Psi

4161 Ridgemoor Ave
Memphis TN 38118
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Established in 1881, Professional Service Industries Inc. is one of the leading engineering, consulting and testing firms in the United States. Based in Memphis, Tenn., the company offers a range of services, such as environmental consulting, industrial hygiene and indoor-air quality services, construction materials testing engineering and geo-technical engineering. It caters to education, commercial development and entertainment industries. The company is a member of the U.S. Green Building Council (USGBC) and American Association for Laboratory Accreditation (A2LA).