| AECOM - Markham (ON) |
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| Allnorth - Prince George (BC) |
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| Aqseptence Group |
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| Ausenco - Vancouver (BC) |
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| BacTech Environmental Corp. - Toronto (ON) |
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| DRA - Toronto (ON) |
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| FLSmidth - Midvale (UT) |
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| Gekko Systems - Vancouver (BC) |
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| Golder Associates Ltd. - Mississauga (ON) |
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| Harrison Western - Lakewood (CO) |
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| Hatch - Mississauga (ON) |
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| J. L. Richards & Associates Limited - Ottawa (ON) |
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| Lycopodium Minerals Canada Ltd - Mississauga (ON) |
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| McLanahan Corporation - Hollidaysburg (PA) |
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| Met-Chem a division of DRA - Montréal (QC) |
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