Alliant Engineering, Inc.
Civil Engineering and Transportation Planning & Design.
Explore capabilities, project experience, and office locations to build your shortlist.
Civil Engineering and Transportation Planning & Design.
Excellence. Innovation. Service.
Cherry Hill, NJ+13

Innovative Solutions, Proven Results
El Paso, TX

Trusted Experts | Innovative Results
Manchester, NH+6

Civil Engineering and Site Planning and Design.
Lancaster, PA

A Better Approach to Civil Engineering
Harrisburg, PA
Civil Engineering and Stormwater management and drainage.
Urbana, IL

Expert management, quality results
Cathedral City, CA

No Job is Too Big.
Milwaukee, WI+10

Professional Engineering and Municipal Engineering.
Scotch Plains, NJ
Safety focused. Mobility Driven.
Orlando, FL

Delivering High Quality, Efficient Transportation Solutions
New Cumberland, PA+6
Integrated Solutions. Stronger Communities.
Detroit, MI

Engineering Strong Communities
Shelby Township, MI+2

Municipal and Site Engineering and On-call municipal support.
Warwick, RI+1
Engineering with Focus
Hillsborough, NJ
Your Vision. Our InNovation.

Build More Than Infrastructure
Lehi, UT+8

Loyal. Trusted. Genuine.
Ormond Beach, FL+1

applied ingenuity
New York City, NY+1
Solutions That Shape Communities
Rochester Hills, MI+4

Improving our communities and meeting our clients' needs by doing the right things, right.
Fort Worth, TX+4

Dedicated to Our Clients Since 1979
El Paso, TX

Civil Engineering and Land Surveying.
Riverdale, UT