Psi

Professional Service Industries is an engineering, consulting and testing firm. It provides engineering, scientific, technical and management solutions to public and private sector clients involved in site selection, design, construction and property management. The company offers services in the areas of environmental consulting, construction materials testing, industrial hygiene, facilities and roof consulting, nondestructive examination, and geotechnical and specialty engineering. Its services include groundwater monitoring, health-risk assessment, remediation design and implementation, ecological restoration and data management. The company also conducts wetlands surveys and soil and groundwater contaminant investigations. With a location in Plymouth Mich., it also operates in Kalamazoo, Grand Rapids and Auburn Hills, Mich.