EXCAVATION > McAlvain provides exceptional service in commercial excavation including earthwork, site and structural excavation as well as the installation of underground utilities throughout the Pacific Northwest.  We specialize in: Site Demolition, Concrete Removal, Mass Excavation and Backfill, Site Preparation and Sub-grade Preparation, Site Utility Work, Trenching, and Clean Up.  Our team of highly trained professionals prides themselves on quality, friendly service and safety.