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BOARD OF TRUSTEES OF THE LIUNA NATIONAL (INDUSTRIAL) PENSION FUND
OPERATING ENGINEERS LOCAL 825 PROFIT SHARING FUND
GRANITE CONSTRUCTION INCORPORATED
TOLL BROS., INC.
WALSH CONSTRUCTION COMPANY
AUSTIN INDUSTRIES, INC.
BOARD OF TRUSTEES - STEAMFITTERS LOCAL 602 RETIREMENT SAVINGS PLAN
TUTOR PERINI CORPORATION
SUMMIT MATERIALS, LLC