| Abbreviation | Definition |
|---|---|
| SDC | Sheppard Decorating Company |
| SDC | Solutions Development Center |
| SDC | Solutions Development Corporation |
| SDC | Space Data Corporation |
| SDC | Steven Douglas Corp |
| SDC | Swingers Date Club |
| SDC | Swinger's Date Club |
| SDC | System Development Corporation |
| SDC | System Dynamics Corporation |
| SDC | Systems Development Corporation |
| SDCL | Structural Dynamics and Controls Laboratory |
| SDCSC | South Dearborn Community School Corporation |
| SDDS | Summer Document Delivery Service |
| SDE | Sunshine Diversified Enterprises |
| SDEC | Shanghai Diesel Engine Company |
| SDEL | S D Enterprises Ltd |
| SDFC | South Dublin Ford Centre |
| SDFC | Swiss Development Finance Corporation |
| SDFL | Skills Development Fund Ltd |
| SDHM | San Diego's House of Motorcycles |