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.

  • A.K.O., Inc.
  • Adka Laboratories
  • Aguas de Saltillo, S.A. de C.V.
  • AMC Labs, S.A. de C.V.
  • Analytical Resource Laboratories
  • ARDL, Inc.
  • Atrya Lab. S.A. de C.V.
  • Azady Industries-Lab
  • BRC Laboratory, Inc.
  • Comercializadora y Servicios T├ęcnicos L, S.A. de C.V
  • Consulting Microbiology of California, Inc. (CMC, Inc.)
  • Daimler Vehiculos Comerciales, S. de R.L. de C.V.
  • Dallas Calibration Services
  • DHHS/ORA/FDA Arkansas Regional Laboratory
  • Environmental Technical Laboratory, Ltd.
  • ESS Labs
  • Fundidora Especializada del Nazas, S.A. de C.V.
  • Good Measure, LLC
  • Hatch-Wind Resource Assessment Practice
  • Hytorc Northwest Services LLC
  • Infra, S.A. de C.V.
  • Intertek Automotive Research-Carnot Emissions
  • Ito Kogai Chosa Kenkyusho Co., Ltd.
  • Japan Meat Science & Technology Institute
  • Japan Scientific Feeds Association Scientific Feeds Research Center
  • Kenko Mayonnaise Co., Ltd.
  • Knighthawk Engineering Materials Laboratory
  • KYOCERA Document Solutions, Inc. Technical Head Office Image Process Management
  • Luminator Technical Laboratories A Division of Luminator Holding L.P.
  • Marubeni Nisshin Feed Co., Ltd.
  • Mastronardi Produce
  • Mie Prefecture Environmental Conservation Agency
  • NAAS Panama S.A.
  • New Age/Landmark Inc.
  • Nihon Michelin Tire Co., Ltd. Michelin Research Asia Division
  • Nissoku Engineering Co., Ltd
  • Praxair Geismar
  • ProVerde Laboratories, Inc
  • Quest Engineering Solutions
  • RTI, LLC.
  • Saudi Aramco Shell Refinery co. (SASREF)
  • Scott-Gross Co., Inc.
  • Superior Measuring LLC
  • Tool Testing Lab.
  • Universal Enterprises Inc. (UEi) Canada
  • Vistalab Technologies
  • Werner Co.
  • Yamaguchi Health and Service Association
  • Zwick Centro America, S.A. de C.V.