Established in 1955, Professional Maintenance of Cincinnati, Inc. is one of the oldest contract cleaning companies in Cincinnati and is the flagship company of Professional Maintenance USA. The company was established to provide janitorial services for commercial and industrial facilities in the Greater Cincinnati area.

Professional Maintenance of Cincinnati currently employs a staff of over 800 full and part-time employees to insure the most professional and reliable service available. In addition, Professional Maintenance’s talented staff offers diversified cleaning expertise to serve a broad range of customer needs.



Professional Maintenance of Cincinnati is part of the Professional Maintenance USA group of companies.



Maintenance Methods, Inc.

In 1960 Maintenance Methods, Inc. was organized as a management team in support of the Professional Maintenance USA group of companies. Maintenance Methods supports the affiliated companies with administrative, training, and cost management services on a continuing basis. Maintenance Methods provides financial support, centralized payroll, and accounting to all affiliated companies.  

Phillips Supply Company, Inc.

Founded in 1947 by Charles and Claire Phillips, Phillips Supply Company was formed as a “door to door” business that specialized in selling a wide variety of janitorial products. More than 65 years later, Phillips Supply has grown to become one of the largest Janitorial and Sanitary Distributors in the Midwest, servicing Indiana, Kentucky, Ohio, and West Virginia. Phillips Supply Company is now a second-generation family owned company and a certified woman owned business.