Providing the highest quality professional engineering services



Summary of the Firm


O'Reilly Engineering Group, LLC ("OEG") specializes in the design of plumbing, fire protection, heating, ventilating, and air-conditioning (“HVAC”), electrical, and technology systems for buildings of all uses and occupancy types. We offer our services to architects, building owners, developers, governmental agencies, contractors, and other engineers. OEG furnishes comprehensive plans and specifications for all phases of the design process, which include: schematic design, design-development, and the construction documents phase. The leadership of OEG offers over 90 years of combined work experience in the building and construction industry.


Our Mission

  At OEG, our mission is to provide the highest quality professional engineering services to both public and private clients in the construction industry. We are committed to providing these engineering services at market competitive fees that will be easily affordable to our clients. Moreover, we are committed to providing the utmost standards of personal service to all of our clients. 


Exemplary Project Types

Maintenance Facilities


 Industrial Buildings

Office Buildings


Criminal Justice Facilities



 Retail Stores

Airport Terminals

 Computer Facilities

Research Facilities

 Educational Facilities

Recreational Facilities

 Health Care/Assisted Living Facilities

Churches/Religious Facilities