McMullen Engineering was established in 1979 by Carl and Paul McMullen. McMullen Engineering provides electrical and mechanical engineering expertise to the building industry.

Brothers Carl A. McMullen, P.E., Mechanical Engineer and Paul R. McMullen, P.E., Electrical Engineer started their engineering firm at the kitchen table in 1979. From the beginning, the brothers have been delivering consulting engineering services for the mechanical and electrical design to the building industry through out Ohio and across the country. The firm strives to provide excellence in engineering along with a friendly personal touch.

Services offered include complete design of plumbing, fire protection, heating, ventilating, air conditioning, and electrical systems for commercial, institutional, educational, residential and industrial buildings. All related work such as studies, investigations, energy evaluations and code compliance are basic services provided on a continuing basis.

The objective of McMullen Engineering Company's staff is to furnish complete engineering services that reflect practical and coordinated mechanical and electrical systems to meet the project's requirements and budget.