| Waterworks and Sewage Systems45431803 | Parks Canada | 21 000 $ | 16 sept. 2020 |
| Construction Services45431755 | Parks Canada | 64 989,75 $ | 15 sept. 2020 |
| Construction Services45425361 | Parks Canada | 261,3 k $ | 24 janv. 2020 |
| Demolition45413536 | Parks Canada | 93 339,75 $ | 26 févr. 2019 |
| Waterworks and Sewage Systems45411496 | Parks Canada | 13 539,75 $ | 24 déc. 2018 |
| Highways, Roads and Streets45404659 | Parks Canada | 15 750 $ | 25 mai 2018 |
| Waterworks and Sewage Systems45397745 | Parks Canada | 47 250 $ | 3 janv. 2018 |
| Marine installationsF2470-170031 | Fisheries and Oceans Canada | 15 639,75 $ | 30 oct. 2017 |
| Non-professional personal service contracts not el45358769 | Parks Canada | 135,3 k $ | 6 déc. 2015 |
| Non-professional personal service contracts not el45352808 | Parks Canada | 17 739,75 $ | 2 mars 2015 |
| Decommission hydrometric gauging stationK4E21-13-0728 | Environment and Climate Change Canada | 17 000 $ | 29 nov. 2013 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~003)E0208-121711/001/PWW | Public Works and Government Services Canada | 270,1 k $ | 14 déc. 2011 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~002)E0208-121711/001/PWW | Public Works and Government Services Canada | 270,1 k $ | 14 déc. 2011 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~001)E0208-121711/001/PWW | Public Works and Government Services Canada | 270,1 k $ | 14 déc. 2011 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~000)E0208-121711/001/PWW | Public Works and Government Services Canada | 270,1 k $ | 14 déc. 2011 |
| Non-professional personal service contracts not el45285771 | Parks Canada | 19 934,25 $ | 9 août 2010 |