Find the right engineering partner.

Solutions for Tomorrow's Connections

Pioneering Innovation Since 1965

Quality Delivered

Warrenton, VA+2

Personal relationships. Global reach.

Washington, DC+13

Collaborate. Innovate. Elevate.

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

The Woodlands, TX+1

Predictable delivery for complex capital programs.

Newport Beach, CA

Keeping You on Track

Cincinnati, OH

21st Century Solutions to 20th Century Infrastructure

Leander, TX

Effective and Reliable

Guaynabo, PR

Federal Construction Management and Project Controls.

Happy Valley, OR

Powering Energy Solutions

Syracuse, NY+7

Professional transportation engineering, bridge inspection, and construction management services.

Colorado Springs, CO+1

Program Management & Construction Management - Cost Estimating & Scheduling

San Francisco, CA

Engineering & Management Services

Los Angeles, CA

Engineering, Reimagined

Bismarck, ND

Engineering, architecture, and construction management consulting for major transit and infrastructure programs

San Francisco, CA

Delivering Sustainable Results

Fort Lee, NJ

Engineering solutions that move communities forward.

Miami, FL+5

Trusted Experts Delivering Environmental, Engineering, and Energy Solutions to Industry Leaders

Knoxville, TN

The Best Team for Project Success

Springfield, VA+1

Helping Build the Southwest since 1996

Phoenix, AZ+8

Energy Services and Program and Project Management.

Carlsbad, CA+1

Leading Projects. Building Relationships.

Ann Arbor, MI