Polyfab, 300 Willow St, Ste 1, North Andover, MA 01845, US

Natgun Corporation, for more than 75 years, has been a leader in the design and construction of wire-wound concrete tanks for water and other liquid storage. Engineers and utilities companies contract with Natgun to build circular prestressed concrete tanks that provide decades of maintenance-free, uninterrupted service. During the preliminary design phase Natgun engineers provide preliminary tank design drawings and calculations. After each successful bid, its engineering department provides drawings and calculations stamped by a Registered Professional Engineer for the design of the complete tank. Natgun regional managers are available for on-site presentations to engineers and owners. These presentations provide a detailed description of the tank construction process along with architectural examples. Natgun takes full responsibility for the construction of every aspect of the tank, eliminating the risk of multiple party disputes. Natgun is located in Wakefield, Mass.

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