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“O&S specializes in building restoration. We can help you to correct existing deficiencies, resolve safety or Code issues, adapt or upgrade your structure for a new use, improve the reliability and durability of your building systems, or restore historical and Landmark structures to their original condition.”

  • Building
  • Parking Garage
  • Façade
  • Curtain Wall
  • Roofing
  • Plazas
  • Historical Restoration
  • Paving
  • Hydro-demolition