|Highland underground steel tanks provide superior structural strength, product compatibility, and durability. They are designed to withstand the rigors of the
underground environment and are serviceable for storage of a wide range of petroleum products and other hazardous liquids. All our tanks meet or exceed the United States Environmental Protection Agency's regulations for underground storage of petroleum and chemical products. Each tank is constructed with advanced technology utilizing
a skilled work force and stringent quality control procedures. The tanks are tested and labeled in strict accordance with Underwriters Laboratories, Inc. Standards.