MD Louisiana February 2003 casesUnited Ass'n of Journeymen and Apprentices of Plumbing and Pipe Fitting Industry of United States and Canada, AFL-CIO v. International Maintenance Co.O'Quin v. Verizon WirelessFerguson v. AshcroftUnited Assoc. of Journeyman v. International Maintenance Co.Howard v. AshcroftLandry v. Georgia Gulf Corporation