Find the right engineering partner.

Engineering with precision, pace and passion

Hoffman Estates, IL

All Systems Go.

Peoria, IL+3

People-forward engineering design and consulting services

Chicago, IL+4

Providing timely, cost-effective, sustainable engineering solutions through long-term relationships

Springfield, IL+3

Experience. Reliability. Integrity.

Chicago, IL

Electrical Engineering and Low/Medium Voltage Systems Design.

St. Louis, MO+1

Excellence by Design, Sustainability by Commitment

Chicago, IL

National resources, local relationships.

Schaumburg, IL

Building Science Leadership

Louisville, KY+48

Future-focused, cost-effective engineering solutions for building systems.

New York, NY+8

Engineering the Amazing

Atlanta, GA+16

Engineering Together

Columbia, MD+3

Innovative Engineering Solutions

Crystal Lake, IL

Experience The NEI Difference

Honesdale, PA+2

New Technology. Merged with Legacy Experience.

Schaumburg, IL

Custom electrical, mechanical, and plumbing engineering solutions

Edwardsville, IL

Architecture + Engineering | Construction | Mission Support

Chicago, IL+3