| Abbreviation | Definition |
|---|---|
| SCLX | CanadianOxy Industrial Chemicals Limited Partnership |
| SCLX | PPG Industries Canada Stanchem Division |
| SCM | Strouds Creek and Muddlety Railroad |
| SCMX | Shell Oil |
| SCMX | Shell Oil Company |
| SCNX | South Carolina Electric and Gas |
| SCNZ | Shipping Corporation Of New Zealand |
| SCORT | Standing Committee on Rail Transportation |
| SCOX | Scoular Bishop Grain |
| SCOX | Scoular Company |
| SCOZ | Crab Orchard and Egyptian Railroad |
| SCPU | Alnery No. 954 Limited |
| SCPU | Alnery No. 954 Limited ( U. K.) |
| SCPU | Alnery Number 954 Limited |
| SCPX | Shell Oil |
| SCPX | Shell Oil Company |
| SCR | South Central Railway |
| SCR | Sydney Coal Railway |
| SCRA | Special Class Rail Apprentice |
| SCRA | Special Class Railway Apprentice |