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2026 – 2029 OPERATING ENGINEERS’ MASTER AGREEMENT between (NAEC) Northern Alliance of Engineering Contractors & Operating Engineers Local Union No. 3 of the International Union of Operating Engineers, (-AFL-CIO)
2019 – 2023 CEMENT MASONS’ MASTER AGREEMENT between (NAEC) Northern Alliance of Engineering Contractors & District Council of Plasterers and Cement Masons of Northern California