Amends the Prevailing Wage Act. Provides that regardless of location, all laborers, workers, and mechanics who produce aggregate material that is incorporated, directly or indirectly, into public works or who process aggregate material into concrete, cement, or asphalt that is incorporated, directly or indirectly, into public works shall be deemed to be employed upon public works. Defines "aggregate materials" as rock, gravel, sand, pebbles, dirt, soil, clay, bitumen, cultured polymer, cement, concrete, asphalt, and like materials or any other material over which the State or its agencies or political subdivisions exercise engineering specification authority.