Norman and

Lawton, Oklahoma

Norman, Oklahoma

480 24th Ave. NW, Suite 244,
Norman, Oklahoma 73071

Norman, Oklahoma

480 24th Avenue NW, Suite 244
Norman, Oklahoma 73069


(405) 307-8378


(405) 701-1965


711 SW C Avenue
Lawton, OK 73501

Lawton, Oklahoma

711 SW C Avenue
Lawton, Oklahoma 73501


(580) 771-2555


(580) 771-2533

Paul Poynter, PE

V.P. of EST and Lead Structural Engineer

Paul Poynter is the Vice President of EST, Inc. and the Lead Structural Engineer for the company. He also oversees most all work from the Norman Regional Office. The Norman office includes Design, IT, Survey and UAV Services.

The Lawton Office, lead by Project Manager Cecil Beisel, is responsible for local engineering, construction management, materials testing and inspections.

Norman and Lawton Staff

Cassidy Doescher, PE
Engineer Manager

Andy Armstrong
Environmental Manager

Kevin Bryan
Senior Designer

Braden Brown, EI
Engineer in Training

Kodi Wallace, EI
Engineer intern

Ashwin Kesiraju, EI
Engineer in Training

James Thatcher
Senior Designer

Andrew Crowell
CADD Technician

Victor Hopper
CADD Technician

Carla Bonner
Local Government Liaison

Nigel Dunham, PE
Senior Power Engineer



Darren Messick
Survey Manager

Edward Painter, PLS
Professional Land Surveyor

Phillip Milligan
Survey Party Chief

Steve Allen
IT Manager and UAS Certified Pilot

D. J. Draper
Enterprise Architect

Nick Westenhaver
Student Intern


Cecil Beisel
Senior Project Manager

Dakotah Easley
Lab Technician

Linda Wylder
Admin Assistant

Norman Projects

Norman Careers

Norman and Lawton News

EST Announces the acquisition of GeoConcepts

EST Announces the acquisition of GeoConcepts

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...

Lt. Governor visits with EST – Tulsa

Lt. Governor visits with EST – Tulsa

It was an honor to visit with our Lt. Governor and fellow industry leaders in our downtown Tulsa Office about our State’s critical infrastructure.

Contact Us

Corporate Headquarters

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

(405) 815-3600

(405) 815-4080