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.

  • ADD Testing and Research, Inc
  • Advanced Food Labs, Inc.
  • Aerospace Lubricants
  • Analytical Services Laboratory of Alltech, Inc.
  • ARDL, Inc.
  • Azady Industries-Lab
  • Biomarine Research Corporation
  • CG Automation & Fixture, Inc.
  • Chubu Shiryo(Feed)Co., Ltd. Research and Development Dept. Experimental Hygiene Section
  • Complete Genomics, Inc.
  • Daimler Vehiculos Comerciales, S. de R.L. de C.V.
  • Darigold Corporate Lab
  • EZAKI Glico Co., Ltd. Glico Institute for Safety Research
  • Good Measure, LLC
  • Hytorc Northwest Services LLC
  • Indiana Crop Improvement Association, Inc
  • Japan Scientific Feeds Association Scientific Feeds Research Center
  • Kankyo Keiryo Center
  • Kitakyushu Pharmaceutical Association Inspection Center
  • Knighthawk Engineering Materials Laboratory
  • KYOCERA Document Solutions, Inc. Technical Head Office Image Process Management
  • Laboratorio Industrial Roca,
  • Laboratorios de Metrología FESO S.A. de C.V. (Instrulab)
  • Luminator Technical Laboratories A Division of Luminator Holding L.P.
  • Machida Hygienic Control Laboratory
  • Mastronardi Produce
  • Metrología HOP, S.A. de C.V.
  • Mexical Metrologia, S.A. de C.V.
  • Microbiological Environments
  • Mie Prefecture Environmental Conservation Agency
  • Molex Japan LLC
  • MX Industrial, Inc.
  • Nissoku Engineering Co., Ltd
  • Pipette Calibration Services
  • ProVerde Laboratories, Inc
  • Quantum Metrology a division of Cal One System
  • Roberto Sánchez Rosas / Smartlab
  • RTI, LLC.
  • Saudi Aramco Shell Refinery co. (SASREF)
  • Scott-Gross Co., Inc.
  • Superior Measuring LLC
  • Systems Integration Technical Expertise, Inc.
  • Thwing-Albert Instrument Co.
  • Tool Testing Lab.
  • Tribologik Corporation, Inc.
  • WDB Environmental & Biological Research Institute Co., Ltd.
  • Woodpecker Industries