| P.t.a. Maintenance Inc | 5 | $958,005 | 3 | |
| ACTION PERSONNEL OF OTTAWA-HULL | 6 | $953,342 | 3 | |
| Melliecent Building AND YARD Maintenance | 3 | $948,701 | 1 | |
| ACE Cleaning CO | 13 | $948,303 | 1 | |
| GRH Entretien INC | 2 | $947,657 | 1 | |
| Dingwall Janitorial Services | 14 | $938,636 | 1 | |
| Window Butler | 8 | $937,886 | 1 | ✓ |
| Champion Furnace Cleaning Ltd. | 15 | $928,008 | 1 | |
| A & P Maintenance Services PTE LTD | 13 | $925,927 | 1 | |
| Doyle Maintenance Ltd., Larson | 2 | $916,247 | 1 | |
| Precise Janitorial Services | 10 | $915,828 | 3 | ✓ |
| Jani-king OF Manitoba | 22 | $913,777 | 2 | |
| Select Janitorial Inc. | 17 | $913,764 | 2 | |
| LAST CALL TO Clean IT ALL | 12 | $906,231 | 1 | |
| A DAT Janitorial Services Ltd. | 5 | $898,120 | 1 | |
| Mina Spence | 16 | $894,318 | 1 | |
| 7792395 Canada Inc (LRO Staffing) | 15 | $879,623 | 1 | |
| ALL Clean Natural LTD | 4 | $874,012 | 1 | |
| Harvey Leader | 6 | $866,250 | 1 | |
| Correia Enterprises Ltd. T/a BEE CL | 8 | $862,104 | 1 | |
| Nasittuq Corporation | 12 | $858,713 | 1 | |
| Ana's Hardy Clean | 11 | $852,883 | 2 | |
| Messa Computing Inc | 10 | $851,596 | 4 | |
| Gallason Industrial Cleaning | 14 | $851,128 | 1 | |
| 2298679 Ontario Inc. | 7 | $849,693 | 2 | ✓ |
| Foothills Custom Maintenance LTD | 18 | $848,698 | 1 | |
| Dobbelsteyn Service And Maintenance Ltd | 6 | $840,425 | 1 | |
| Nettoyage Integral 2012 INC | 9 | $837,749 | 1 | |
| Groupe SAAV INC | 5 | $835,678 | 1 | |
| GKM Industries | 26 | $834,816 | 1 | ✓ |
| Advanced Energy Management | 8 | $832,578 | 1 | |
| NATTIQ Inc | 7 | $829,279 | 3 | |
| Edcore Enterprise (1987) Ltd. Bee-clean Ottawa | 4 | $828,483 | 1 | |
| Experis Canada Inc. | 3 | $825,969 | 2 | |
| Norab Property Maintenance | 3 | $825,178 | 1 | |
| BLUE Water Construction 2010 Ltd. | 4 | $823,671 | 1 | |
| RB Cleaning | 5 | $818,546 | 1 | |
| Dilligaf Services | 4 | $817,772 | 1 | |
| Clean & Garbage | 10 | $815,064 | 1 | |
| ROBERT HALF CANADA INC. | 16 | $813,231 | 1 | |
| Sunrise Washroom Rentals Ltd | 19 | $812,657 | 4 | |
| ABM Janitorial SVCS Neast Inc. | 36 | $812,060 | 1 | |
| Topnotch Building Maintenance Ltd. | 4 | $805,024 | 1 | |
| Dussmann Gulf LLC | 10 | $804,541 | 1 | |
| Lorraine Spence | 7 | $802,899 | 1 | |
| Staff Shop Inc | 2 | $802,084 | 1 | |
| Upper Canada Cleaning Company LTD | 4 | $796,045 | 1 | |
| MaxSys | 3 | $793,617 | 1 | |
| Select Janitorial Services | 6 | $791,611 | 1 | |
| Debra Haider | 7 | $790,560 | 1 | |