The National Railroad Construction and Maintenance Association (NRC) is the only trade association organized specifically to serve the needs of the railroad and transit construction industry, and becoming an NRC member is easy. Currently the NRC has over 400 member companies.
Contractor: Companies active in the industrial track, railroad, and transit construction field, including maintenance of way, bridges, signal, welding, grinding, equipment leasing, etc.
Affiliate: Companies that are partially or completely owned by an NRC member company.
Associate: Companies that provide services to the construction industry but no materials or labor (i.e. architects, insurance brokers, law firms, etc.)
Supplier: Companies that supply materials to contractors, shop or job site, but provide no on-site labor.