MSI Structural Steel is one on the leading steel fabricators and steel erectors servicing the San Diego metropolitan area. We have been providing turnkey structural steel fabrication and erection to contractors in San Diego since 1962.

Our automated steel fabrication shop and experienced steel erectors Provide a high quality, cost effective, for turnkey projects requiring steel fabricators and erectors. We are fully licensed, in the state of California 953753, C – 51 Steel Fabricators and Erectors.

For over 55 years we have serviced contractors in the San Diego area.

  • Turnkey detailing
  • Latest 3 D software and modeling
  • CNC Beam lines
  • Plate fabricators
  • In house truck fleet
  • 90,000 square feet steel fabrication shop
  • 200 employees
  • 3 shifts
  • Metal building erection
  • Industrial buildings
  • Manufacturing plants
  • Steel framed buildings
  • Airports
  • Military and Government buildings
  • Schools and Universities
  • Commercial Centers and Office Parks
  • Large residential homes
  • Apartments/ Condominimums