Find the right engineering partner.

Mechanical Engineering and HVAC System Design.

Houston, TX+2

Trusted experts in building commissioning

MEP Engineering Design and Fire Protection Engineering.

North Brunswick, NJ+1

Award-winning full-service MEP and fire protection engineering consulting

Deliver High Performing Complex Buildings

Fairfax, VA+9

Excellence in Integrated Systems Engineering

Licensed Professional MEP and Fire Protection Engineers

Smithtown, NY

Building Potential... realized

Roanoke, VA

Inspired Designs. Proven Experts.

Plymouth, MN+1

Sustainable - Cost Effective - Engineered Design

Pasadena, CA

Be Informed; Be Confident

Reading, PA+5

Innovative mechanical, electrical, plumbing, and fire protection engineering services

San Francisco, CA

Harmonizing Relationships, Sustainability and Innovation

Experience The NEI Difference

Honesdale, PA+2

Building Solutions That Last

Trevose, PA

Mechanical, Electrical, and Plumbing Engineering Consultants

San Diego, CA

Innovation. Integrity. Excellence.

Moncks Corner, SC

Simply better.

Uniontown, OH+1

Design Services and Mechanical Design.

Full-service consulting engineering practice specializing in MEP, fire protection, and LEED-certified designs.

Fort Lauderdale, FL+1

We make buildings come to life

Albuquerque, NM+2

Building Systems Engineering

Manassas, VA

Mechanical, Electrical & Plumbing Engineering and Mechanical engineering.

Nashville, TN

Your Vision. Our InNovation.