| Business | Phone |
| Alta Maintenance Systems 5 Mcintosh Dr, Markham L3R 8C8 | (905) 479-2068 |
| Amato Maintenance Ltd 151 Esna Park Dr, Markham L3R 3B1 | (905) 946-0693 |
| Associated Pro-Cleaning Svc 3400 14th Ave, Markham L3R 0H7 | (905) 477-6967 |
| Harry's Cleaning Svc 14 Cornell Cres, Markham L3S 3H1 | (905) 479-7691 |
| Imperial Cleaning Co 97 Crandall Dr, Markham L3P 6L1 | (905) 294-7712 |
| In-Pro Cleaning Systems 250 Don Park Rd, Markham L3R 2V1 | (905) 475-2020 |
| Mbm Cleaning Svc 3555 14th Ave, Markham L3R 0H5 | (416) 391-5609 |
| Nancy Cleaning Svc 11 Long Island Cres, Markham L3P 7M4 | (905) 470-2739 |
| New Dimension Interior Mntnc 2 Hughson Dr, Markham L3R 2T4 | (905) 470-7714 |
| Urban Building Maintenance 123 Ascot Cres, Markham L3R 3P8 | (905) 475-2582 |
| Royal Building Cleaning Ltd 190 Bullock Dr #14, Markham L3P 7N3 | (905) 294-3311 |
| Seth Enterprises 49 Kruger Rd, Markham L3S 3Y8 | (905) 472-2659 |
| Supreme Cleaning Svc 118 Robinson St, Markham L3P 1P1 | (905) 472-1757 |
| T C Exchange Inc 110 Konrad Cres, Markham L3R 9X2 | (905) 477-0365 |
| Wynford Services Co 95 Royal Crest Crt, Markham L3R 9X5 | (905) 940-4007 |
| Clean-Mark Canada Inc 2800 14th Ave, Markham L3R 0E4 | (905) 475-3635 |
| Colonial Building Maintenance 18 Tavistock Crt, Markham L3P 6H1 | (905) 472-4040 |
| Consolidated Services Ind Corp 3555 14th Ave, Markham L3R 0H5 | (905) 948-1550 |
| D Rose's Carpet Cleaning Svc 7 Emily Carr St, Markham L3R 2K3 | (905) 796-7883 |
| Dirt Busters 8 Hughson Dr, Markham L3R 2T4 | (905) 474-0009 |
| Don's Maintenance 320 Don Park Rd, Markham L3R 1J4 | (905) 477-3768 |
| Earl's Industrial Cleaning 340 Don Park Rd #22, Markham L3R 1C5 | (905) 940-0846 |
| Executive Maintenance Svc 55 Torbay Rd, Markham L3R 1G7 | (905) 479-3131 |