Since its founding more than one hundred years ago, Parr Instrument Company has been engaged exclusively in the manufacture and sale of chemical reactors, pressure vessels, bomb calorimeters, combustion vessels, and related equipment developed specifically for laboratory use.

Throughout its long history the primary emphasis in all Parr manufacturing has been to provide its customers with quality apparatus, carefully designed for each application and backed by a competent technical support staff with many years of experience in this specialized field.