Manufacturer since 1954 of the proprietary Nilodor Concentrate, the highest quality odor counteractant available in the industry. The original formula is incorporated into the company's full line of environmentally-friendly odor-control products. The company has the product and the knowledge of odor control to solve all odor problems. From the original Tap-A-Drop, to a wide selection of water solubles, to expert technical knowledge of odor control, the company has what you need. Certified International, a company division since 1925, has manufactured carpet and upholstery care products including extraction cleaners, spot removers, pre-spray treatments, disaster restoration products, a dry compound system and the Model S Pile Brush for complete dry soil extraction.