Golden State Steel and Stair, Inc. We specialize in steel fabrication and installation, including pre-cast concrete steps, handrails and stair rails in San Francisco Bay Area. To see a list of regions we cover, please click here.  Our mission is to provide quality work on each and every job, no matter how large or small. We strive to make each and every customer completely satisfied with the work we do for them, from fabricating to erecting.