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. Torque Specialties
  • Advanced Food Labs, Inc.
  • AMC Labs, S.A. de C.V.
  • Analytical Services Laboratory of Alltech, Inc.
  • ARDL, Inc.
  • Atrya Lab. S.A. de C.V.
  • Azady Industries-Lab
  • Biomarine Research Corporation
  • BRC Laboratory, Inc.
  • Chubu Shiryo(Feed)Co., Ltd. Research and Development Dept. Experimental Hygiene Section
  • Daimler Vehiculos Comerciales, S. de R.L. de C.V.
  • Dallas Calibration Services
  • Environmental Technical Laboratory, Ltd.
  • ESS Labs
  • EZAKI Glico Co., Ltd. Glico Institute for Safety Research
  • Fundidora Especializada del Nazas, S.A. de C.V.
  • Good Measure, LLC
  • Hytorc Northwest Services LLC
  • Indiana Crop Improvement Association, Inc
  • Infra, S.A. de C.V.
  • Intertek Automotive Research-Carnot Emissions
  • Ito Kogai Chosa Kenkyusho Co., Ltd.
  • 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.
  • Machida Hygienic Control Laboratory
  • Mastronardi Produce
  • MetrologĂ­a HOP, S.A. de C.V.
  • Mexical Metrologia, S.A. de C.V.
  • Mie Prefecture Environmental Conservation Agency
  • NAAS Panama S.A.
  • Nissoku Engineering Co., Ltd
  • Praxair Geismar
  • Process Control Services, Inc
  • ProVerde Laboratories, Inc
  • Purity Laboratories, Inc.
  • Quantum Metrology a division of Cal One System
  • R&R Instruments, Inc.
  • Saudi Aramco Shell Refinery co. (SASREF)
  • Scott-Gross Co., Inc.
  • Superior Measuring LLC
  • Tool Testing Lab.
  • Universal Enterprises Inc. (UEi) Canada
  • Vistalab Technologies
  • Woodpecker Industries
  • Yamaguchi Health and Service Association