Parr Instrument Company
Chemical ManufacturingIllinois, United States51-200 Employees
Since 1899, Parr Instrument Company has designed and manufactured laboratory instruments and apparatus for conducting chemical reactions and tests under heat and pressure, as well as for testing fuels. Its product line includes stirred reactors, pressure vessels, and high‑pressure tubular reactors for studying catalytic and non‑catalytic reactions in batch, continuous‑flow, and multi‑unit configurations across the chemical, polymer, biofuels, hydrometallurgical, pharmaceutical, petroleum, and petrochemical industries. The company also offers custom‑designed complex reactor systems built to customer specifications. In addition, Parr provides oxygen combustion calorimeters used to determine the heat of combustion in solid, liquid, and refuse‑derived fuels for the energy, educational, coal, and fuel‑testing sectors. The portfolio further includes sample preparation vessels for extraction, digestion, and hydrothermal synthesis, as well as vessels for cell disruption by nitrogen decompression. Parr Instrument Company is based in Moline, Illinois (211 53rd Street, 61265, United States) and employs between 51 and 200 people, with a website at parrinst.com.