![]() Great Plains Structures Great Plains Structures is a general contractor that specializes in water and wastewater storage tanks. | ![]() Heartland Tank Services Heartland Tank Services is a company that provides storage tank construction and maintenance services. | ![]() Smith Tank & Steel Smith Tank & Steel is a contracting company specializing in the construction and repair of storage tanks. | DN Tanks DN Tanks is a company that designs and builds prestressed concrete tanks for water, wastewater, and thermal energy storage. | ||
Founding Date | Founding Date 1930 | Founding Date 2016 | Founding Date 2007 | Founding Date 1997 | Founding Date 2010 |
Type | Type Private | Type Private | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations HQ | Locations Saint Paul, US HQ | Locations Oklahoma City, US HQ Ponca City, US | Locations HQ | Locations HQ |
Employees | Employees 1302% increase | Employees 17 | Employees 20 | Employees 1872% increase | Employees 358 |

Great Plains Structures is a general contractor that specializes in water and wastewater storage tanks.
View company
Heartland Tank Services is a company that provides storage tank construction and maintenance services.
View company
Smith Tank & Steel is a contracting company specializing in the construction and repair of storage tanks.
View companyDN Tanks is a company that designs and builds prestressed concrete tanks for water, wastewater, and thermal energy storage.
View company