J. Bret Cabbiness, PE is the Owner/Principal of Cabbiness Engineering, LLC and brings to our team over two decades of project management, government agency, and municipal engineering experience. He is a consistent, deadline-driven leader with a proven track record of success and expertise.


Along with his 28 years of expertise and experience, he brings his local knowledge, stemming from his upbringing in Western Oklahoma. Throughout his career, he has created a known-foundation built upon his strong Oklahoma values and he has remained committed to actively upholding these guiding principles in every professional endeavor he manages.


Bret has worked with the Oklahoma Department of Transportation, various Oklahoma municipalities, nationally-recognized engineering and architectural firms, as well as the Oklahoma Turnpike Authority for most of his career, allowing him the opportunity to establish well-rounded working relationships with various agencies and project-related officials. He makes it a goal in every project he has a hand in to work closely with the everyone involved to ensure that they fully understand the fundamental cause(s) and the suggested improvement options and concepts in the early stages before proceeding to full analysis and approval.

ADA Compliant Certified 

BRETT MORAN, PE - Transportation Design Manager

Brett Moran has worked on numerous projects that have involved addressing transportation infrastructure to solve safety, congestion, as well as environmental and economic issues through sustainable design procedures. Through his experience, he has the capability to evaluate a project location’s existing conditions and design/document intelligent, data-rich solutions that not only solve transportation issues, but preserve historical and cultural resources as well. Brett has worked on multiple projects that encompass roadway modifications throughout the state of Oklahoma. He has designed numerous Oklahoma Transportation and municipal roadway projects, allowing him to determine the most feasible and cost effective, forward-thinking design for each specific project. 

ADA Compliant Certified 

SEAN PRICE, EIT - Project Engineer

Sean Price joined our firm in 2018 and brings several years of municipal design and project management experience with him. Sean specializes in water transmission/distribution and sanitary sewer designs, and has performed various water system studies to augment existing infrastructure and projects. Additionally, he has a proven track record leveraging demand calculations and future projections to form sensible and innovative solutions.

ED HARRIS - Project Design Support & Construction Inspection

Ed Harris brings to our team more than a decade of experience in the  Oklahoma Transportation industry. His main inspection project role is to work closely with our project engineers to handle and maintain all aspects associated with the public safety, time management, cost management, quality management, on-site decision making and on-site design interpretations. Additionally, he as the thorough understanding that is needed to interpret and explain design plans and contract terms to the necessary project-related groups. 

ADA Compliant Certified 

HELEN THOMPSON - Project Design Support

Helen has 37 years of diverse design experience as it relates to the Civil Engineering industry. She has been responsible for the drafting needs for various projects, such as the Dallas Area Rapid Transit (DART) and the Broadway Extension in Oklahoma City. Her role with our team is to provide technical support to engineers and other designers to help facilitate multiple design solutions and to ensure project practices and drafting workflows are optimized. 

COLTON CLARK - Project Design Support

Colton Clark is a graduate from Mid-America Technology Center has four years of experience. He has the ability to draw maps, diagrams and profiles using cross-sections and surveys to represent elevations, topographical contours, sub-surface formations and structures; as well as the ability to include technical details and specify dimensions, materials and various procedures. 


AUSTIN ANDERSON - Project Design Support

Austin Anderson has proven to have a well-defined understanding of how his designs impact the overall design and constructability of a project. He works closely with our project engineers to prepare drawings and maps, particularly in municipal design projects. Additionally, he has the proven experience to create conceptual renderings that our clients can use to see a holistic view of a project, as well as help communicate the future value of a project to the public.

JOE TAYLOR - Project Design Support

Joseph Taylor embodies a student mentality. Being a full-time engineering student, our transportation engineers work with him to develop realistic and feasible solutions on a variety of projects. He specializes in creating and preparing detailed drawing files utilizing the necessary topographic and geotechnical data to be used in constructing highways, municipal roadways, and multi-use ADA trails.

MELISSA CORRICK - Document Manager

Melissa's primary function as our office Document Manager is to ensure the data between our cloud storage and in-house server is updated/synchronized in a timely manner, while maintaining the organization and integrity of the file structure and classification. She provides support to our Project Managers, as well as our field inspectors, making sure standards, systems, and best practices are maintained throughout each project she has a hand in. 

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