| Abbreviation | Definition |
|---|---|
| RTPCL | Rec Transmission Projects Company Limited |
| RTPH | Rail to Trail Performance Horses |
| RTPI | Randy Torgerson, Private Investigator |
| RTPL | Rudraksha Technology Private Limited |
| RTPS | Round Table Procurement Services |
| RTRP | Research Triangle Regional Partnership |
| RTS | Reliable Transfer Services |
| RTS | Rexnord Technical Services |
| RTS | Rockford Tooling Systems |
| RTSB | Rentak Timur Sdn Bhd |
| RTSC | Regional Technical Support Center |
| RTSL | Real Time Systems Ltd |
| RTSL | Reuters Transaction Services Ltd |
| RTTC | Regional Touring Theatre Company |
| RTTF | Ringwood Trade Training Facility |
| RTW | Race The Wind Greyhound Adoption |
| RTW | Renaissance Theaterworks, Milwaukee, Wisconsin |
| RTW | Rock The World Productions, Inc. |
| RTW | Rothberg, Tamburini & Winsor, Inc. |
| RTX | Rotax Engines |