Universal Workers Union Local 183
1263 Wilson Avenue, Suite 200
Toronto, Ontario M3M 3G3
Business Manager: Durval Terceira

Phone:(416) 241-1183
Fax: (416) 241-9845
Coburg Phone: (905) 372-1183

Labourers' International Union of North America, Local 247
145 Dalton Avenue, Suite 1
Kingston, Ontario K7K 6C2
Business Manager: Victor Claro

Phone:(613) 542-5950
Fax: (613) 542-2781

Labourers' International Union of North America, Local 493
392 Montague Avenue
Sudbury, Ontario P3C 4G5
Business Manager: Mike Ryan

Phone:(705) 674-2515
Fax: (705) 674-6728

Labourers' International Union of North America, Local 506
3750 Chesswood Drive
Toronto, Ontario M3J 2P6
Business Manager: Carmen Principato

Phone:(416) 638-0506
Fax: (416) 638-1334

Labourers' International Union of North America, Local 527
1194 Evans Avenue
Ottawa, Ontario K1H 7Z8
Business Manager: Luigi Carrozzi

Phone:(613) 521-6565
Fax: (613) 521-6580

Construction and Allied Workers Local Union 607
730 Balmoral Street
Thunder Bay, Ontario P7C 5V3
Business Manager: Gino Russo

Phone:(807) 622-0607
Fax: (807) 622-0454

Labourers' International Union of North America, Local 625
2155 Fasan Drive, RR 1
Oldcastle, Ontario N0R 1L0
Business Manager: Robert Petroni

Phone:(519) 737-0373
Fax: (519) 737-0380

Labourers' International Union of North America, Local 837
44 Hughson Street South
Hamilton, Ontario L8N 2A7
Business Manager: Manuel Bastos
Niagara Phone:(905) 227-1837

Phone:(905) 529-1116
Fax: (905) 529-2723

Labourers' International Union of North America, Local 1036
280 Bruce Street
Sault Ste. Marie, Ontario P6B 1P6
Business Manager: Wayne Scott

Phone:(705) 942-1036
Fax: (705) 942-1015

Labourers' International Union of North America, Local 1059
56 Firestone Blvd.
London, Ontario N5W 5L4
Business Manager: Jim MacKinnon

Phone:(519) 455-8083
Fax: (519) 455-0712

Labourers' International Union of North America, Local 1081
812 Lawrence Street
Cambridge, Ontario N3H 2N1
Business Manager: Manuel Andrade

Phone:(519) 653-3333
Fax: (519) 653-8086

Labourers' International Union of North America, Local 1089
1255 Confereration Street
Sarnia, Ontario N7S 4M7
Business Manager: Mike Maitland

Phone:(519) 332-1089
Fax: (519) 332-6378