Capitol Steel Fabricators, Inc. is a full-service steel fabrication company based in Fontana, California, providing high-quality steel solutions for commercial, residential, and ornamental projects. Our team of experienced professionals utilizes state-of-the-art technology, including 3D detailing and Fabtrol estimating software, to deliver precise and competitive pricing. We offer a wide range of services, including estimating, detailing, project management, fabrication, erection, welding, and customer service.