Illingworth Engineering Company has been acquired by Thermal Tech
The shareholders of Illingworth Engineering Company have sold the company to Thermal Tech, Inc.
Illingworth Engineering Company specializes in the design, sale, repair and service of packaged boiler systems throughout north Florida and south Georgia. Founded in 1939 by Dick Illingworth, the company was sold in 1945 to O.H. Fletchall and has been in the family ever since. With over 80 years in the industry, Illingworth has proudly maintained well-established customer and vendor relationships and is recognized as the longest-standing authorized Cleaver-Brooks representative in the US.
Thermal Tech is a commercial and industrial boiler repair, installation and maintenance service provider located in central Florida. The firm was established in Tampa, Florida, in 1984 by one of O.H. Fletchall’s sons, Don Fletchall, and Hugh Wilson.
Oaklins’ team in Jacksonville acted as the lead advisor to the seller and the management of Illingworth Engineering Company in the preparation of the sale process and due diligence, the approach and parallel negotiations with potential buyers, and assisted them until closing.



Michael Fletchall
Owner, Illingworth Engineering Company
Talk to the deal team
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