Perry Johnson Lab Accreditation

Perry L. Johnson, a world leader in quality, established Perry Johnson Laboratory Accreditation, Inc. (PJLA) in 1999. PJLA is a private third-party accreditation body based in the United States that validates the competency of testing and calibration laboratories, inspection bodies, reference material producers and sampling organizations through the use of international and national standards. PJLA is fully supported by our stockholder, Mr. Perry L. Johnson.