LNER

The London and North Eastern Railway (LNER) was the second largest of the 'big Four' railway companies created by the Railways act of 1921 in Britain. It operated from 1 January 1923 and was was nationalised in 1948 along with the rest of the railway companies of Great Britain to form British Railways. It continued to exist as a legal entity for nearly two more years, being formally wound up on 23 December 1949.
Apart from an extensive number of railwaytracks, trains, and ferriest, the company als owned various ports around the UK and a large fleet of vessels, among them some 30 of dredgers: grabhopperdredgers, bucketladder dredgers, suction dredgers as well as tugs and barges.
 
Source: www.lner.info