| Abbreviation | Definition |
|---|---|
| SLC | Student Loans Company |
| SLC | Summit Life Coaching |
| SLCC | Silver Lake Conference Center |
| SLCD | Scandinavian Log Cabins Direct |
| SLD | Scientific Laboratory Division |
| SLDC | St Louis Development Corporation |
| SLDC | Syracuse Local Development Corporation |
| SLDI | Sussex Long Distance Inc |
| SLDMC | Sieria Leone Diamond Mining Cooperation |
| SLE | Semi Logic Entertainments, inc. |
| SLE | Shanda Lear Enterprises |
| SLE | St. Leye Electrical |
| SLEB | St Louis Electrical Board |
| SLEC | Sun Lane Engineering Company |
| SLeM | Stichting Landschapstheater en Meer |
| SLF | Schwartz, Levitsky, Feldman, L.L.P. |
| SLF | Schwartz, Levitsky, Feldman, LLP |
| SLFC | Student Loan Finance Corporation |
| SLG | Schwabe, Ley, & Greiner |
| SLH | Small Luxury Hotel |