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Excellence. Innovation. Integrity.

O’Brien Engineering, Inc. (OEI) employs a full team of civil, environmental, and MEP engineers and architecture professionals whose competencies are built upon a foundation of excellence and problem-solving capabilities. For more than three decades, OEI has provided private, municipal, state, and federal clients with the knowledge, skills, and project management essential for completing projects in a timely manner and within strict budgetary guidelines.

Civil, Environmental, and MEP Engineers and Architects Who Offer So Much More

Over the years, we have curated a team of professionals who exemplify the foundations on which OEI has built a reputation for service and success:

  • Ownership
  • Teamwork
  • Continuous Improvement
  • Competence
  • Ethical Behavior

Adhering to these foundations at every stage of every project, OEI civil, environmental, hydraulic/hydrologic, and MEP engineers and architectural experts have proven to be capable partners who bring trustworthiness and value to each of our long-term client relationships.

We Get It Right the First Time

Contact OEI today to discuss your project specifics, timeline, and budget. We’re happy to start a conversation about your needs and create a bid with knowledgeable and informed attention to detail surrounding planning, project management, permitting, and regulatory agency coordination.

Visit OEI at our North Texas location

2340 E Trinity Mills, Suite 220
Carrollton, TX 75006

Give us a call with your questions

(p) 972.233.2288
(f) 972.233.2818

Submit the form below to request more information specific to your project or question.


OEI Seeks Innovators Who Offer More

Interested in an architecture or engineering job with lasting, meaningful opportunities for professional development? OEI professionals operate within a culture that demands excellence and supports our staff with continual process and professional improvement initiatives. Learn more about what it means to join a team that offers technical expertise and exceptional client  service. This could be the last career move you’ll ever want to make.

Visit the OEI Careers page to see what we’re about and learn more about opportunities for architecture and engineering professionals.