| RTCI | Radiation Therapy Cancer Institute
| Others |
| RTCI | Reach The Children, Inc.
| Others |
| RTCI | Real-Time Compound Imaging
| Others |
| RTCI | Remote Transmitter Control Interface
| Others |
| RTCI | Research Triangle Commerce, Inc.
| Others |
| RTCI | Research Triangle Consultants, Inc.
| Others |
| RTCI | Residual Trap Catch Index
| Others |
| RTCI | Resistance To Change Index
| Others |
| RTCI | Rochester Telephone Company, Inc.
| Others |
| RTCI | Rockland Teachers Center Institute
| Others |
| RTCI | Run Time Class Information
| Others |
| RTCI | Rural Telephone Company, Inc.
| Others |
| RTCI | Rural Transportation Coalition Initiative
| Others |