| 1 | AZCA | ARIZONA CATTLE | | | SCAC3 |
| 2 | AZCC | AZTEC COPPER INC | | | SCAC4 |
| 3 | AZCD | ARIZONA CONTAINER DISTRIBUTION INC | | | SCAC3 |
| 4 | AZCG | ARIZONA CARGO PICK-UP & DELVIERY IN | | | SCAC3 |
| 5 | AZCL | ARIZONA CENTRAL LINES | | | SCAC3 |
| 6 | AZCL | AZTEC LOGISTICS LLC | | | SCAC4 |
| 7 | AZCN | AZTEC TRANSPORTATION LLC | | | SCAC4 |
| 8 | AZCO | AZCO HENNES INC | | | SCAC3 |
| 9 | AZCQ | AZ-CAR-GO | | | SCAC3 |
| 10 | AZCR | Arizona Central R.R., Inc. | added 7/1989; 1/1994-7/2005; eliminated 1/2008 | | NAKINA |
| 11 | AZCR | Arizona Central R.R., Inc. | added 7/89; 1/94-7/2000 | | NRHS |
| 12 | AZCR | ARIZONA CENTRAL RAILROAD INC. | | | PWRC |
| 13 | AZCR | Arizona Central Railroad | | | RSRV |
| 14 | AZCR | ARIZONA CENTRAL RAILROAD INC | | | SCAC3 |
| 15 | AZCR | Arizona Central Railroad / Verde Canyon Railroad | The Arizona Central Railroad (reporting mark AZCR) is an Arizona shortline railroad that operates from a connection with the BNSF Railway at Drake. The AZCR runs 37.8 miles (60.8 km) from Drake to Clarkdale, Arizona. An excursion train also runs on the line through Verde Canyon and is operated by the same owners under the Verde Canyon Railroad. | USA | TRAFFIC |
| 16 | AZCS | ANZELDE CARTAGE SERVICE | | | SCAC3 |
| 17 | AZCT | ARIZONA COACH TOURS INC | | | SCAC3 |
| 18 | AZCX | Azcon Corp. | added 10/1996; eliminated 7/1998; 7/2000-7/2005 (not listed) | | NAKINA |
| 19 | AZCX | American Zinc & Chemical Co. | 8/1920-1/1943; 1/1945 (not listed) | | NAKINA |
| 20 | AZCX | American Zinc & Chemical Co. | Apr-38 | | NRHS |
| 21 | AZCX | Azcon Corp. | added 10/96; eliminated 7/98; 7/2000 | | NRHS |
| 22 | AZCX | *AMERICAN ZINC & CHEMICAL CO.. | | | PWRC |
| 23 | AZCX | +AZCON CORPORATION | | | PWRC |
| 24 | AZCX | Azcon Corporation | | | RSRV |
| 25 | AZCX | AZCON CORPORATION | | | SCAC4 |
| 26 | AZCY | ANZIO SHIPPING COMPANY LIMITED | | | SCAC4 |
