FleetBoston, CSX Corporation, Aetna, Union Pacific Railroad, RJ Reynolds Tobacco and Lehman Brothers were among the companies named in the case.

BBC: NEWS | Business | The vexed question of paying for slavery

Union Pacific posted solid Q3 2012 results with revenue growth of 5% during the quarter while CSX Corporation and Norfolk Southern reported revenue declines.

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In the most important court decision on this issue prior to last September, the Court of Appeals for the Fifth Circuit concluded in CSX Corporation v.

FORBES: The Top Ten Tax Cases Of 2012, #2: Get Your Refund Claims Ready - The Sixth Circuit Holds That Severance Payments Are Not Subject To FICA