, he held a leadership role at PHZ Kolmex S.A., a railway company; during this period, he managed one of their major contracts for supplying freight wagons to Iraqi Railways. After leaving PHZ Kolmex S.A., in 1992 Gudzowaty established Bartimpex and utilized his Russian connections.