The most current round of bargaining includes 28 railroads represented by the National Carriers’ Conference Committee and 12 rail unions:
- International Association of Sheet Metal, Air, Rail and Transportation Workers – Transportation Div. (SMART-TD & SMART-TD-YDM)
- Brotherhood of Maintenance of Way Employees (BMWE)
- Brotherhood of Locomotive Engineers & Trainmen (BLET)
- Brotherhood Railway Carmen (BRC)
- Brotherhood of Railroad Signalmen (BRS)
- International Association of Machinists and Aerospace Workers (IAM)
- International Brotherhood of Electrical Workers (IBEW)
- Transportation Communications International Union (TCU)
- National Conference of Firemen and Oilers (NCFO)
- American Train Dispatchers Association (ATDA)
- International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART)
- International Brotherhood of Boilermakers, Blacksmiths, Iron Ship Builders, Forgers and Helpers (IBB)
