| Waterworks and Sewage Systems45431803 | Parks Canada | $21,000 | Sep 16, 2020 |
| Construction Services45431755 | Parks Canada | $64,989.75 | Sep 15, 2020 |
| Construction Services45425361 | Parks Canada | $261.3K | Jan 24, 2020 |
| Demolition45413536 | Parks Canada | $93,339.75 | Feb 26, 2019 |
| Waterworks and Sewage Systems45411496 | Parks Canada | $13,539.75 | Dec 24, 2018 |
| Highways, Roads and Streets45404659 | Parks Canada | $15,750 | May 25, 2018 |
| Waterworks and Sewage Systems45397745 | Parks Canada | $47,250 | Jan 3, 2018 |
| Marine installationsF2470-170031 | Fisheries and Oceans Canada | $15,639.75 | Oct 30, 2017 |
| Non-professional personal service contracts not el45358769 | Parks Canada | $135.3K | Dec 6, 2015 |
| Non-professional personal service contracts not el45352808 | Parks Canada | $17,739.75 | Mar 2, 2015 |
| Decommission hydrometric gauging stationK4E21-13-0728 | Environment and Climate Change Canada | $17,000 | Nov 29, 2013 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~003)E0208-121711/001/PWW | Public Works and Government Services Canada | $270.1K | Dec 14, 2011 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~002)E0208-121711/001/PWW | Public Works and Government Services Canada | $270.1K | Dec 14, 2011 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~001)E0208-121711/001/PWW | Public Works and Government Services Canada | $270.1K | Dec 14, 2011 |
| RITCHIE CONSTRUCTION LTD (E0208-121711/001/PWW~000)E0208-121711/001/PWW | Public Works and Government Services Canada | $270.1K | Dec 14, 2011 |
| Non-professional personal service contracts not el45285771 | Parks Canada | $19,934.25 | Aug 9, 2010 |