Mark Kleinhenz, Principal
MSK Janitorial Services LLC provides professional commercial and residential cleaning, janitorial services, floor care, and facility maintenance throughout Connecticut. The business is operated by Mark Kleinhenz and is based at 246 Goose Lane in Guilford, CT.
Filed July 20, 2026 · Guilford, CT
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MSK Janitorial Services is a janitorial services business (LLC) registered on July 20, 2026 with the Connecticut Division of Corporations. The business is located in Guilford, Connecticut 06437-2186. The filing lists Mark Kleinhenz as Principal.
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MSK Janitorial Services was registered as LLC on July 20, 2026 in Connecticut.
MSK Janitorial Services is based in Guilford, CT, 06437-2186.
MSK Janitorial Services is classified as a janitorial services business (commercial and residential cleaning).
No EIN was found on file for MSK Janitorial Services at the time of registration.
Based on the business category, these service providers typically target this type of business.
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