| Échantillonneurs de " Canister - Budget PTI810234 | Ville de Montréal | 198,64 $ | 11 déc. 2012 |
| Échantillonneurs de " Canister - Budget PTI810234 | Ville de Montréal | 13 110,24 $ | 4 déc. 2012 |
| XONTECK INC (K8A21-100276/001/PV~002)K8A21-100276/001/PV | Public Works and Government Services Canada | 71 853 $ | 1 mars 2011 |
| XONTECK INC (K8A21-100276/001/PV~001)K8A21-100276/001/PV | Public Works and Government Services Canada | 71 853 $ | 1 mars 2011 |
| XONTECK INC (K8A21-100276/001/PV~000)K8A21-100276/001/PV | Public Works and Government Services Canada | 71 853 $ | 1 mars 2011 |
| XONTECK INC (K8A21-090182/001/PV~001)K8A21-090182/001/PV | Public Works and Government Services Canada | 126,2 k $ | 14 déc. 2009 |
| XONTECK INC (K8A21-090182/001/PV~000)K8A21-090182/001/PV | Public Works and Government Services Canada | 126,2 k $ | 14 déc. 2009 |