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 Environmental
  • ALS-Middletown
  • American Stress Technologies, Inc.
  • Andersen Service Co., Ltd. Quality Assurance department Testing Team
  • Baltimore Precision Instruments
  • Basf Mexicana, S.A. de C.V.
  • C-6 Inc. dba. Precision Gage Inc.
  • CA Dept of Public Health, Food and Drug Laboratory Branch
  • Camin Cargo Control
  • Cascade Technical Services-Vermont
  • Caterpillar México, S.A. de C.V.
  • CDX Analytics
  • Center for Nanosatellite Testing, Kyushu Institute of Technology
  • Ceres Analytical, LLC
  • Cook County Department of Environmental Control
  • DB Labs, LLC
  • 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
  • Global-tech Ltd. Technical Support Center
  • Healthy Buildings International, Inc.
  • IINO Co., Ltd.
  • Ingeniería Integral de Aguascalientes, S.A. de C.V.
  • Ingenieria y Servicios Electrónicos Industriales (ISEI)
  • JAE Business Support Ltd
  • Japan Food Inspection Corporation Tokyo Metoropolitan Area Office
  • Kibun Food Safety Center Inc.
  • Kimpen, S.A. de C.V.
  • Kinetics Calibration, S.A.
  • LabCor Portland
  • Laminar Technologies
  • MDI Calibration, Inc
  • Mess Servicios Metrológicos S. de R.L. de C.V.
  • MG Merchandise Test Center Co., Ltd.
  • Microbiology Lab Co.
  • Miguel Vázquez Contreras / Capacitación y Metrología
  • Ministry of Transport, Central Laboratory
  • Naganoshi Yakuzaishikai Corporation Examination Center
  • Newco Inc.
  • PharmLabs
  • Praxair Distribution Inc
  • Praxair Distribution, Inc.
  • Public Health Society of Miyagi Prefecture
  • Quality Tech West
  • Quality Trust Labs SpA
  • Rugged Controls
  • Safran Aircraft Engines Mexico, S.A. de C.V.
  • Saudi Irrigation Organization Water Quality Labs Department
  • Saybolt LP.
  • Schafer Vallecitos Laboratories, Inc.
  • Servicios Integrales y Tecnologicos de Tamaulipas, S.A. de C.V.
  • Shea+Latone, Inc.
  • Sivacc Ks S.A. de C.V.
  • Spectra Analytical Lab LLC
  • Stewart Metrology
  • Suncoh Environmental Research Center Co., Ltd.
  • Total Calibration Solutions, INC
  • Total Tooling Concepts Inc.
  • Umpqua Research Company
  • West Michigan Scale Co., Inc.
  • Willrich Precision Instrument Company