Southwestern Ohio Services is Cincinnati's full service Asphalt Maintenance provider. We are family owned and operated and have been in business since 1979. Our Professional Services include: Parking Lot Crack-filling, Sealcoating and Line Striping Thermoplastic Markings Asphalt Repair and Crack Sealing Bollard, Sign, and Parking Block Installation Athletic Court Repair, Resurfacing, Color Coating, and Line Painting Warehouse Floor Striping Running Track Repair and Line Painting Playground Game Design, Layout and More!