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Both agreements provide multi-trade maintenance coverage, but they’re designed for different scenarios. The GPMA works best for long-term projects where a single contractor handles comprehensive maintenance at an industrial site for a year or more. The NMA is built for short-term or intermittent work—like seasonal shutdowns—where multiple contractors perform various tasks. While both cover up to thirteen trades under unified terms, GPMA suits sustained single-contractor relationships, and NMA suits flexible multi-contractor operations.

• International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers
• International Association of Heat & Frost Insulators & Allied Workers
• International Association of Operative Plasterers and Cement Masons
• International Brotherhood of Boilermakers
• International Brotherhood of Electrical Workers
• International Union of Bricklayers and Allied Craftworkers
• International Union of Operating Engineers
• International Union of Painters & Allied Trades
• Laborers International Union of North America
• International Association of Sheet Metal, Air, Rail and Transportation Workers
• Teamsters Canada
• United Association of Plumbers & Pipefitters
• United Brotherhood of Carpenters, Joiners and Millwrights of America

Note: International Brotherhood of Boilermakers are not covered by our agreements in Alberta and Saskatchewan, and are covered only under the NMA in Ontario*

Yes, it is necessary. In certain situations, clients use two distinct agreements on the same job site, their utilization is determined by the project’s scope and duration.

There is no fee associated with becoming a signatory to any of our agreements. Signatories are required to submit monthly remittances to our office as per the specific collective agreement.

Your responsibilities as a signatory employer include:

• Agreeing to bargain collectively with the Committee / Council and to be governed by the terms of the Agreement and by all lawful settlements of disputes and grievances made pursuant thereto.
• Employing signatory unionized trades persons.
• Agreeing that the jurisdiction recognized for each participating Union shall be the jurisdiction recognized by the AFL-CIO.