Olsson Acquires The Process Group

August 13, 2025

Olsson, an engineering and design firm, acquired The Process Group (TPG), a chemical engineering and process/mechanical design firm based in Chesterfield, Missouri. The 15 TPG employees will join Olsson, with most based in the St. Louis metro area. The financial terms of the acquisition were not disclosed.

Buyers
Olsson
Targets
The Process Group (TPG)
Location
Missouri, United States
Transaction Type
Buyout

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