| iuec.org | International Union of Elevator Constructors (IUEC) |
| ironworkers.org | Ironworkers International |
| ilwu.org | International Longshore and Warehouse Union (ILWU) |
| ifpte.org | International Federation of Professional and Technical Engineers (IFPTE) |
| ibew.org | International Brotherhood of Electrical Workers (IBEW) |
| iatse-intl.org | IATSE National |
| iamaw.org | International Association of Machinists and Aerospace Workers |
| d1meba.org | Meba |
| boilermakers.org | The Boilermakers Union |
| bacweb.org | The International Union of Bricklayers and Allied Craftworkers (BAC) |
Canada , British Columbia , Vancouver