| Abbreviation | Definition |
|---|---|
| RL | Reality Labs |
| RLA | Reflection Learning Associates |
| RLA | Robert Luttman & Associates |
| RLB | Ronald L. Branch Realty Group, Inc. |
| RLC | R. L. Clotworthy Construction |
| RLC | Red Light Communications |
| RLC | Robinsons Land Corp |
| RLC | Rotorcraft Leasing Company |
| RLCBC | Radio Lake Country Broadcasting Corporation |
| RLD | Real Life Designs |
| RLDC | Rajasthan Land Development Corporation |
| RLDC | Reno Land Development Company |
| RLDC | Rockford Local Development Corporation |
| RLE | Robert Lee Entertainment |
| RLF | Richards, Layton, & Finger |
| RLFC | Rosalind LUI Foundation Corporation |
| RLH | Pearson Reid London House |
| RLH | Robert L. Handwerk & Associates, L. L. C. |
| RLH | Robert L. Hynes Communications |
| RLI | Realtors Land Institute |