Strem established in 1964, is a company that manufactures and markets specialty chemicals of high purity. Strem was acquired by Ascensus Specialties in 2021. Its clients include academic, industrial and government research and development laboratories as well as commercial scale businesses in the pharmaceutical, microelectronic and chemical / petrochemical industries.

Strem is located in Newburyport 38 miles (60km) north of Boston, Massachusetts, USA. This facility covers 48,000 sq. ft (4,460 m2). Its cGMP facility is FDA inspected.