Perhaps you were looking for one of these?

• AB Akron and Barberton Cluster Railway Company
• ACIS Algoma Central Railway Incorporated
• ACZX Norfolk Southern Railway Company
• ADIX Adirondack Railway Preservation Society
• AEC Atlantic and East Carolina Railway Compa
• AF Alabama and Florida Railway Company
• AFRX AF Railway Industries Incorporated
• AKDN Acadiana Railway Company
• ALKX Airlake Terminal Railway Co.
• ALS Alton & Southern Railway
• ALT AIRLAKE TERMINAL RAILWAY COMPANY
• AMHZ American Highway Inc
• AMMX Kentucky-Tennessee Clay Company
• ANY Athabasca Northern Railway
• ANYU ONE WAY LEASE INC.
• AOEX American Orient Express Railway Company
• APA Apache Railway Company
• ARND Arnaud Railway
• ASAB Bay Line Railroad LLC
• ASHX Solvay Chemicals, Inc.
• ASRY Ashland Railway
• ATN Alabama & Tennessee River Railway Llc
• AUAR Austin Area Terminal Railway
• AWW Algiers Winslow and Western Railway
• AZER Arizona Eastern Railway Company
• AZMX Arizona Railway Museum
• BALX Bayer Corporation
• BAPX Bay Area Piggyback Incorporated
• BAYER BAYER
• BAYL Bay Line, LLC
• BAYOU BAYOU
• BAYU Mobay Chemical Corporation
• BAYX Bayer Corporation
• BCH Southern Railway of British Columbia Limited
• BCIT Canadian National Railways
• BCIU Bay Cities Leasing Company
• BCLR Bay Colony
• BCNE Canadian National Railway
• BCOL Canadian National Railways
• BCR Bay Coast Railroad
• BCRY Cando Contracting Limited (Barrie-Collingwood Railway)
• BHRR Birmingham Terminal Railway
• BJRY Burlington Junction Railway
• BMDZ Minnesota Dakota and Western Railway Com
• BNAU Burlington Northern and Santa Fe Railway Company
• BNG Blackwell Northern Gateway Railroad Comp
• BNO Burlington Northern and Santa Fe Railway Company
• BNQ Burlington Northern and Santa Fe Railway
• BNSF BNSF Railway
• BNZ Burlington Northern and Santa Fe Railway