
O&S Associates
Experts in new design and restoration engineering
Hackensack, NJ+5
Explore capabilities, project experience, and office locations to build your shortlist.

Experts in new design and restoration engineering
Hackensack, NJ+5

Engineering Solutions for Success
Providing benefits to our clients and the greater community through engineering excellence and creativity
Millersville, MD

Civil, Structural, and Forensic Engineering Services
Dallas, TX

Where expertise meets imagination
Houston, TX

Fire protection engineering, code compliance, and practical safety solutions.

Empowering Projects with Geostructural Expertise and Technology
New York City, NY

Design Everything With Passion
Troy, NY

Bringing Architectural Visions to Life
Pittsburgh, PA+2

Engineering with Integrity, Honesty & Highest Standard of Care
Fort Thompson, SD

Top-Rated Experts in Innovative Structural Solutions
Atlanta, GA

Mechanical Engineering and Electrical Engineering.
Jacksonville, FL

Full-service consulting engineering committed to structural excellence and precision
Engineering the systems that power modern industry.
Walla Walla, WA

Geotechnical, Environmental & Industrial Services
San Ramon, CA

Excellent, Value-Driven Inspections & Reports

Structural Engineering and Civil Engineering.
Scranton, PA+2

Complete Design Services for Better Building Projects
Kingston, NY

We Know Buildings!
Avondale, AZ+1

Relationships | Expertise | Integrity
Raleigh, NC+8

Quality You Can Count On
Duluth, MN

Expert witness and forensic engineering services for the oil and gas, refining, and pipeline industries
Plano, TX
Geotechnical Investigations and Foundation Design.
Medford, OR

Expert Witness & Forensics for the Civil Engineering Industry