Lancaster Tanks can design and manufacture both single-wall and double-wall above ground horizontal tanks in accordance with Underwriters' Laboratories UL-142 specification for Aboveground Storage of Flammable and Combustible Liquids. Our horizontal tanks can be provided with integral welded saddles for permanent/stationary use or skids for temporary/portable use. Lancaster Tanks provides horizontal tanks for everything from fuel and oil storage to water and backup generator systems for agriculture, transportation, construction and aviation.