HES represents Tank Connection manufacturer of steel shop welded / hopper bottom tanks to 10,000 cu/ft, bolted industrial process tanks to 110,000 cu/ft, field welded / hopper bottom silos to 200,000 cu/t, hbrid silos to 150,000 cu/ft and Boyne Area Manufacturing for powder and bulk material handling equipment. Available are loading spouts and positioners, dust collectors (bin vents) air flow conveyors(slides) knife gates, diverters symmetric & offset, and bulk bag fillers.

Area covered PA, (Tank Connection Eastern PA), South NJ, DE, MD, VA three Eastern counties of WV.