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Previous to starting Firedyne Engineering, P.C., Mr. McGreal worked for two major Fire Protection Engineering engineering consulting firms, BOCA International, one of the world’s largest architectural/engineering firms (Skidmore, Owings & Merrill), a large automatic sprinkler contractor and owned & managed a mechanical, electrical & plumbing consulting engineering company.  He has approximately forty years of experience in Fire Protection Engineering & Code Consulting and is a Registered Professional Engineer in the states of Florida, Illinois, Michigan and Virginia.  Mr. McGreal holds the following International Code Council (ICC) Certifications:  Master Code Professional, Certified Building Official, Certified Fire Marshal, Fire Code Specialist, Fire Inspector I & II, Fire Plans Examiner, Fire Prevention Inspector I & II (NFPC), Accessibility Inspector/Plans Examiner, Combination Plans Examiner, Commercial Combination Inspector, Building Code Official, Building Code Specialist, Building Plans Examiner, Building Inspector, Commercial Building Inspector, Residential Building Inspector, Mechanical Code Official, Mechanical Code Specialist, Mechanical Plans Examiner, Mechanical Inspector, Commercial Mechanical Inspector, Residential Mechanical Inspector, Electrical Plans Examiner, Commercial Electrical Inspector, Plumbing Code Official, Plumbing Code Specialist, Plumbing Plans Examiner, Plumbing Inspector, Commercial Plumbing Inspector, Residential Plumbing Inspector, Residential Energy Inspector/Plans Examiner, ICC/AACE Property Maintenance and Housing Inspector and Housing Code Official.

Mr. McGreal's educational background includes a Master of Science Degree in Fire Protection Engineering from Worcester Polytechnic Institute, a Bachelor of Science Degree in Fire Protection & Safety Engineering from Illinois Institute of Technology and a Master of Business Administration Degree (Entrepreneurship Concentration) from DePaul University.  He was the second person in the United States to receive both an undergraduate and graduate degree in Fire Protection Engineering.  Mr. McGreal is a Professional Member of the Society of Fire Protection Engineers (SFPE) and has been a Principal Member of the National Fire Protection Association (NFPA) Technical Committee on Dry and Wet Chemical Extinguishing Systems (NFPA 17 & 17A) since 1996.  He has also participated on SFPE’s Advanced Sprinkler Design Task Force & ICC’s C.B.O. Mentor Program and was a Contributing Editor for various professional trade magazines, writing technical columns on various Fire Protection Engineering topics.   


Tel.: 708.518.9208

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Firedyne Engineering, P.C.

Tel.: 708.518.9208



18222 Cork Road

Tinley Park, Illinois 60477


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