Oklahoma City Office & Moore Laboratory-Construction Office

Oklahoma City, Oklahoma

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

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Oklahoma City, Oklahoma

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

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Phone

(405) 815-3600

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Fax

(405) 815-4080

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Email

[email protected]

Moore

201 Industrial Boulevard
Moore, OK 73160

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Moore, Oklahoma

201 Industrial Blvd.
Moore, Oklahoma 73160

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Phone

(405) 912-8378

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Fax

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Email

[email protected]

Gary Evans, PE

Director of Operations

Gary serves as EST’s Director of Operations overseeing all company affairs and interests in the Oklahoma.

Caleb Austin, PE

Director of Engineering

Caleb serves as EST’s Director of Engineering overseeing all engineering design for EST.

Oklahoma City and Moore Staff

Oklahoma City Office

Mohamed A. Elyazgi, PE
Professional Engineer

Amanda Newberry, PE
Professional Engineer

David Griffin, PE
Professional Engineer

Elham Mazroi, PE
Professional Engineer

Danna Hogan
Lead CAD Designer

Justin Frost
Senior CAD Designer

Chad Morris, PE
Lead Wastewater Engineer

Brian Cales, PE
Senior Project Engineer

Joseph Voss, PE
Environmental Engineer

Bryce Hanlon, PE
Geotechnical Engineer

Delaney Keith, EIT
Geotechnical Engineer Intern

Tony Terrell
Utilities Director

Eric Grow
Controller

Kathy Hurst
Construction Manager

Jay Adams
Marketing and Proposals Manager

Joe Cardenas, PE
Business Development Director

David Russell
County Client Manager

Moore Offices

Doug Wright, PE
Construction – Business Manager

Josh Terrell
Laboratory Manager

Tony Keefer
Resident Manager

Chris Serrano
Construction Manager

Robert Case
Construction Management Auditor

Michael Holloway
Construction Inspector

Adren Butler
Construction Inspector

Steven Haivala
Construction Inspector

Chris Hendershot
Certified Welding Inspector

Jonathan Alexander
Construction Inspector

Dustin Leonhart
Construction Inspector

Darian Stanton
Construction Inspector

Matthew Jones
Lab / Field Technician

Mason Riggs
Lab / Field Technician

Rick Taylor
County Client Manager

Oklahoma City Projects

Oklahoma City Careers

Oklahoma City News

EST Announces the acquisition of GeoConcepts

Jul 8, 2021

EST is excited to announce that we have added a new company to our team! EST now owns and operates a Los Angeles based company called GeoConcepts. GeoConcepts is a multi-disciplined geology and geotechnical engineering firm in Los Angeles, California. They provide...