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.

  • Acculab Measurement Standards, Inc.
  • Accurate Dimensional Inspection, Inc.
  • Accu-Test Labs
  • Advanced Herbal Analytics, LLC.
  • Alpine PolyTech, LLC
  • American Flux & Metal
  • A-OX Welding Supply
  • BDC Laboratories
  • Biochemical Lab Service S.r.l.
  • Calibraciones de MetrologĂ­a Mtto. y ConsultorĂ­a, S.A de C.V.
  • Chant Engineering Co. Inc.
  • Clemson Veterinary Diagnostic Center
  • Copiisa Offshore, S.A. de C.V.
  • DTI Japan Ltd. Temperature Calibration Laboratory(TCL)
  • Fish Health & Safety Laboratory-Qatif
  • Flextronics Manufacturing Aguascalientes, S.A. de C.V.
  • Grace Analytical Laboratory
  • H & P Mobile Geochemistry, Inc.
  • HAT Co., Ltd.
  • Horizon Steel Company
  • Humphrey Pecan, S.A. de C.V.
  • IINO Co., Ltd.
  • Joliet Metallurgical laboratories, Inc.
  • Laboratorio Quimiaa / Rosalia Anaya Elizalde
  • Marathon Systems Control, S. de R.L. de C.V.
  • MED Institute, Inc.
  • Oxarc, Inc.
  • Panasonic Corporation Eco Solutions Company Lighting Business Division Quality & Environmental Innovation Center
  • PSILab, Inc.
  • Quality Lab Accessories
  • Quality Testing Calibration, LLC.
  • Shinano Environmental Pollution Research Institute
  • Shiono Koryo Kaisha, Ltd.
  • Solve Metrology
  • STK Technology Co., Ltd.
  • Technology Experts
  • Tejas Testing & Inspection Inc
  • Testerlab Laboratorio, S.A. de C.V.
  • The Savant Laboratory
  • Toyo Quality One Corporation Quality Assurance Division Analysis Group
  • U.S. EPA Region 1