| PERCS | Preference Equity Redemption Cumulative Stock 
| Others |
| PERCS | Preferred Equity Redemption Cumulative Stock
| Others |
| PERCS | Preferred Equity Redemption Cumulative Stocks
| Others |
| PERCS | Prepare, Educate, Respond, Collaborate, Support
| Others |
| PERCS | Pretreatment Emergency Response And Collection Systems
| Others |
| PERCS | Professional Education Resources and Conference Services
| Others |
| PERCS | Program to Enhance Relational and Communication Skills
| Others |
| PERCS | Programmable Easy-to-Use Reliable Computing System
| Others |
| PERCS | Project To Enhance Relational And Communication Skills
| Others |
| PERCS | Provincial Emergency Radio Communications Service
| Others |