Railroad Unions
- Transportation Workers Union
- Brotherhood of Locomotive Engineers and Trainmen
- International Brotherhood of Electrical Workers
- International Association of Machinists
- Brotherhood of Railroad Signalmen (BRS)
- Brotherhood of Maintenance of Way Employees (BMWED)
- Sheet Metal Workers’ International Association (SMWIA)
- International Brotherhood of Electrical Workers (IBEW)
State & Federal Resources
- Federal Railroad Administration
- U.S. Department of Labor – Occupational Safety & Health Act – Federal Railroad Safety Act
- U.S. Department of Labor – OSHA Offices
- U.S. Department of Labor Whistleblower Protection for Railroad Employees
- U.S. Department of Labor Employment Law Guide – Compliance Assistance Policy
- American Federation of Labor-Congress of Industrial Organizations (AFL-CIO)
- United States Railroad Retirement Board
Railroad Lines
- Metropolitan Transportation Authority Metro – North Railroad
- New Jersey Transit
- SEPTA
- PATH – Port Authority of New York & New Jersey
- CSX
- Norfolk Southern
- Union Pacific
- American Passenger Trains & Transit – General
- Passenger Trains & Transit – Mountain Region
- Passenger Trains & Transit – Pacific Region
- Passenger Trains & Transit – South Central U.S.
- Passenger Trains & Transit – Midwest Region
- Passenger Trains & Transit – Southeast Region
- Passenger Rail Advocacy & High Speed Rail
- Freight Railroads – North America
