| Business | Phone |
| A-1 Air Conditioning & Heating 557 Chartwell Rd, Oakville L6J 4A8 | (905) 822-0933 |
| Abbey Air 1200 South Service Rd W #1, Oakville L6L 5T7 | (905) 270-6991 |
| Abbey Air Systems 1200 South Service Rd W #1, Oakville L6L 5T7 | (905) 336-3515 |
| Appliance Extraordinaire Rprs 2284 Speers Rd, Oakville L6L 2X8 | (905) 825-8101 |
| In Scents Corp 2286 Barrister Pl, Oakville L6M 3C4 | (905) 847-5352 |
| Messenger Mechanical 557 Chartwell Rd, Oakville L6J 4A8 | (905) 822-0956 |
| Nutemp Mechanical Systems Ltd 1101 North Service Rd E, Oakville L6H 1A6 | (905) 338-5603 |
| Binnie Mechanical Svc 1243 Honeysuckle Cres, Oakville L6H 2S9 | (905) 849-0297 |
| Sadowick Mechanical Ltd 2124 Woodgate Dr, Oakville L6M 4E1 | (905) 469-1700 |
| Vogel Air Conditioning 1414 Wallace Rd, Oakville L6L 2Y2 | (905) 827-4603 |
| York International Ltd 2323 Winston Park Dr #2, Oakville L6H 6R7 | (905) 829-1411 |
| Bogar-Paterson 775 Pacific Rd #25, Oakville L6L 6M4 | (905) 847-8004 |
| Branair Limited 454 South Service Rd W, Oakville L6K 2H4 | (905) 842-2212 |
| Custom Heating & Air Cond 3070 Trafalgar Rd, Oakville L6H 7B9 | (905) 257-3027 |
| Discount Heating & Air 1240 Speers Rd #8, Oakville L6L 2X4 | (905) 465-4441 |