Count On Us for Top-Quality Metalwork Hire a local welder in Ridgeville, SC! If you need to add a custom metal gate or handrail to your property, you'll want to hire a local fabrication company you can trust. ISI Welding and Fabrication offers full welding services to clients in Ridgeville, SC and surrounding areas. From beautiful monumental stairs for your business to custom fabrications for your home, there's nothing our local welders can't do.