Matches in DBpedia 2014 for { ?s <http://dbpedia.org/property/marks> ?o. }
- AN_Railway marks "AN".
- AT&L_Railroad marks "ATLT".
- Abbeville–Grimes_Railway_Company marks "AG".
- Aberdeen,_Carolina_and_Western_Railway marks "ACWR".
- Aberdeen_and_Rockfish_Railroad marks "AR".
- Acadiana_Railway marks "AKDN".
- Adirondack_Scenic_Railroad marks "ADIX".
- Adrian_and_Blissfield_Rail_Road marks "ADBF".
- Agence_métropolitaine_de_transport marks "AMT".
- Airlake_Terminal_Railway marks "ALT".
- Akron,_Canton_and_Youngstown_Railroad marks "AB&C".
- Akron_Barberton_Cluster_Railway marks "AB".
- Akron_and_Barberton_Belt_Railroad marks "ABB".
- Alabama,_Tennessee_and_Northern_Railroad marks "AT&N".
- Alabama_&_Tennessee_River_Railway marks "ATN".
- Alabama_Great_Southern_Railroad marks "AGS".
- Alabama_Railroad marks "ALAB".
- Alabama_Southern_Railroad marks "ABS".
- Alabama_Warrior_Railway marks "ABWR".
- Alabama_and_Florida_Railway marks "AF".
- Alabama_and_Gulf_Coast_Railway marks "AGR".
- Alameda_Belt_Line marks "ABL".
- Alaska_Railroad marks "ARR".
- Albany_Port_Railroad marks "APD".
- Albany_and_Eastern_Railroad marks "AERC".
- Alexander_Railroad marks "ARC".
- Algers,_Winslow_and_Western_Railway marks "AWW".
- Algoma_Central_Railway marks "AC".
- Algoma_Eastern_Railway marks "AER".
- Aliquippa_and_Ohio_River_Railroad marks "AOR".
- Allegheny_Railroad marks "ALY".
- Allegheny_Valley_Railroad marks "AVR".
- Allegheny_and_Eastern_Railroad marks "ALY".
- Allegheny_and_South_Side_Railway marks "AYSS".
- Almanor_Railroad marks "AL".
- Altamont_Corridor_Express marks "ACEX".
- Alton_Railroad marks "C&A".
- Alton_and_Southern_Railway marks "ALS".
- Amador_Central_Railroad marks "AMC".
- Amtrak marks "AMTK, AMTZ".
- Amtrak_California marks "CDTX".
- Andalusia_and_Conecuh_Railroad marks "ACRC".
- Andersonia,_California marks "?".
- Angelina_and_Neches_River_Railroad marks "ANR".
- Ann_Arbor_Railroad_(1895–1976) marks "AA".
- Ann_Arbor_Railroad_(1988) marks "AA".
- Apache_Railway marks "APA".
- Appanoose_County_Community_Railroad marks "APNC".
- Aqaba_Railway_Corporation marks "ARC".
- Arcade_and_Attica_Railroad marks "ARA".
- Arcata_and_Mad_River_Railroad marks "AMR".
- Arizona_Central_Railroad marks "AZCR".
- Arizona_Eastern_Railway marks "AZER".
- Arizona_and_California_Railroad marks "ARZC".
- Arkansas,_Louisiana_and_Mississippi_Railroad marks "ALM".
- Arkansas_Midland_Railroad_(1992) marks "AKMD".
- Arkansas_Southern_Railroad marks "ARS".
- Arkansas_and_Missouri_Railroad marks "AM".
- Arkansas–Oklahoma_Railroad marks "AOK".
- Armenian_Railways marks "HYU".
- Aroostook_Valley_Railroad marks "AVR".
- Ashland_Railway marks "ASRY".
- Atchison,_Topeka_and_Santa_Fe_Railway marks "ATSF".
- Athabasca_Northern_Railway marks "ANY".
- Atlanta,_Birmingham_and_Coast_Railroad marks "AB&C".
- Atlantic_Coast_Line_Railroad marks "ACL".
- Atlantic_and_Danville_Railway marks "A&D".
- Atlantic_and_East_Carolina_Railway marks "AEC".
- Atlantic_and_Gulf_Railroad_(1991–99) marks "AGLF".
- Atlantic_and_Western_Railway marks "ATW".
- Augusta–Aiken_Railway_and_Electric_Corporation marks "AARY".
- Austin_Area_Terminal_Railroad marks "AUAR".
- Austin_Western_Railroad marks "AWRR".
- Autauga_Northern_Railroad marks "AUT".
- B&H_Rail_Corporation marks "BH".
- BC_Rail marks "BCOL, BCIT".
- BHP_Nevada_Railroad marks "BHP".
- BNSF_Railway marks "BNSF".
- Baghdad_Railway marks "CIOB".
- Baja_California_Railroad marks "BJRR".
- Ballard_Terminal_Railroad marks "BDTL".
- Baltimore_and_Ohio_Chicago_Terminal_Railroad marks "BOCT".
- Baltimore_and_Ohio_Railroad marks "BO".
- Bangor_and_Aroostook_Railroad marks "BAR".
- Barrie_Collingwood_Railway marks "BCRY".
- Batesville_Southwestern_Railroad marks "BSW".
- Batten_Kill_Railroad marks "BKRR".
- Bauxite_and_Northern_Railway marks "BXN".
- Bay_Coast_Railroad marks "BCR".
- Bay_Colony_Railroad marks "BCLR".
- Bay_Line_Railroad marks "BAYL".
- Belarusian_Railway marks "BČ, BŽD".
- Belfast_and_Moosehead_Lake_Railroad_(1871–2007) marks "BML".
- Belfast_and_Moosehead_Lake_Railroad_(2009) marks "B&ML".
- Belt_Railway_of_Chicago marks "BRC".
- Belvidere_and_Delaware_River_Railway marks "BDRV".
- Bessemer_and_Lake_Erie_Railroad marks "BLE".
- Bi-State_Development_Agency marks "BSDA".
- Birmingham_Terminal_Railway marks "BHRR".
- Black_Mesa_and_Lake_Powell_Railroad marks "BLKM".