Find the right engineering partner.

Consulting Engineers

San Antonio, TX

MEP Engineering Design and Mechanical Engineering.

Germantown, MD+1

Dynamic Design, Reliable Results

Moon Township, PA+5

Excellence by Design, Sustainability by Commitment

Chicago, IL

National Architecture, Engineering, and Interior Design

St. Louis, MO

Forward-Focused Design Solutions

Building Commissioning That Protects Your Project From Design Through Turnover

Dallastown, PA

Advancing Engineering in the Built Environment

Spokane, WA

Consulting Mechanical Engineers

Tucson, AZ

People-forward engineering design and consulting services

Chicago, IL+4

In the Business of Designing High Performance Building Systems

Easton, MD+1

Hartford, CT-based Consulting Engineers Specializing in HVAC, Plumbing, Fire-Protection, Electrical, and Geo-Thermal Heat Pump Systems

Hartford, CT

Breathing Life into Buildings

Pikesville, MD

Designing building systems that enhance the quality of life

Rogers, AR+5

Experience The NEI Difference

Honesdale, PA+2

Nationally recognized. Locally preferred.

Greenwood Village, CO+15

Engineering Together

Columbia, MD+3

Lean and Agile MEP Engineering Services

Huntsville, AL

We Make Building Projects a Better Value

Sewickley, PA+1

We specialize in high-performance buildings

Milwaukee, WI

Buildings That Work | Empowering Client Success

Portland, OR+4

Our Expertise. Your Vision.

Sandy Springs, GA+1

High Fidelity Engineering

Colorado Springs, CO

Mechanical Engineering and HVAC Design and Upgrades.

Columbus, OH+3