| Admiral Building Maintenance 2000 Ltd | 45 | $2,797,050 | 2 | |
| Messy Cleaners | 11 | $2,782,072 | 2 | |
| Buffalo And Fort Erie | 4 | $2,734,386 | 1 | ✓ |
| Fabric Care Cleaners Ltd | 13 | $2,730,994 | 1 | |
| Homernik Cleaning Services Ltd. | 7 | $2,709,533 | 1 | |
| Atlantic Industrial Cleaners | 73 | $2,697,049 | 2 | |
| NRA Services INC | 9 | $2,693,022 | 2 | |
| DEEP Clean Maintenance Ltd. | 26 | $2,682,218 | 1 | |
| Allied Building Services(quebec) INC | 3 | $2,655,276 | 1 | |
| Societe En Commandite Kevlar | 2 | $2,653,280 | 1 | |
| NEW Generation Janitorial | 7 | $2,601,875 | 1 | |
| Barta BETI Holdings LTD | 5 | $2,594,763 | 1 | |
| Super Clean Services Ltd. | 36 | $2,505,501 | 2 | |
| P.e.a.c.e. Entretien Inc. | 10 | $2,429,168 | 1 | |
| A1 Toilet Rentals | 2 | $2,403,573 | 1 | ✓ |
| Manila Cleaning Services LTD | 11 | $2,375,630 | 1 | |
| ATCO Frontec Ltd. | 10 | $2,356,399 | 2 | |
| LAB 1 | 6 | $2,352,519 | 1 | |
| Edcore Enterprises | 3 | $2,325,884 | 1 | |
| 10647802 Canada Limited | 7 | $2,301,911 | 1 | ✓ |
| H & M Housing INC | 3 | $2,288,217 | 1 | |
| LES Services D'entretien Menager Speico | 4 | $2,278,670 | 1 | |
| LES Services Menagers ROY Ltee. | 9 | $2,263,519 | 2 | |
| Gestion Sanicom INC | 5 | $2,251,520 | 1 | |
| CS Clean Systems INC | 35 | $2,242,165 | 1 | |
| Rebecca Redmond Maclean LAW Office | 5 | $2,217,985 | 1 | |
| Laurenty | 11 | $2,215,881 | 1 | |
| P.e.a.c.e. Plus Maintenance Inc. | 10 | $2,195,763 | 1 | |
| LEE Conciergerie Inc. | 3 | $2,193,228 | 1 | |
| Mclean Taylor Construction Limited | 3 | $2,173,150 | 2 | |
| William Cleaning Service Ltd | 20 | $2,135,843 | 3 | |
| Hines Facilities Services LTD | 5 | $2,100,454 | 1 | |
| Glacier Maintenance INC | 27 | $2,075,855 | 1 | ✓ |
| Corporate Mirror INC | 6 | $2,045,435 | 6 | ✓ |
| B Gingras Enterprises Ltd | 5 | $2,033,425 | 2 | |
| CITY WIDE Window Cleaning & | 27 | $2,025,755 | 3 | ✓ |
| Impeccable Cleaning Services Inc. | 17 | $2,015,991 | 1 | |
| 3388646 Canada Inc. DBA | 19 | $2,001,162 | 1 | |
| 9412 3544 Quebec INC | 88 | $1,996,327 | 1 | |
| AGI Enviroclean Limited | 10 | $1,995,035 | 2 | |
| Hallmark Housekeeping Services Inc. | 17 | $1,981,352 | 3 | ✓ |
| Superior Sanitation Services Ltd. | 36 | $1,978,225 | 6 | |
| Inchcape Shipping Services | 2 | $1,950,000 | 1 | |
| Corner WEST Cleaning Services | 6 | $1,949,889 | 1 | |
| Worldclass Manpower Servicesinc. | 15 | $1,940,239 | 2 | ✓ |
| Airclean Systems Canada | 19 | $1,934,752 | 5 | |
| P.a. Janitorial Services (1983) | 11 | $1,907,139 | 1 | |
| M & M Rolfe Cleaning Services | 10 | $1,849,626 | 1 | |
| PLUS Industries Inc. | 12 | $1,845,832 | 2 | |
| Lo's Cleaning Services Ltd | 13 | $1,830,430 | 2 | |