The National Railway Company of Belgium is the national railway company of Belgium. The company formally styles itself using the Dutch and French abbreviations NMBS/SNCB. The corporate logo designed in 1936 by Henry van de Velde consists of the linguistically neutral letter B in a horizontal oval.

Infrabel is a Belgian government-owned public limited company. It builds, owns, maintains and upgrades the Belgian railway network, makes its capacity available to railway operator companies, and handles train traffic control.