| Business | Phone |
| George A Kelson Co Ltd 60 Murray Rd, North York M3K 1T2 | (416) 408-1555 |
| Margell Mechanical Contractors 149 Milvan Dr, North York M9L 1Z8 | (416) 749-1717 |
| Munich Motors 73 Alness St, North York M3J 2H2 | (416) 665-1605 |
| Pab Industries Ltd 10 Bruce Farm Dr, North York M2H 1G3 | (416) 222-1515 |
| Ram Mechanical Contractors Ltd 5 Elrose Ave, North York M9M 2H5 | (416) 742-4470 |
| Rogers & Assoc Mechanical Cntr 877 Alness St #25, North York M3J 2X4 | (416) 663-5077 |
| Bcl Mechanical 161 Deerhide Cres, North York M9M 2Z2 | (416) 742-3439 |
| Black Creek Mechanical Ltd 104 Florence Ave, North York M2N 1G3 | (416) 604-7558 |
| Servocraft Limited 325 Lesmill Rd #325, North York M3B 2V1 | (416) 391-2229 |
| E B Mechanical Contracting 6021 Yonge St #238, North York M2M 3W2 | (416) 222-5087 |