| Abbreviation | Definition |
|---|---|
| RAIC | Russian-American Industrial Corporation |
| RAL | Robert Allan Ltd |
| RALD | Rosemarie Allaire Lighting Design |
| RAM | Remote Area Medical |
| RAM | Royal Air Maroc |
| RAMC | Royal Animal Medicine Company |
| RAMI | Real Asset Management International |
| RAMI | Rockford Area Music Industry |
| RAMP | Roy Ayers Music Production |
| RAMP | ROY AYERS Music Productions |
| RANA | Rimer Alco North America |
| RAND | Research and Development |
| RAP | Responsible Advanced Producer |
| RAPRA | Rubber And Plastics Research Association |
| RARC | Reckson Associates Realty Corporation |
| RARE | Ropemarks Artistic Rope Exchange |
| RARR | RAR, Inc. |
| RAS | Riunione Adriatica di Sicurtà |
| RAS | Rootes Armstrong Siddley |
| RASC | Residential Asset Securities Corporation |