Association badge legend
VS Vendor Showcase


Thielsch Engineering is a rapidly growing, privately held company, comprised of nearly 300 people, providing a broad range of engineering, laboratory, and fabrication/repair services. Thielsch corporate headquarters is located in Cranston, Rhode Island with branch operations in Florida, Maine, Ohio, Texas, and Wisconsin.

What makes Thielsch Engineering unique?

We are a professional engineering company that provides a full complement of in-house engineering, analytical, laboratory, testing, field inspection and welding repairs, pressure vessel fabrication/repairs, and construction testing services.

We serve clients ranging from medical device manufacturers, to pulp and paper mills, process chemical and pharmaceutical plants, oil refineries, petroleum pipelines and storage, public utilities--water and power generating, commercial office buildings, colleges and universities, and single family residences.

We provide a wide range of coordinated engineering consulting services to insurance companies, attorneys, and the wide variety of clients mentioned above--both domestic and international.

Our engineering and technical personnel draw on nearly twenty years of the companys history, and over two hundred thousand assignments at customer sites around the world.

Our engineering, laboratory, water, and energy management groups offer a vast array of integrated turnkey services to a diversified grouping of clients. Our reputation is based on 24/7 response, and our eye is always on our customers bottom line and the safety of their work environments.