These agreements cover the following groups:
- The Brotherhood of Maintenance of Way Employes Division of the International Brotherhood of Teamsters (BMWED), covering maintenance of way employees;
- The International Association of Machinists & Aerospace Workers (IAM) covering machinists and roadway mechanics.
- The International Association of Sheet Metal, Air, Rail and Transportation Workers – Transportation Division (SMART-TD), covering the yardmasters;
- The Brotherhood of Railway Carmen (BRC) covering carmen at the Fruit Growers Express Company subsidiary of CSX;
- The Transportation Communications Union (TCU) covering the clerical craft at Fruit Growers Express;
- The American Railway and Airway Supervisors' Association (ARASA) covering mechanical department supervisors; and
- The B&O Joint Council (BOJC) covering mechanical department foremen/supervisors.
