
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
Expert Forensic Solutions Delivered When It Matters Most

Structural Integrity - Collaborative Solutions
Scottsdale, AZ+2

Engineers Who Understand Your Business
Pasadena, CA+14

Partners for What's Possible
Philadelphia, PA

Every single project matters. Let us take on yours.
Anaheim, CA

Exceptional structural design solutions for the architectural and construction industry.
Sioux Falls, SD+1

Framing Solutions for Today's Challenges
Colorado Springs, CO+2

Aim for the Stars. Return to Earth. Use Rock Solid Principles.
Overland Park, KS

Where Visions Meet Solutions
Dallas, TX+3

Structural Engineering and Civil Engineering.
Scranton, PA+2
Civil and structural engineering consulting dedicated to enhancing lives through better engineered buildings.
Burbank, CA+2

Value-driven engineering for owners, developers, and the construction industry
Parsippany, NJ

Soft-Story Seismic Retrofit Solutions for Ordinance Compliance
Glendale, CA
Electrical Design and Green Building Consulting.
Bellingham, WA

Professional structural and parking engineering services
Wellesley, MA

Structural Engineers & Building Design Consultants Since 1970
Baltimore, MD
Best Value Engineering. Best Solution.
Indianapolis, IN
Unique Capabilities, Depth of Knowledge, and Valuable Industry Insight
Fort Lauderdale, FL
Geotechnical Engineering and Subsurface Exploration and Soil Borings.
Houston, TX

Mechanical Design & Engineering For Commercial Construction
Waitsfield, VT
Civil Engineering and Feasibility Studies.
Wilmington, DE

Reliable Engineering, Objective Auditing
Pensacola, FL+1