Onspot Welding & Design, Inc. is a Structural Steel and Ornamental Iron contractor based in the Bay Area. Established in 1992, the company has grown to become one of the top welding companies in the region, serving clients in San Francisco, Marin, and Sonoma County. Their services include ornamental metalwork like grip rails, railings, balconies, and driveway gates, as well as structural projects such as seismic retrofits, moment frames, and staircases. Onspot offers a full spectrum of welding services for carbon steel, aluminum, and stainless steel, with a focus on quality craftsmanship and efficient project delivery.