Perhaps you were looking for one of these?

• ACWX CAROLINA LEASING & CONTRACTING CORPORATION
• AGYX Centrex Construction Products Inc (American Gypsum Company)
• BCRY Cando Contracting Limited (Barrie-Collingwood Railway)
• BJRY Burlington Junction Railway
• BLOL Bloomer Shippers Connecting Railroad Co.
• CCCL Connecticut Central Railroad Company
• CCGX Cando Contracting Limited
• CCT Central California Traction Company
• CMCX Sweetman Construction Company
• CNDX Connecticut Department of Transportation
• COGX Rail Connection, Inc.
• CSOR Connecticut Southern
• CTIU CTI-Container Transport International Incorporated
• CTIZ CTI-Container Transport International Incorporated
• DC Delray Connecting Railroad Company
• DCON Detroit Connecting
• DJRR Decatur Junction
• DT Decatur Junction Railway Company
• EPTC East Portland Traction
• ESLJ East St. Louis Junction Railroad
• FGWX Federal Grain Inspection Service (USDA) (Scale Test Cars)
• HZGX Herzog Contracting Corporation
• IAT IOWA TRACTION RAILROAD CO
• IATR Iowa Traction Railroad Company
• JCMX Junction City Mining
• JOSX Rail Connection, Inc
• KIMX Kimmins Contracting Corp
• KJR Kiski Junction Railroad
• KJRY Keokuk Junction
• LAJ Los Angeles Junction Railway
• MCRR Monongahela Connecting RR Company
• MET Modesto and Empire Traction Company
• MJ Manufacturers'' Junction Railway Company
• MKC McKeesport Connecting Railroad Company
• MSPX P4 Productions LLC
• NIAJ Niagara Junction
• OTCR Oakdale Traction Corporation
• PRTD Portland Traction
• PTRD Portland Traction Co., Portland R.R. and Terminal Division
• PWCT Philadelphia & West Chester Traction
• RCFX Railroad Construction Company
• SOTX Southern Concrete Construction Company Incorporated
• TTRU Tropical Shipping and Construction Company Limited
• WKHX Rail Connection, Inc.
• WPGX Western Paving Construction Company
• WWIB Western Weighing & Inspection Bureau