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We plan and create dependable structures that meet all of today’s standards

The O&S industry-leading professional engineering staff is proficient in structural and operational systems, current material technologies, testing and design standards, project costs, and construction methods. Our staff is effectually knowledgeable of marketplace trends, regulatory agency mandates, and specialty contractors.

Our Licensed engineers are experts in the design of structural steel and reinforced concrete. We utilize the latest structural analysis and modeling technology to ensure the efficiency and robustness of our designs. O&S structural engineers have served public, private, and institutional Clients and Owners throughout the US and abroad. O&S has assessed, planned, and designed the repairs for over 2,500 buildings and facilities nationwide.


We have worked on various structures from residential and commercial high-rise buildings to underground parking structures

  • Design with Steel, Wood, and Concrete
  • EIFS/Stucco Investigations
  • Roof Replacement Specifications
  • Change of Use
  • Special Inspections
  • Emergency Repairs
  • Foundation Design
  • Retaining Wall Design
  • Special Inspections