| Abbreviation | Definition |
|---|---|
| PRCC | Pollution Research and Control Company |
| PRCE | Pearce Systems International |
| PRCIE | Pierce International, Inc. |
| PRCM | Procom Technology, Inc. |
| PRCP | Perceptron, Inc. |
| PRCY | Procyte Corporation |
| PRDE | Pride Companies, L. P. |
| PRDS | Predictive Systems, Inc. |
| PRE | Par Rate of Exchange |
| PRED | Orlando Predators Entertainment |
| PRED | Predictive Technology Group Incorporated |
| PREDW | Orlando Predators Entertainment Warrants |
| PREDW | Orlando Predators Entertainment Warrants (de-listed) |
| PREDW | Orlando Predators Entertainment Warrants (de-listed) |
| PREF | Power Efficiency Corporation |
| PREFE | Power Efficiency Corporation |
| PREN | Price Enterprises, Inc. |
| PRENP | Price Enterprises, Inc. |
| PREO | Precision Optics, Inc., of New Jersey |
| PREO | Precision Optics, Incorporated (de-listed) |