Kleen Test Products is a full-service contract manufacturer and packager of consumer goods founded in 1944. Headquartered in Port Washington, Wisconsin, the company produces liquid and tube-filled products, wet wipes, cosmetic pads, dryer sheets, and bulk powders. Kleen Test offers R&D, product development, blending, filling, packaging, quality control, regulatory support and supply-chain services. It emphasises innovation, speed to market, sustainability and compliance, operating multiple production facilities with ISO and cGMP certifications. Kleen Test partners with leading brands and retailers to deliver household cleaning, personal care, OTC, baby care and industrial products, and prides itself on strong customer service and flexible production capabilities.