
The Diamond Engineering Company
Heavy in Construction Since 1920
Grand Island, NE
Explore capabilities, project experience, and office locations to build your shortlist.

Heavy in Construction Since 1920
Grand Island, NE

Excellence by Design
Highways, Roads, and Streets and Roadway geometry.
Chicago, IL

Land Development Engineering and Land Use and Entitlements.
Henderson, NV

Making Communities Better
New York, NY

We build for the benefit of all
New York, NY+1

Improving Quality of Life
Indianapolis, IN+2

We Make a Difference
Louisville, KY+7

Civil Engineering and Commercial, Residential & Institutional Site Development.
Santa Barbara, CA

Sustainable quality design and professional engineering solutions
Grand Forks, ND

Trusted Infrastructure Services for Aviation, Transportation, and Water
Chicago, IL
Civil engineering and land surveying services for public and private infrastructure in Northern California.
Chico, CA
Everything civil outside the building
Durango, CO

Knowledge-Based Engineers & Management Consultants
Philadelphia, PA+2

Award-Winning Civil Engineering Consulting Firm
Lawrence, MA+3

Engineering Tomorrow, Surveying Today, Researching Always
Bedford, TX+1

A Full-Service Civil Engineering Firm
Hinesville, GA+1

Dedicated to the success of our clients, our communities, and our employees.
Lafayette, IN
Program Integration for Complex Infrastructure at Scale.
Washington, DC+1

Large-Firm Resources. Personal Attention.

Transportation and Transportation Planning.
Rock Hill, SC

Designing Bridges & Connecting Communities
Orlando, FL

A Geotechnical Engineering Group Built for the Road Ahead
Charlotte, NC

The World is Unpredictable: Infrastructure Must Be Anything But
Houston, TX+2