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.

  • Absolute Precision Group LLC
  • Applications Technologies Co. LLC
  • ATI Wah Chang, Richland Operations
  • Cal Scientific, Inc.
  • Cal Tec Labs, Inc
  • Calibration Specialty, Inc.
  • CG Automation & Fixture, Inc.
  • Coastal Specialty Gas
  • Commercial Scale and Balance Co.
  • Control Solutions, Inc
  • D.J. Metrology LLC
  • Demartek
  • Detroit Steel Processing
  • Dott. Antonino Morello - Studio Professionale e Laboratorio di Ricerca
  • Edge Analytical, Inc.-Bellingham
  • Environmental analysis center of Niigata prefecture
  • Environmental Science Research Niigata Analysis Section
  • Fugro Basrah, Iraq
  • Great Lakes Scientific
  • Great Plains Microbiology, LLC
  • Hark Laboratories
  • ILMO Products Company
  • Japan Environment Science Co., Ltd.
  • KB Labs, Inc.
  • Keystone Automotive Industries, Inc./AQTS
  • Kobe Quarantine Station
  • Laboratorio de Instrumentación Dimensional, S.A. de C.V.
  • Marusan Pharm Biotech Corporation
  • Maxim Pipette Service, Inc.
  • Metals Technology, Inc.
  • Miller Labs
  • Miller Paving Ltd
  • Nagano Science Co., Ltd. Calibration Laboratory
  • National Non Additive Foods Association Analysis Center
  • Pipette Calibration Services
  • Saginaw Valley State University
  • Scott-Gross Co., Inc.
  • SePRO Corporation
  • Servicios Industriales y de Apoyo de la Laguna, S.A. de C.V.
  • Teel Analytical Laboratories
  • TER.A Consulting S.r.l.
  • The Coca Cola Export Corporation Sucursal en México
  • Tier 5 Labs, LLC.
  • Tork Worx
  • Weck Laboratories, Inc.
  • Yokohama Quarantine Station