Perry Johnson Laboratory Accreditation, Inc.

Perry Johnson Laboratory Accreditation, Inc. (PJLA) is a private organization, offering third-party accreditation services for testing and calibration laboratories. We are absolutely committed to meeting and exceeding the requirements and expectations of our clients in terms of the quality of the services we provide. We are a fully recognized accreditation body by the International Laboratory Accreditation Cooperation (ILAC) and by the Asia Pacific Laboratory Accreditation Cooperation (APLAC) to provide testing and calibration accreditation services.

What Our Clients Are Saying


Newly Accredited Labs

We thank you for your professionalism and the commitment to excellence everyone in your company exhibited all through the assessment process. We very much look forward to working with you in the future.
Tom Shamblee, President
Precision Weighing, Inc.

The overall experience was professional as well as knowledgeable. Your staff helped make the process flow smoothly and quickly. We appreciate all the assistance and look forward to working with you again in October 2010.
Judy Beebe, Quality Manager
BB Control, Inc.

  • Accu Bio-Chem Laboratories, LLC
  • Agricultural Technology Institute of Nagano Farmers’ Federation
  • ALS-Middletown
  • American Stress Technologies, Inc.
  • Andersen Service Co., Ltd. Quality Assurance department Testing Team
  • A-OX Welding Supply Co., Inc.
  • Baltimore Precision Instruments
  • Basf Mexicana, S.A. de C.V.
  • CA Dept of Public Health, Food and Drug Laboratory Branch
  • CDX Analytics
  • Center for Nanosatellite Testing, Kyushu Institute of Technology
  • Cook County Department of Environmental Control
  • Doble Engineering Company
  • Dtech Calibration and Tools
  • Ebatco
  • ECS Metrology
  • Education Office for Safety and Sustainability, Faculty of Fisheries sciences, Hokkaido University
  • Ensayos y Pruebas Funcionales de México, S.A. de C.V.
  • Eugene Welders Supply Corporation
  • Eugene Welders Supply, Co
  • Gasco Affiliates, LLC
  • Global Calibration, LLC
  • Healthy Buildings International, Inc.
  • IINO Co., Ltd.
  • Ingeniería Integral de Aguascalientes, S.A. de C.V.
  • Japan Food Inspection Corporation Tokyo Metoropolitan Area Office
  • Laminar Technologies
  • Mess Servicios Metrológicos S. de R.L. de C.V.
  • MG Merchandise Test Center Co., Ltd.
  • MR Calibration
  • National Non Additive Foods Association Analysis Center
  • Newco Inc.
  • PharmLabs
  • Praxair Distribution Inc
  • Public Health Society of Miyagi Prefecture
  • Quality Tech West
  • Saudi Irrigation Organization Water Quality Labs Department
  • Saybolt LP.
  • Schafer Vallecitos Laboratories, Inc.
  • Servicios Integrales y Tecnologicos de Tamaulipas, S.A. de C.V.
  • Sivacc Ks S.A. de C.V.
  • Spectra Analytical Lab LLC
  • Stadia Servicios de Calibracion
  • Suncoh Environmental Research Center Co., Ltd.
  • Tokyo Food Sanitation Association Food Research Laboratory
  • Total Calibration Solutions, INC
  • Total Tooling Concepts Inc.
  • Transport of Ministry, Central Laboratory
  • Umpqua Research Company
  • Willrich Precision Instrument Company