| JOHN GRAY (EW076-111436/001/PWU~000)EW076-111436/001/PWU | Public Works and Government Services Canada | 132,3 k $ | 1 août 2012 |
| JOHN GRAY (EW076-121563/001/PWU~000)EW076-121563/001/PWU | Public Works and Government Services Canada | 8 999 $ | 3 nov. 2011 |
| JOHN GRAY (EW076-070028/001/PWU~002)EW076-070028/001/PWU | Public Works and Government Services Canada | 84 000 $ | 17 févr. 2009 |
| JOHN GRAY (EW076-070028/001/PWU~001)EW076-070028/001/PWU | Public Works and Government Services Canada | 84 000 $ | 17 févr. 2009 |
| JOHN GRAY (EW076-070028/001/PWU~000)EW076-070028/001/PWU | Public Works and Government Services Canada | 84 000 $ | 17 févr. 2009 |