Building Maintenance Since 1981. Master Maintenance offers professional building maintenance for commercial, industrial and institutional clients in Cincinnati, Dayton, Lima, Toledo and surrounding communities in Ohio. We also serve clients in Ft. Wayne, IN, and the surrounding areas. From our wide range of cleaning and building management services, to our highly effective damage and disaster response specialists, you can count on to provide effective and affordable solutions that allow you focus on the things you need to focus on. Our industrial and commercial cleaning specialties include: • Janitorial services • Full-service cleaning • Flood cleaning • Industrial pressure washing • Floor re-conditioning • Hard floor care programs for tile, wood and concrete • Carpet cleaning • Building management services • Consulting services At Master Maintenance, we believe the most vital component of our company is our people.