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Oklahoma City Office & Moore Laboratory

Oklahoma City, Oklahoma

615 N. Hudson Ave., Suite 300
Oklahoma City, Oklahoma 73102

Oklahoma City

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


(405) 815-3600


(405) 815-4080

Travis J. (T.J.) Dill, PE

Oklahoma City
Regional Director

T.J. serves as EST’s Oklahoma City Regional Director overseeing all company affairs and interests in the Oklahoma City Metro, Western, and Southern Oklahoma. This includes, but is not limited to: construction management, materials testing, geotechnical drilling, survey, and design.

Oklahoma City and Moore Staff

Gary Evans, PE
Director of Operations

Gary Ridley, PE
Senior Consulting Engineer

Amanda Newberry, PE
Professional Engineer

Bryce Hanlon, PE
Geotechnical Engineer

Carla Bonner
Local Government Liaison

Chad Morris, PE
Lead Wastewater Engineer

Joseph Voss, PE
Environmental Engineer

Christine Senkowski, PE
Geometrics Engineer

David Griffin, PE
Professional Engineer

David Russell
Senior Designer

Don Russell, PE
Professional Engineer

Elham Mazroi, EI
Engineer in Training

Jeremy Ng, EI
Engineer in Training

Kathy Hurst
Construction Manager

Jay Adams
Marketing and Proposals Manager

Joe Cardenas, PE
Business Development Director

Josh Dowdy
Network Administrator

Kevin Cameron, CPA
Chief Financial Officer

Aaron Irons
Moore Lab Manager

Chuck Revelle
Construction Management Manager

Tony Keefer
Resident Manager

Robert Case
Construction Management Auditor

Ricky Jenkins
Geotechnical Driller

Andrew Kwak
Geotechnical Driller

Annette Meyers
Construction Management

Jarrod Grunda
Lab Manager

Braden Brown, EIT
Engineer in Training

Oklahoma City Projects

Oklahoma City Careers

Oklahoma City News

Duncan Bypass Bridge ‘G’ Won 2017 Pharaoh Award!

Duncan Bypass Bridge ‘G’ Won 2017 Pharaoh Award!

EST designed all the bridges on the Duncan Bypass project and is excited to hear this bridge was awarded the Pharaoh Award for the highest quality bridge structure in the state. The award is given to the contractor and construction management team. Read more details...

EST Opens New Office in Lawton, Oklahoma

EST Opens New Office in Lawton, Oklahoma

EST is excited to announce our recent expansion with a new office in Lawton, Oklahoma. It is important for us to be close to the clients we service so we can continue to provide exceptional customer service and fast response to our clients needs. See the article for...

Contact Us

Corporate Headquarters

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

(405) 815-3600

(405) 815-4080