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Kleen-Tech, Denver, joined the National Service Alliance (NSA), Mooresville, North Carolina, the NSA announces. 

By joining the buying group, Kleen-Tech will have access to exclusive benefits, including national pricing on a wide variety of supplies and services.

Since 1993, Kleen-Tech has focused on customer satisfaction, the ability to adapt to new situations and challenges, and embracing the latest cleaning tools and processes. The building service contractor services more than 15 million square feet of commercial and government facilities across the United States. 

Kleen-Tech has developed a corporate-wide culture of bringing value to its customer’s organizations and operations that create win-win contracts and business relationships with customers and employees.