Since 1989, TEI has provided Construction Testing Services (CTS) throughout New England to assure that our clients design, build and repair their construction projects with confidence. We are a company that provides diverse engineering and laboratory services which are applied to a wide range of the transportation, commercial building and industrial processes. This diversity expands and offers additional resources for our CTS staff to draw upon.

Established in 1984, Thielsch Engineering, Inc. (TEI) is a growing engineering and technical services company with over 600 employees. The company’s headquarters is located in Cranston, Rhode Island with branch offices in Massachusetts, New York, Ohio, Texas and Florida. TEI provides a range of coordinated services on regional, national and international levels. Our mission is to deliver value-added, integrated services to our customers. We are dedicated to reducing operating costs and increasing profitability by extending the operating life of capital equipment and infrastructure, improving reliability and safety, and conserving energy.