A leading provider of contract cleaning services to commercial and high security facilities since 1976

Award Winning Service

Experience firsthand the personalized service that has made Mister Kleen one of the most successful cleaning companies in the DC Metro region. Our award-winning service has been recognized by many, including the Chamber of Commerce, the Building Service Contractors Association International and the Washington Business Journal.  We are also the proud recipient of the Arthur C. Barraclough Company Community Service Award for volunteer efforts, the James E. Purcell Award for recognition of long-time service and the Walter L. Cook Award for outstanding contributions in furthering programs and image of the Association and the Building Service Contracting Industry.


Mister Kleen’s

Written Service Guarantee

We agree to provide good service to the customer. Should the customer become dissatisfied with the quality of service, the customer will give us written notice of their concerns. Within the agreed-upon time frame (based on specific needs), we shall correct the problem to your satisfaction. If the problem has not been corrected, the customer may cancel the Service Agreement by giving a 30-day written notice.

This guarantee is made in writing to emphasize how strongly we feel about quality service.

Ernest Clark, Jr., CBSE


The Building Service Contractors Association International (BSCAI) is a worldwide network of more than 2,500 member companies that provide cleaning, facility maintenance, educational programs, and networking opportunities for the building service contracting industry. Ernie Clark, Jr., President of Mister Kleen, served as President of BSCAI in 2008, and continues to be an active member in learning and sharing best practices with successful business leaders in the same industry. For more information on BSCAI, please visit: www.bscai.org


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The Capitol Association of Building Service Contractors (CABSC) was created in 1968 to provide building service contractors a forum to exchange ideas and experiences. Ernie Clark, Jr. and Dianna Clark are active participants and each served as President of CABSC on separate occasions. For more information on CABSC, please visit: www.cabsc.org

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The Institute of Inspection, Cleaning and Restoration Certification (IICRC), certifies and develops standards for inspection, cleaning and restoration among building service contractors. The IICRC also serves as a valuable consumer referral source for certified technicians and firms, of which Mister Kleen is a member. For more information on IICRC, please visit: www.iicrc.org


The Society for Human Resource Management (SHRM) is the world’s largest association devoted to the advancement of human resources. Founded in 1948, SHRM is committed to advancing the human resource profession as an essential partner in executing organizational strategy. For more information on SHRM, please visit: www.shrm.org


The National Classification Management Society (NCMS) was founded in 1964 as a national society to advance the practice and profession of Classification Management. Today, the Society has over 5,000 members across 45 chapters in the U.S. that practice classification management in disciplines such as industrial and information security, intellectual property, and government designated unclassified information to foster the high qualities of security professionalism. For more information on NCMS, please visit:www.classmgmt.com


The U.S. Green Building Council (USGBC) is a leading association striving to promote and make green buildings environmentally responsible. USGBC created the Leadership in Energy and Environmental Design (LEED) green building certification programs that encourage and promote the adoption of sustainable green building and development practices for a better environment. For more information on USGBC, please visit: www.usgbc.org