King Tester Corp.

Making lasting impressions since 1936

King Tester is a leader in portable Brinell hardness testers, Rockwell testers, microscopes, and test blocks catering to some of the largest names in industries ranging from foundries to aerospace. We are an ISO 17025 certified lab by the American Association for Laboratory Accreditation (A2LA) servicing King Brinell testing equipment.

Andrew King solved a need for a portable, full-load Brinell tester by founding King Tester in 1936. The company has been providing high-quality and ruggedly designed portable Brinell testers and other equipment made in the USA ever since.