Perhaps you were looking for one of these?

• KYRX Progress Rail Services Corporation
• PEFX Progress Energy Florida
• PGR Progressive Rail, Inc
• PMRX Progress Metal Reclamation Company
• PRLX Progress Rail
• PRSX Progress Rail Service
• ROKX CAROLINA POWER & LIGHT CO. d/b/a PROGRESS ENERGY CAROLINAS, INC
• SLGG Progress Rail Services Corporation
• SPSX Progress Rail Services Corp