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Signature Projects

All Projects by Service


Our LEED-certified architects guide clients through the entire design process from schematic design to design development and construction documents.


O&S specializes in reports and studies required by counties, cities, and states.


Our industry-leading professional engineers plan and design dependable structures that exceed all of today’s standards.


Our licensed engineers are certified energy managers and commissioning agents who will assess immediate repair needs, provide disaster response, and conduct investment-grade energy audits.


We are a recognized national specialist in parking structure assessment, restoration, repair, and design.


O&S expertly diagnoses building conditions to develop cost-effective repair options to extend useful life.

Exterior Envelope

Our team of engineers and architects solve and prevent performance issues related to building exterior envelope systems.


We help our clients plan for future expenditures by producing reliable studies and reports.