Since 1970 ModuTank Inc. has been manufacturing above-ground, modular bolted steel tanks, liquid storage tanks, settling tanks, containment for earthen materials, slurry tanks and a wide range of secondary containment systems for stationary applications, tanker trucks and wheeled vehicles worldwide. Any Shape - Any Size - Any Site.Our versatile field erected tanks are engineered for free-standing or anchored installation on sites with minimal or no preparation either indoors or outdoors.They feature modular components designed for hand-carrying and rapid bolt-together assembly by workers using common hand tools. Special skills are not required.Discover why top Fortune 500 companies, environmental and remediation companies, design, engineering and construction companies as well as government agencies, DOE facilities, utilities, U.S. Army Corps of Engineers, Superfund sites, U.S. military, airports and municipalities have specified and used thousands of ModuTank Inc. products throughout all fifty states, U.S. territories and locations worldwide.ModuTank Inc. products have the lowest per-gallon containment costs when tank, shipping, site prep and installation costs are compared. Our rental tanks, available in sizes from 50,000 to 2,000,000 gallons and more offer substantial savings over multiple frac tanks of the same capacity.