| Rank | Abbreviation | Meaning |
|---|
| ***** | RCTC | Risk Capital and Technology Finance Corporation
| |
| *** | RCTC | Regional Collective Training Capability
| |
| *** | RCTC | Rescon Technology Corp.
| |
| *** | RCTC | Reserve Components Training Center
| |
| *** | RCTC | River City Track Club
| |
| ** | RCTC | Remodelors Council of the Twin Cities
| |
| * | RCTC | Royal Calcutta Turf Club
| |
| * | RCTC | Rochester Community and Technical College
| |
| * | RCTC | Roanoke Coal and Tile Company
| |
| * | RCTC | Refundable Child Tax Credit
| |
| * | RCTC | Regio Corpo Truppe Coloniali
| |
| * | RCTC | Riverside County Transportation Commission
| |
| * | RCTC | Rail Canada Traffic Controllers
| |
| * | RCTC | Russian Cycle Touring Club
| |
| * | RCTC | Rounded Circles Theatre Co
| |
| * | RCTC | Rauh Conservatory Theater Company
| |
| * | RCTC | Regional Computer Technology Center
| |
| * | RCTC | Regional Career Technical Center
| |
| * | RCTC | Regional Cancer Treatment Center
| |
| * | RCTC | Rochester Community and Tech College
| |
| * | RCTC | Rewritable Consumer Time Code
| |
| * | RCTC | Roberts City of Temecula
| |
| * | RCTC | Robot Club of Traverse City
| |
| * | RCTC | Ready Credit Corp (OTC Bulletin Board [OTCBB])
| |
| * | RCTC | Rancho Cienega Tennis Club
| |