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.
  • Aceromex, S.A. de C.V.
  • Adhezion, Inc.
  • Adka Laboratories
  • Aguas de Saltillo, S.A. de C.V.
  • Analytical Resource Laboratories
  • ARDL, Inc.
  • BASF Plant Science, GB
  • BRC Laboratory, Inc.
  • Calimex, S.A. de C.V.
  • Comercializadora y Servicios Técnicos L, S.A. de C.V
  • Consulting Microbiology of California, Inc. (CMC, Inc.)
  • Dallas Calibration Services
  • DHHS/FDA/ORA Pacific Regional Laboratory NW
  • DHHS/ORA/FDA Arkansas Regional Laboratory
  • Environmental Technical Laboratory, Ltd.
  • ESS Labs
  • Fundidora Especializada del Nazas, S.A. de C.V.
  • Global Pharma Analytics, LLC
  • Hatch-Wind Resource Assessment Practice
  • IETQAN for Corporate Solutions
  • Industrial Tool Works, Inc.
  • Ito Kogai Chosa Kenkyusho Co., Ltd.
  • Japan Meat Science & Technology Institute
  • Kenko Mayonnaise Co., Ltd.
  • Mac Systems Corporation
  • Marubeni Nisshin Feed Co., Ltd.
  • Mastronardi Produce
  • NAAS Panama S.A.
  • New Age/Landmark Inc.
  • Nihon Michelin Tire Co., Ltd. Michelin Research Asia Division
  • Pacific Sensor, LLC
  • Proto Manufacturing, Inc./Proto Manufacturing, Ltd.
  • Quest Engineering Solutions
  • RTI, LLC.
  • Saudi Aramco Shell Refinery co. (SASREF)
  • Spectrum Technologies N.A. Inc.
  • Superior Measuring LLC
  • Tecnología e Instrumentación Analítica S.A de C.V
  • TWILIGHT, S.A. de C.V.
  • Vistalab Technologies
  • Werner Co.
  • Yamaguchi Health and Service Association
  • Zwick Centro America, S.A. de C.V.