Leigh + O'Kane
A structural engineering firm focused on solving complex challenges through collaboration, responsiveness, and dependable execution.
Lee's Summit, MO
Explore capabilities, project experience, and office locations to build your shortlist.
A structural engineering firm focused on solving complex challenges through collaboration, responsiveness, and dependable execution.
Lee's Summit, MO
Structural Design & Construction Engineering

Stormwater and Stormwater Capital Improvements.
Charlotte, NC+1

Engineering and Drafting Services Designed to Compete on a Global Scale
Lafayette, LA+1

Take Your Project To The Next Level
Sterling, VA
Innovative, Driven, Reliable
Montgomery, AL+1

Socially responsible design for healthy communities and a healthy planet
New Orleans, LA+1
Multi-disciplinary engineering services for public and private development
Haverhill, MA

A Passion For Structures
Tallahassee, FL+2

Kansas City Structural Engineering Firm
Lenexa, KS

Structural Design, Analysis and Restoration
Alum Creek, WV

Civil Design and Storm Drainage.
Alexandria, LA
Designing & Building Your Vision
Florence, SC+1
Engineering Excellence Redefined: Leading the Way in Southwest Florida
Naples, FL+2

Civil Engineering Consulting You Can Trust
Edgewood, WA

Innovation, Precision and Excellence in Structural Engineering Consulting
Spring Lake Park, MN

Where historic systems and cutting-edge technologies find common ground.
Alexandria, VA

Building projects that build a better world.
Collegedale, TN+1
Engineering. Architecture. Surveying.
Longview, TX+1

Civil Engineering and Design for Municipal and Public Projects
St. Charles, IL

Engineering excellence
Mobile, AL+2
When others say no, we say "Here's How"
New York, NY+4

Professional civil and environmental engineering solutions
Fort Collins, CO+3
Aerospace, Architecture, and Engineering Services
Nashville, TN