Professional Service Industries, Inc. (PSI) Email Format

Civil EngineeringIllinois, United States501-1000 Employees

Professional Service Industries, Inc. (PSI) is a mid-sized civil engineering and testing firm based in Arlington Heights, Illinois. It provides integrated quality assurance services across the construction market, including infrastructure, geotechnical work, materials testing, facilities engineering, and environmental assurance. These services support project delivery by assessing and ensuring the performance and compliance of construction materials and systems.
PSI was acquired by Intertek, a global quality assurance provider, expanding Intertek’s capabilities into the project side of construction alongside its building products testing and certification. Together, the entities offer a nationwide portfolio of testing and assurance services across building and infrastructure projects in North America.

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