| Business | Phone |
| A & M Heating & Air Cond Ltd 7327 Glamorgan Way, Mississauga L5N 7Z3 | (905) 670-4446 |
| A C Electric & Appliance 2620 Windjammer Rd, Mississauga L5L 1T5 | (905) 828-2603 |
| Air-Delight Heating & Air Cond 6160 Prairie Cir, Mississauga L5N 5Y1 | (905) 824-9335 |
| Airerite Mechanical 2065 Dundas St E, Mississauga L4X 2W1 | (905) 625-0778 |
| Apple Heating & Air Condition 3081 Orlando Dr, Mississauga L4V 1L6 | (416) 534-7684 |
| Applewood Air Conditioning 3525 Hawkestone Rd, Mississauga L5C 2V1 | (905) 275-4500 |
| Atlas Air Climatecare 1713 Mattawa Ave, Mississauga L4X 1K5 | (416) 626-1785 |
| B D's Natural Gas Htg & Ac 1156 Woodeden Dr, Mississauga L5H 2T6 | (905) 274-6242 |
| B J Mechanical Svc 3584 Autumn Harvest Dr, Mississauga L4Y 3S1 | (905) 277-8837 |
| B Magee Co 5106 Timberlea Blvd, Mississauga L4W 2S5 | (905) 629-4433 |
| Halton Peel Heating Inc 755 Queensway E #26, Mississauga L4Y 4C5 | (905) 566-4646 |
| Ideal Heating & Air 5466 Gorvan Dr, Mississauga L4W 3E8 | (905) 624-2829 |
| J & D Gas Heating Ltd 743 Lakeshore Rd E #2, Mississauga L5E 1C6 | (905) 278-7245 |
| Ketteringham Heating Inc 2601 Matheson Blvd E #18, Mississauga L4W 5A8 | (905) 238-8636 |
| Logue Mechanical 2570 Matheson Blvd E, Mississauga L4W 4Z3 | (905) 238-9797 |
| Malton Peel Heating & Air 7606 Netherwood Rd, Mississauga L4T 2P1 | (905) 672-2466 |
| National Mechanical 1050 Britannia Rd E #18, Mississauga L4W 4N9 | (905) 785-7575 |
| Ontario Gas Heating Ventilatio 5417 Sweetgrass Gate, Mississauga L5V 2N2 | (905) 813-3100 |
| Permanent Heat Co Ltd 165 Matheson Blvd E, Mississauga L4Z 3K2 | (905) 890-8005 |
| Prima Air Ltd 7355 Torbram Rd #8, Mississauga L4T 3W3 | (905) 677-8277 |
| Stannair Conditioning Inc 1726 Mattawa Ave, Mississauga L4X 1K1 | (905) 270-2930 |
| W Skerratt Heating & Air Cond 1713 Mattawa Ave, Mississauga L4X 1K5 | (416) 638-2654 |
| Brenmar Heating & Air Cond 3135 Unity Dr #1, Mississauga L5L 4L4 | (905) 608-9330 |
| C & G Gas Installations Ltd 3081 Orlando Dr, Mississauga L4V 1L6 | (416) 291-1655 |
| Central Gas Heating & Air Cond 1050 Britannia Rd E #1, Mississauga L4W 4N9 | (905) 330-3550 |
| Cir Heating & Air Condition 274 Watline Ave, Mississauga L4Z 1P4 | (905) 507-6646 |
| Climatemp Systems Ltd 6635 Kitimat Rd #41, Mississauga L5N 6J2 | (905) 826-7487 |
| Cool Breeze 6500 Northwest Dr, Mississauga L4V 1P2 | (905) 672-7887 |
| Costa Heating & Air Cond Svc 5256 Cinnamon Rd, Mississauga L5V 1T3 | (905) 826-5658 |
| D J Shaughnessy & Assoc Ltd 1020 Matheson Blvd E #1, Mississauga L4W 4J9 | (905) 625-2472 |
| Demand Air Systems Ltd 7065 Pacific Cir #10, Mississauga L5T 2H4 | (905) 564-5079 |
| Esi Temperature Control Inc 5359 Timberlea Blvd, Mississauga L4W 4N5 | (905) 206-9770 |
| G M Air 231 Chalfield Lane, Mississauga L4Z 1L1 | (905) 306-0010 |
| Marcotto Mechanical Contractors Inc. 3-50 Leading Road, Mississauga M9V 4B5 | (416) 745-1100 |