| Abbreviation | Definition |
|---|---|
| QUSTW | Questron Technology, Inc. |
| QVCA | QVC, Inc. Class A (de-listed) |
| QVCB | QVC, Inc. Class B (de-listed) |
| QWTR | Quest Water Global, Inc. |
| QXLC | QXL.com, P. L. C. |
| QZAFQ | Q Entertainment, Inc. |
| RABIE | R A B Industries, Inc. |
| RACCE | Reliance Acceptance Group |
| RACE | D A T A R A C E, Inc. |
| RACG | Automotive Performance Group |
| RACHE | Go-Rachels.com Corporation |
| RACN | Racing Champions Corporation |
| RACNW | Racing Champions Corporation Warrants |
| RADA | Radica Games, LTD. |
| RADIF | RADA Electronics Industries, LTD. |
| RADN | RADYNE Comstream, Inc. |
| RADNW | RADYNE Comstream, Inc. Warrants |
| RADOE | Alliance Broadcasting Group |
| RADS | Radiant Systems, Inc. |
| RADX | adiance Medical Systems |