| Engineering services3000747619 | Environment and Climate Change Canada | $39,931.50 | Jun 6, 2022 |
| Update to national pollutant release inventory tools and guidance for storage tanks emissions3000715617 | Environment and Climate Change Canada | $28,431.02 | Nov 3, 2020 |
| Review Upstream Oil and Gas Fugitive Emissions Model for various equipment3000714488 | Environment and Climate Change Canada | $18,228 | Oct 15, 2020 |
| Oil and Gas Sector workshop3000696048 | Environment and Climate Change Canada | $16,397.50 | Sep 16, 2019 |
| Original Amount $0.00Flaring in jurisdictions outside of Canada3000625181 | Environment and Climate Change Canada | $24,999 | Oct 24, 2016 |
| Original Amount $0.00Compilation of the Oil Sands Mining and Bitumen Report3000609532 | Environment and Climate Change Canada | $207K | Apr 5, 2016 |
| Scientific services, excluding consultantsKM061-14-1209 | Environment and Climate Change Canada | $19,964 | Oct 16, 2014 |
| Original Amount $324800.00This contract includes one or more amendments.Provide services for Greenhouse Gas inventory for Science & Technology BranchK8A46-09-0018 | Environment and Climate Change Canada | $329.8K | Mar 31, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~007)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~006)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~005)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~004)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~003)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~002)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~001)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| CLEARSTONE ENGINEERING LTD (K8A46-090018/001/SV~000)K8A46-090018/001/SV | Public Works and Government Services Canada | $346.3K | Jan 16, 2012 |
| Other Prof. Serv. - Management consulting - OGD or programsK2A15-11-0016 | Environment and Climate Change Canada | $23,775 | Aug 31, 2011 |
| Other Prof. Serv. - Management consulting - OGD or programsK8A46-10-0013 | Environment and Climate Change Canada | $23,775 | Sep 8, 2010 |
| Other Prof. Serv. - Management consulting - OGD or programsKB026-06-0003 | Environment and Climate Change Canada | $69,721.80 | Dec 8, 2006 |
| Other Prof. Serv. - Management consulting - OGD or programsK8A46-06-0017 | Environment and Climate Change Canada | $22,550 | Oct 31, 2006 |
| Non-professional personal service contracts not elsewhere specifiedKA511-06-0579 | Environment and Climate Change Canada | $17,900 | Aug 31, 2006 |
| Scientific consultantsKA511-05-0334 | Environment and Climate Change Canada | $19,990 | Jun 21, 2005 |
| Other Prof. Serv. - Management consulting - OGD or programsK2362-04-0078 | Environment and Climate Change Canada | $23,300 | Sep 20, 2004 |
| Other Prof. Serv. - Management consulting - OGD or programsK2362-4-0003 | Environment and Climate Change Canada | $13,490.40 | Apr 2, 2004 |