Find the right engineering partner.

Before you buy, Call HEI

Houston, TX

Comprehensive engineering, construction, maintenance, turnarounds, and specialty services for industrial facilities.

Baton Rouge, LA+3

From concept to completion: turning ideas to reality

Houston, TX

Progressive - Proactive - Proven

Houston, TX

We've Got Air Quality Covered

Frisco, TX+6

Engineering Precision. Delivered.

Houston, TX

Engineering safe and lasting infrastructure solutions for our communities

Tulsa, OK+2

Advancing the State of Hybrid and Electric Marine Vehicles

Bellingham, WA+3

Your trusted partner in Civil Engineering and Commercial Site Development.

Houston, TX

Mechanical Engineering and HVAC Systems.

Lenexa, KS+14

Way ahead in corrosion control

Houston, TX

Excellence by Design

New Orleans, LA+4

Construction with Predictable Excellence

Houston, TX

People Helping People Solve Complex Infrastructure Challenges

Raleigh, NC+6

Delivering public infrastructure efficiently, economically, and sustainably.

Houston, TX

Progress Made Possible

Houston, TX+3

High quality engineering services for the water and wastewater industry

Dallas, TX+2

From the Ground Up!

Houston, TX

Professional Engineers. Regulatory Experts. Trusted Partners.

Houston, TX

We Keep Airports Moving

Apopka, FL+6

Designing America's Energy Lifelines

Wyomissing, PA+3

Transportation Infrastructure and Route Studies and Schematic Design.

San Antonio, TX+1

Civil Engineering and Transportation Engineering.

Victoria, TX+4

Microseismic Subsurface Diagnostics

Houston, TX