AOS Specialty Contractors, Inc. has a long history of providing a wide variety of highway-heavy projects including concrete sidewalks, driveways, retaining walls, monuments, precast, masonry, and other specialty items. We are proud of our excellent history providing our customers with a high quality product that is on-time and within budget. AOS is a General Contractor (License number G111758) with unlimited licensure in the following categories: BD5, AP5, CP5, HI5, WL5, IR5, MS5, SP5, BT5, WP5. We are SCDHEC certified for Erosion Prevention & Sediment Control, and also SCDOT certified for Work Zone Safety. Our Certifications include: SCDOT Prime Contractor, DBE/WBE Certified, Governor's Office of Small & Minority Business Certified.