"Town of Highland Park has been very pleased...I found [OEI's] staff to be very knowledgeable, responsive, and meticulous. Thanks for the good work." -- Meran Dadgostar, PE, RS, Town of Highland Park Town Engineer, on the Wycliffe Avenue and Exall Lake Dam Safety and EAPs

"The work was completed ahead of schedule and exceeded expectations for thoroughness and clarity. City Staff was impressed with the quality and timeliness." -- Steve Howerton, City of Ennis City Manager, on the Lake Clark Dam Spillway Adequacy Assessment

"OEI provided the City a thorough flood study of a unique drainage situation...OEI was professional in their approach and evaluation of the drainage issue and produced an informative and well organized report." -- Michael Polocek, PE, City of Garland Engineering Administrator, CIP, on the Downtown Drainage Improvement projects

"OEI staff asked thorough questions, provided detailed engineering plans, and was repsonsive to specific client needs." -- Samir Goel, City of Dallas Project Manager, on the Erosion Control and Wastewater Improvement projects

"Jim O'Brien was an extremely knowledgeable expert witness. His comprehensive understanding of flooding-related issues and the issues involving our case in particular was helpful to us in presenting a solid case. He is a very credible witness. I have nothing but accolades for Jim O'Brien and his firm." -- Robert L. Scott, Scott Money & Ray PLLC, on a Flooding Case

"The case required a great deal of hydraulic and hydrologic evaluation and proficiency. Jim O'Brien provided fantastic direction and expertise in preparing me to defend the lawsuit. He supplied me with a great number of cross examination points..." -- Paul Sheldon, Strasburger & Price LLP, on a Personal Injury Death Flooding Case