KleenMark Services Corp.

Reliable results. Built on 60 years of experience.

Wisconsin born and bred, we’ve dedicated ourselves to delivering unmatched customer service that takes your cleaning and disinfecting program to the next level.

Providing a full range of commercial cleaning services, products and supplies, KleenMark is the largest, independent janitorial company in Wisconsin, serving healthcare, manufacturing, biotech and large offices such as corporate headquarters.

With a team of 800-plus technicians who clean more than 25 million square feet each day, our programs are rooted in proven approaches guaranteed to deliver predictable, consistent results.