A CFL subsidiary since 2004 and under the supervision of the Director of Passenger Activities, as of April 2020 the Norddeutsche Eisenbahngesellschaft neg Niebüll GmbH employs 78 people, including 6 apprentices.
Until 2025 and under a contract with the State Schleswig-Holstein, the subsidiary operates the 45 kilometers long Niebüll - Dagebüll train line, close to the North Sea.
The neg lines were renovated in 2007. Since then, the number of passengers between Niebüll and Dagebüll has increased by 25% and reached 330,000 in 2019. Many holidaymakers take advantage of the rail transport to reach the Föhr Islands ferry and Amrum, not far from Niebüll.
Managing the operations of the Neumünster shunting yard, in November 2006 neg entrusted the carriage of goods in Germany and Denmark to the sister companies CFL cargo Germany and CFL cargo Denmark.