top of page

Skilled and Diverse Services Since 1987


Sentinel Maintenance: Now Part of the Kleen-Tech Family of Companies

Founded in 1987, Sentinel Maintenance is North America's leading company specializing in Construction Cleaning, Janitorial Cleaning, Facility Management and Maintenance. Our operations span across the United States and Canada with offices located in Nevada, Texas, Arizona, Colorado, and Connecticut, among other locations. No city, state or province is out of our reach.

“Kleen-Tech’s focus on continuous improvement and enhanced efficiency creates true partnerships. When we came under economic pressure, Kleen-Tech worked with us to revise custodial services to meet our specific needs and budget.”

Customer, Houston, Texas
bottom of page