Find the right engineering partner.

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City and Sea Group LLC (CAS Group)

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

The Woodlands, TX+1

We Plan, Design and Consult to Create Healthy and Thriving Communities

Nashville, TN+1

Project delivery, elevated

Santa Cruz, CA

Delivering High Quality, Efficient Transportation Solutions

New Cumberland, PA+6

Trusted Partners. Solution Providers. Sustainable Engineers.

Houston, TX+3

Trusted Expertise, From the Ground Up

New York, NY+4

Meaningful Experiences Through Inspired Design

Raleigh, NC+10