| CONSULTANT SERVICES FOR COST ESTIMATE OF FABRICATION MOVABLE DOME958491 | National Research Council Canada | 63 000 $ | 22 oct. 2020 |
| RECOMMENDATION ON HOW TO FIX THE CRACK IN THE TELESCOPES RAIL929573 | National Research Council Canada | 10 500 $ | 3 juin 2019 |
| Measuring, controlling, laboratory, medical and optical equipment and parts896792 | National Research Council Canada | 23 598,75 $ | 16 nov. 2017 |
| ENGINEERING CONSULTANTS-OTHER (SPECIFY)3103420302 | National Research Council Canada | 22 400 $ | 1 févr. 2013 |
| DYNAMIC STRUCTURES LTD (31034-120302/001/VIC~000)31034-120302/001/VIC | Public Works and Government Services Canada | 25 000 $ | 21 déc. 2012 |
| ENGINEERING CONSULTANTS-OTHER (SPECIFY)793631 | National Research Council Canada | 11 200 $ | 5 sept. 2012 |
| ENGINEERING CONSULTANTS-OTHER (SPECIFY)773742 | National Research Council Canada | 18 999 $ | 11 oct. 2011 |