| Business | Phone |
| Airline Central Lodge 2580 Drew Rd, Mississauga L4T 3M5 | (905) 678-1079 |
| Amalgamated Transit Union 6020 Indian Line, Mississauga L4V 1G5 | (905) 672-1624 |
| Amalgamated Transit Union 1450 Meyerside Dr #701, Mississauga L5T 2N5 | (905) 670-4710 |
| Canadian Union Of Operating 2077 Dundas St E #202, Mississauga L4X 1M2 | (905) 238-0877 |
| B C & Twu Local 426 1945 Dundas St E, Mississauga L4X 2T8 | (905) 238-1681 |
| International Assn-Machinists 1312 Britannia Rd E, Mississauga L4W 1C8 | (905) 670-1750 |
| Intl Bros Electrical Workers 7170 West Credit Ave #2b, Mississauga L5N 6C6 | (905) 286-0330 |
| Intl Brotherhood-Elec Workers 1450 Meyerside Dr #300, Mississauga L5T 2N5 | (905) 564-5441 |
| Local 4970 Steelworkers 1303 Aerowood Dr, Mississauga L4W 2P6 | (905) 625-6808 |
| Local Lodge 2913 Iam & Aw 2580 Drew Rd, Mississauga L4T 3M5 | (905) 673-7545 |
| Ontario Liquor Boards Employee 5757 Coopers Ave, Mississauga L4Z 1R9 | (905) 712-2912 |
| Ontario Sheet Metal Conference 1312 Hurontario St, Mississauga L5G 3H3 | (905) 278-2280 |
| District 140 1amaw 2580 Drew Rd, Mississauga L4T 3M5 | (905) 671-3192 |
| Peel Teching Assistants Assn 1050 Britannia Rd E, Mississauga L4W 4N9 | (905) 564-2216 |
| Canadian Union Of Public Empl 2600 Skymark Ave #102, Mississauga L4W 5B2 | (905) 602-9155 |
| Pwt Drivers Assn 6999 Ordan Dr, Mississauga L5T 1K6 | (905) 795-9587 |
| Canadian Union-Public Emplys 5659 Mcadam Rd, Mississauga L4Z 1N9 | (905) 568-4664 |
| Bakery Confectionery 6655 Kitimat Rd #11, Mississauga L5N 6J4 | (905) 858-7977 |
| Sheet Metal Workers Intl Assn 1310 Midway Blvd #39, Mississauga L5T 2K5 | (905) 670-9228 |
| Caw 7015 Tranmere Dr #5, Mississauga L5S 1T7 | (905) 678-1550 |
| Teamsters Joint Council 5945 Airport Rd, Mississauga L4V 1R9 | (905) 672-5959 |
| Teamsters Union 275 Matheson Blvd E, Mississauga L4Z 1X8 | (905) 502-0062 |
| Teamsters Union Local 419 1890 Meyerside Dr, Mississauga L5T 1B4 | (905) 670-4190 |
| Teamsters Canada 5945 Airport Rd #210, Mississauga L4V 1R9 | (905) 678-6652 |
| Ufcw Local 175 2200 Argentia Rd, Mississauga L5N 2K7 | (905) 821-8329 |
| United Food & Commercial Wrkrs 6645 Kitimat Rd #24, Mississauga L5N 6J3 | (905) 819-9065 |
| United Steelworkers-America 1158 Aerowood Dr, Mississauga L4W 1Y5 | (905) 629-4991 |
| Carpenters' District Council 5780 Timberlea Blvd #103, Mississauga L4W 4W8 | (905) 238-3063 |
| Communications Energy & Paper 5225 Orbitor Dr #9, Mississauga L4W 4Y8 | (905) 624-4526 |
| Cupe 1020 Matheson Blvd E, Mississauga L4W 4J9 | (905) 238-0113 |
| Cupe 6790 Davand Dr, Mississauga L5T 2G5 | (905) 670-3883 |
| Dufferin Peel Educational 5805 Whittle Rd #106, Mississauga L4Z 2J1 | (905) 501-1622 |