2019 marks a special milestone for Kleen Test Products as we celebrate 75 years of partnership with our customers, vendors and dedicated team members. From humble beginnings in 1944 as a manufacturer of milk filters for dairy farmers, KTP has grown into one of the nation’s leading multi-platform contract manufacturers. We are grateful for all who have helped shape our business over the past 75 years and look forward to strong partnerships and continued growth in the future.

Bringing Ideas to Market Since 1944

Kleen Test Products, a subsidiary of Meridian Industries, is a privately held, family-owned company headquartered in Port Washington, Wisconsin. As a leading, full-service contract manufacturer, we’ve been helping brands put innovation in consumers’ hands for more than 70 years. Companies everywhere are saving time and money by entrusting us with the manufacturing and packaging of their high-profile consumer products. They know we’ll maintain their solid reputation and satisfy their high expectations for superior quality and value.

At Kleen Test Products, we turn ideas into realities and help improve existing products and supply chains, while fulfilling commitments to our customers without compromise. From our multiple FDA and EPA registered facilities in Wisconsin and Ohio, we have the resources and technological expertise to efficiently handle many diverse manufacturing and packaging needs.

Passionate Innovation

Kleen Test Products continues to find new ways to respond to new challenges in the world of contract manufacturing. Think it can’t be done? We’re always ready for a challenge. Let’s start a conversation.