Top Inventors at Groupe Permacon All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Bertin Castonguay | 7 |
| 2 | Eric Milot | 5 |
| 3 | Alain Ratte | 3 |
| #4 | Gilles Desharnais | 1 |
| #5 | Jean-Francois Boucher | 1 |
| #6 | Jean-Pierre Perreault | 1 |
| #7 | Jocelyn Caux | 1 |
| #8 | Pierre Michaud | 1 |
| #9 | Pierre Wilkie | 1 |
| #10 | Rejean Castonguay | 1 |
| #11 | Jacques Marc-Aurele | 1 |
| #12 | Waguih Chikani | 1 |
| #13 | Elie Chiniara | 1 |