| Business | Phone |
| Atomic Energy Of Canada Ltd 2251 Speakman Dr, Mississauga L5K 1B2 | (905) 823-9040 |
| Ontario Energy Systems 5205 Tomken Rd, Mississauga L4W 3N8 | (905) 238-0267 |
| Ontario Energy Savings 6345 Dixie Rd, Mississauga L5T 2E6 | (905) 670-4440 |
| Power Decisions Consulting 376 Karen Park Cres, Mississauga L5A 3C6 | (905) 281-3494 |
| Sandcastle Energy Systems 4141 Fladeview Cres #11, Mississauga L5L 5T1 | (905) 607-2489 |
| Caneta Research Inc 7145 West Credit Ave #102, Mississauga L5N 6J7 | (905) 542-2890 |
| Enbridge Int Bldg Tech Inc 2645 Skymark Ave #210, Mississauga L4W 4H2 | (905) 625-9600 |