Sentinel Maintenance

Kleen-Tech Services LLC, founded in 1993 in Denver, Colorado, has established itself as a trusted provider of janitorial services across the United States. With a focus on building long-lasting customer partnerships, the company prides itself on delivering responsive, reliable, and detail-oriented cleaning solutions tailored to various industries, including commercial, government, and specialty sectors.

Underpinned by a philosophy of continuous improvement, Kleen-Tech employs robust systems and processes to ensure accountability and transparency in its operations. The company is committed to achieving excellence and adapting its services to meet the evolving needs of its clients, providing a level of care that transforms spaces into environments that feel remarkable.

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