In addition to using the precision welding machines of the single and double girth welders, our personnel are certified welders and are only satisfied with the highest quality of weld seams.  Heartland Tank, LLC ensures the integrity of its welds by following a stringent set of welding procedures.  Heartland Tank, LLC takes great pride in constructing the strongest possible tank for agricultural, liquid nitrogen/fertilizer, oil, water, and other storage purposes.