Find the right engineering partner.

From concept to completion, CAS Group is your trusted partner for successful project delivery.

The Woodlands, TX+1

Civil Engineering Consultants in Alaska

Anchorage, AK+4

Bettering Communities. Elevating Leaders.

Kenner, LA+3

Small Firm Client Focus, Large Firm Capability

Pittsburgh, PA+2

Premier Planning, Engineering, Surveying, and Land Development Services

Valdosta, GA

Design. Build. Operate.

Grand Rapids, MI+10

People-forward engineering design and consulting services

Chicago, IL+4

Innovative Mobility Solutions For Our Changing World

San Diego, CA+1

Community Planning Services and Land Use Planning.

Decatur, GA+2

Environmental Services and Environmental Impact Assessment.

Lean into the future with us.

Orlando, FL+4

Oregon's longest-standing independent transportation engineering and planning practice, with over 40 years of industry experience

Portland, OR+2

Empower your projects with common sense engineering solutions

Rapid City, SD

Reliable. Respected. Responsive. One Integral Team Providing Excellent Project Delivery.

Meriden, CT

One Vision. One Team. One Call.

Topeka, KS+6

Transforming how communities move

Orlando, FL+30

Excellence in Design Since 1969

Metairie, LA+3

Shaping Mobility, Empowering Growth

Dallas, TX

Your partner in smart mobility

Islandia, NY

National Presence. Hyper-Local Focus.

Williamsport, PA+17

HMB Delivers Quality Solutions

Frankfort, KY

Traffic Engineering and Traffic Signal Design.

Moving Our Communities Infrastructure Forward

Visalia, CA+1

A New Partnership A New Beginning

Lansdale, PA+2