Find the right engineering partner.

We Make Clients Successful

Chesterfield, MO

Forward, Together

Topeka, KS

Trusted experts in building commissioning

Elevating standards with every project we engineer

Highly-Functional, Efficient, and Sustainable MEP Design

Romeoville, IL+1

Architectural, Engineering, and Building Inspection Services

Outer Banks, NC+1

Mechanical Services and Pipefitting.

Cedar Rapids, IA+3

Electrical Engineering and Mechanical Engineering.

Beaverton, OR

Fast, Reliable Engineering Support Backed By A Licensed PE

Point Pleasant, NJ

Mechanical Engineering and Split HVAC Systems.

Huntsville, AL

Mechanical Engineering and Electrical Engineering.

Atlanta, GA

One-stop engineering and project management services throughout the project life cycle.

Chicago, IL

An Environmentally Responsible Engineering Firm

Ambler, PA+1

Engineering a Greener Tomorrow...Today.

Dublin, OH

MEPT engineering for complex buildings

Cleveland, OH+5

Experience The NEI Difference

Honesdale, PA+2

Full-service mechanical, electrical, and plumbing engineering for commercial, educational, and municipal projects across Florida.

Gainesville, FL+1

Engineering.Innovation.Everyday.

Delray Beach, FL

Mechanical and Electrical Consulting Engineering

Knoxville, TN

Connecting Ideas, Delivering Solutions.

Orlando, FL

Engineering Excellence with Comprehensive Full Service Solutions

Washougal, WA

Engineering and Structural engineering.

Indianapolis, IN