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Driven by people, powered by service

With over 30 years of industry experience, Prime Chemical & Janitorial is proud to serve Northeast and East Central Kansas. Our mission is simple: deliver high-quality cleaning solutions with exceptional service to businesses that keep our community running.

Derek Bunker Owner Prime MHK

Meet our founder

Derek Bunker, owner of Prime Chemical and Janitorial Inc., is a Manhattan, Kansas native and former Kansas State University baseball standout. A four-year letterman with a business degree from K-State, Derek brings eighteen years of experience and a strong foundation in leadership, teamwork, and service to the chemical and janitorial supply industry.

Deeply rooted in Manhattan and the K-State community, Derek built Prime Chemical and Janitorial on the values that shaped him as an athlete and local leader: reliability, integrity, and a commitment to doing things the right way. He lives in Manhattan with his wife, Dr. Katie Bunker, AUD, and their two daughters, Finley and Harper.

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