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Hilltop Tank Washout


NOW OPEN!!  Hilltop Tank Washout is the newest venture for Hills Stainless. Located in Sioux Falls, SD, Hilltop Tank Washout is a brand new, state-of-the-art facility designed to clean and sanitize the interior of 3A and food grade tank trailers. Utilizing Hills Stainless 50-plus years of experience, having knowledgeable staff, and providing the same excellent service, Hilltop Tank Washout is committed to giving the customer a clean and sanitized trailer ready to hit the road quickly. Hilltop Tank Washout has two bays dedicated to clean and sanitize the interior of edible liquid food trailers.

Hours of Operation

Monday – Friday  ->  7am to 4pm


Currently excepting washout for water soluble products.

  • Dairy and Steam capabilities

  • Sanitize and seal for new trailers

  • NOT including oils, fats, eggs, and caustic chemicals

  • Internal CIP Tank Wash System washouts…Coming Soon!


Please call for more information regarding scheduling, pricing, or any other washout questions.

Kent Maddox

Sioux Falls, SD


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