| Beaudry Maintenance INC | 12 | $4,946,588 | 1 | |
| 9160 8737 Quebec Inc | 2 | $4,946,565 | 1 | |
| Dixie Cleaners & Laundry Services | 10 | $4,900,528 | 1 | |
| Diana’s Janitorial Services | 12 | $4,867,723 | 1 | |
| Diana's Janitorial Services | 12 | $4,867,723 | 0 | |
| Asbex LTD | 5 | $4,834,268 | 1 | ✓ |
| S.i. NET | 5 | $4,827,367 | 1 | |
| Service D'entretien Lagoa | 18 | $4,800,859 | 3 | |
| Les Entreprises Pierre Picard Inc | 9 | $4,793,125 | 1 | |
| Conciergerie J.l. Inc. | 19 | $4,785,070 | 2 | |
| Commissionaires (kingston) | 62 | $4,701,537 | 1 | |
| A-1 Sanitation | 92 | $4,686,931 | 1 | ✓ |
| Service D'entretien Lagoa / 9034-3476 Québec Inc. | 6 | $4,673,272 | 2 | |
| Eastern REAL Estate Co., Ltd. | 5 | $4,663,925 | 1 | |
| GOOD House Keeping | 10 | $4,585,405 | 1 | |
| C & K Services LTD | 19 | $4,568,397 | 2 | |
| Ontario Clean Water Agency | 17 | $4,557,985 | 3 | |
| M.a. Independent Building | 11 | $4,518,678 | 1 | |
| Prime Building Maintenance LTD | 8 | $4,464,932 | 1 | |
| Climate Works Heating AND Cooling | 2 | $4,309,876 | 1 | ✓ |
| CSI Electrical AND Maintenance LTD | 9 | $4,260,552 | 1 | |
| GM Developpement Inc. | 2 | $4,204,485 | 1 | |
| Correia Enterprises Ltd. | 24 | $4,114,716 | 2 | |
| SHIP Shape | 135 | $4,094,350 | 1 | |
| Papasay Bee-clean GP Ltd. | 3 | $3,831,018 | 2 | ✓ |
| D And J S Cleaning Services LTD | 9 | $3,748,690 | 1 | |
| Lebel 4 Seasons Services Inc | 11 | $3,738,674 | 1 | ✓ |
| 9119-5867 Québec Inc. | 19 | $3,733,667 | 2 | |
| Julius Rutherfoord & Co. Ltd. | 5 | $3,724,263 | 1 | |
| Aboriginal Cleaners | 6 | $3,611,214 | 1 | |
| Consultoria Y Administracion | 14 | $3,550,200 | 1 | |
| Quentin Caines | 5 | $3,542,634 | 1 | |
| Winmar London | 8 | $3,447,383 | 1 | ✓ |
| Cbm-custom Building Maintenance | 7 | $3,397,271 | 1 | |
| Ray's Steam Cleaning | 22 | $3,394,456 | 1 | |
| LONG Vuong | 7 | $3,313,797 | 1 | |
| Pimlico Productions Inc. | 7 | $3,243,394 | 1 | ✓ |
| Clean Water Works Inc | 26 | $3,186,676 | 5 | |
| Canadian Transit Company | 5 | $3,133,595 | 1 | ✓ |
| ROOF & Building Service INTL | 9 | $3,097,182 | 3 | |
| NET Inter SA | 5 | $3,090,293 | 1 | |
| Crystal Clean Maintenance Ltd. | 19 | $3,087,672 | 2 | |
| TFN Proprete NORD Normandie | 8 | $3,070,524 | 1 | |
| Wellgrow Management Services Co. | 7 | $3,059,260 | 1 | |
| Nippon Kanzai (k | 4 | $3,051,802 | 1 | |
| Sila Remediation Inc. | 2 | $3,048,961 | 1 | |
| ONUR Endustriyel Tem. Ilaclama GIDA | 14 | $2,983,643 | 1 | |
| JL Services SA | 9 | $2,963,559 | 1 | |
| Judoe-inc | 4 | $2,888,131 | 1 | |
| Michelle B BALL | 12 | $2,800,464 | 1 | |