Driesenga & Associates is a full-service civil engineering firm based in Holland, Michigan, with offices across Michigan and serving clients regionally. The company provides civil engineering design, geotechnical services, land surveying, construction staking, and materials testing, including fi

G2S Consulting Inc., based in Burlington, Ontario, is a consulting firm founded in 2009 that provides environmental site assessment, due diligence, and related services to clients in the financial, public, and private sectors. The company offers site remediation, risk assessment, designated substanc

Professional Service Industries, Inc. (Intertek-PSI) is a nationwide provider of construction assurance, testing, and inspection services for civil and commercial construction projects. The company offers construction materials testing, geotechnical services, environmental consulting, industrial hyg