| Abbreviation | Definition |
|---|---|
| PTBA | Professional Trail Builders Association |
| RAAG | Road Accident Action Group |
| RALC | Regional Alternative Licensing Center |
| RBEC | Registered Building Envelope Consultant |
| RCC | Retail Council of Canada |
| RGPC | Regional Geriatric Program Central |
| RHA | Road Haulage Association |
| RMRA | Romanian Mint Rubbing Association |
| ROANA | Recreational Oxygen Association of North America |
| RVIT | Round Valley Indian Tribes |
| SABBA | Stratford and Area Bed and Breakfast Association |
| SATCC | Saskatchewan Apprenticeship and Trade Certification Commission |
| SAWDAC | Siding And Window Dealers Association of Canada |
| SCGT | Saturday Club Global Trust |
| SDRG | South Dorset Repeater Group |
| SDTA | Sewing Dealers Trade Association |
| SDTG | System Development Technical Group |
| SFTA | Sustainable Food Trade Association |
| SGEE | Suppliers' Group for Eastern Europe |
| SICASA | Southern India Chartered Accountant Students' Association |