
Design Nine, Inc.
We Know Railroad
St. Louis, MO
Explore capabilities, project experience, and office locations to build your shortlist.

We Know Railroad
St. Louis, MO

Redefine Potential

Improving Communities Together, One Project at a Time
San Antonio, TX+1

Excellence by Design
Colorado Springs, CO+3

Providing Solutions for a Better Tomorrow
College Station, TX

Caring people. Quality work.
Redmond, WA+3
Network and Telecom Services and Civil Engineering and Transportation.
Mishawaka, IN+2

Where Insight Matters
Houston, TX+2
Making Your Project Successful In A Changing World
Bowling Green, KY

Innovative & Efficient Engineering Solutions
Cleveland, TN+2

Client First
San Jose, CA

Engineering Solutions for Hawaii's Future.
Honolulu, HI

Enhance Mobility and Safety with Innovative Transportation Solutions.
Waynesville, NC
Helping the Gulf Coast work & move.
New Orleans, LA+1

Quality, integrity, and technical expertise providing innovative engineering solutions for traffic, transportation planning, and design.
Scottsdale, AZ+2

Planning Services and Water Resources Planning.
South Bend, IN
Consulting Engineers Since 1915
Bloomfield Hills, MI+2

Engineering Solutions That Connect and Transform Communities

Solving Complex Problems Through Integrated Design and Engineering
Quincy, IL+8
Drinking Water and Water storage.
Topsham, ME

Roadway Design, Land Development, and Project Management Services

Program/Project Management & Oversight and Owner Representative.
Englewood, CO+4
Engineered For Life

Innovative and cost-effective infrastructure engineering solutions
Pembroke Pines, FL