News

Transformational Day for EST

Transformational Day for EST

Today is a transformational day for EST. We have joined WSB https://www.wsbeng.com/, a design and consulting firm that provides engineering, community planning, environmental and construction services to the government, commercial and energy markets throughout the...

In Remembrance of Gary Ridley

In Remembrance of Gary Ridley

It is with great sadness that EST must inform you that Former Secretary of Transportation and Senior EST Advisor Gary Ridley has passed away. Gary Ridley was a great leader, mentor to many of us, and a great friend to all of us. His guidance, leadership, and wisdom...

EST is proud to announce the acquisition of Craig & Keithline Inc.!

EST is proud to announce the acquisition of Craig & Keithline Inc.!

EST is proud to announce the acquisition of Craig & Keithline Inc.! This merger of two of Oklahoma’s most experienced engineering firms offers a wide variety of advantages to our customers. Craig & Keithline has some of the most experienced transportation...

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Corporate Headquarters

615 N Hudson Avenue, Suite 300 Oklahoma City, OK 73102

(405) 815-3600

(405) 815-4080

EST has been aquired by WSB. Click here.