Thor Specialties, Inc. is the American subsidiary of the Thor Group (, a global leader in the manufacture and distribution of a wide range of cost-effective biocides.



The company's formulation expertise is backed by the prime manufacture of a wide range of the active substances used in industrial, household and personal care applications. Often unseen by their users, our products can be found in a variety of industries from newspapers to dishwashing liquids, from building and construction to cosmetics.


The company today is truly multinational with production units and operating companies strategically located in 14 countries worldwide. Thor Specialties, Inc. based in Shelton, Connecticut, not only offers a wide range of products delivered on time, but also provides technical service, regulatory and registration support. In addition, our unique in vitro toxicology testing service is offered for personal care and pharmaceutical applications.


Thor Specialties, Inc. is ISO 9001:2015 certified with TUV Rheinland of North America and all Thor Products are manufactured under this mark of quality. As a group we are committed to the health and safety of employees, customers and the general public and proactively contribute to the setting of new environmental standards within the industry.