For over 50 years, Allied Steel Co., Inc. has been providing high-quality structural steel and miscellaneous metals fabrication and erection services to public and private agencies in Southern California. As a licensed subcontractor and long-time member of the Steel Fabricators Association (SFA) and the American Institute of Steel Construction (AISC), we offer superb craftsmanship with the highest level of service. Our experienced team can fabricate and install complex metal structures with precision and accuracy, catering to individual customer needs and meeting deadlines.