| Engineering consultants - constructionK4A22-09-0124 | Environment and Climate Change Canada | $9,650 | Feb 1, 2010 |
| Engineering consultants - constructionK4A22-08-0126 | Environment and Climate Change Canada | $9,650 | Oct 28, 2008 |
| Engineering consultants-other (specify)K4A22-06-7900 | Environment and Climate Change Canada | $19,900 | Dec 3, 2006 |
| Engineering consultants - constructionK2620-05-0102 | Environment and Climate Change Canada | $16,500 | Oct 14, 2005 |
| Engineering consultants - constructionK2620-04-0016 | Environment and Climate Change Canada | $25,950 | Jul 16, 2004 |