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
  • Air Allergen & Mold Testing, Inc
  • ALS Environmental
  • ALS-Middletown
  • Andersen Service Co., Ltd. Quality Assurance department Testing Team
  • Baltimore Precision Instruments
  • Basculas Internacionales de México, S.A. de C.V.
  • Basf Mexicana, S.A. de C.V.
  • Bormann México
  • 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.
  • Ceres Analytical, LLC
  • Columbia River Processing aka Tillamook County Creamery Association
  • Cook County Department of Environmental Control
  • DB Labs, LLC
  • Descafeinadores Mexicanos, S.A. de C.V.
  • Dtech Calibration and Tools
  • Education Office for Safety and Sustainability, Faculty of Fisheries sciences, Hokkaido University
  • Ensayes y Representaciones, S.A. de C.V.
  • Ensayos y Pruebas Funcionales de México, S.A. de C.V.
  • Eugene Welders Supply Corporation
  • Eugene Welders Supply, Co
  • Flex AEG Labs GDL
  • GHD Consultants Ltd.
  • Global-tech Ltd. Technical Support Center
  • Healthy Buildings International, Inc.
  • Holts Precision, Inc.
  • Ingeniería Integral de Aguascalientes, S.A. de C.V.
  • Ingenieria y Servicios Electrónicos Industriales (ISEI)
  • JAE Business Support Ltd
  • KANKYO EISEI YAKUHIN Co., LTD Environmental Research Lab. of Public Health/Laboratory of Kansai Science
  • Kibun Food Safety Center Inc.
  • Kimpen, S.A. de C.V.
  • Kinetics Calibration, S.A.
  • LabCor Portland
  • Laboratory Technical Services LLC
  • Master Lab II, S. de R.L. de C.V.
  • MDI Calibration, Inc
  • Mess Servicios Metrológicos S. de R.L. de C.V.
  • Microbiology Lab Co.
  • Miguel Vázquez Contreras / Capacitación y Metrología
  • Mycotoxin Research Association
  • Naganoshi Yakuzaishikai Corporation Examination Center
  • Newco Inc.
  • NMK Resources, Inc.
  • Personal Genome Diagnostics
  • Praxair Distribution Inc
  • Praxair Distribution, Inc.
  • Quality Tech West
  • Quality Trust Labs SpA
  • Rugged Controls
  • Safran Aircraft Engines Mexico, S.A. de C.V.
  • SC Laboratories
  • Schafer Vallecitos Laboratories, Inc.
  • Servicios Integrales y Tecnologicos de Tamaulipas, S.A. de C.V.
  • SGS Japan Inc. Consumer and Retail Chemical Laboratory
  • Shea+Latone, Inc.
  • Spectra Analytical Lab LLC
  • Stewart Metrology
  • Total Calibration Solutions, INC
  • Total Tooling Concepts Inc.
  • West Michigan Scale Co., Inc.