Building Material, Power Generators, Flooring Tiles, Residential, Commercial, Industrial Maintenance, Royal Maintenance Llc, P. O. Box 38201, St. Louis, Mo 63138; Building and property maintenance services for residential, commercial and industrial areas. Services include management and maintenance of drywalls, plumbing, water heaters, flooring, drains, cables, phone lines, security systems, flooded basements, garbage, power generators and entry rooms. Grounds maintenance and building repair services are also available ...