Chemco Corporation is a leading manufacturer of cleaning products. Located in Lawrence, Massachusetts, our R&D department excels in the development of speciality and general cleaning products for industrial, food service, pet and home use. chemco,harvey lewis, sylvia lewis, paul lewis, sanitizer, disinfectant, kitchen cleaning products, sanitation products, purple tiger, hand sanitizers, fountain machine drain cleaner, concrete cleaner, ice machine cleaners, oven cleaner, de-limer, grease gobbler, nickel safe ice machine cleaner, ice machine sanitizer, glass cleaner concentrate, pure glass cleaner, heavy duty degreaser, oven shield - oven protectant, graffitti remover Chemco Corporation is a major supplier of cleaning and sanitation programs and products to some of the nation’s leading QSR’s & Convenience Stores. Chemco manufactures products of speciality and general cleaning products for industrial, food service, pet and home use.