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National Presence,
Local Excellence

Accredited Labs is a national calibration and equipment lifecycle service platform built on quality, technical excellence and a people-first mission statement. We’ve grown from a single provider to one of the largest calibration service providers in the nation.

Find Your Local ISO/IEC 17025 Calibration Provider


At Accredited Labs, we believe reliable calibration starts with local expertise you can trust. Our network of calibration companies combines national standards of precision and compliance with the local names and dependable experience you expect.

Showing 22 companies
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  • Accutek Lab

    Accutek Lab has been providing reliable and cost-effective pipette calibration services across the United States since 1996.

  • Aldinger

    Since 1972, Aldinger has been providing top-quality calibration services for test and measurement equipment in Texas and beyond.

  • Cal-Labs

    Cal-Labs has provided quality calibration in Southern California since 1977. We are A2LA accredited to ISO 17025. 

  • Calibration Services Inc.

    Calibration Services, Inc. (CSI) is an on-site and in-house calibration firm specializing in calibration and service of mechanical testing devices.

  • Cal Tec Process Management

    The calibration specialists at CTPM have been providing precision calibration and quality assurance since 1987.

  • Cal-Cert

    Cal-Cert is committed to providing the highest level of calibrations and certification service to our customers.

  • CMG Sales, Inc.

    CMG Sales, Inc. is a leading manufacturer sales representative and ISO 17025 accredited calibration laboratory providing services to manufacturers nationwide.

  • ETI Precision

    ETI has been a leader in the calibration, repair, and sale of test and measurement equipment since 1994, and covers all 50 states.

  • Holts Precision, Inc.

    For over 60 years Holts Precision, Inc. has performed calibrations & repairs on all major brands of gaging equipment.

  • Huston-DePue

    Established in 1960, HDCL is staffed by experienced professionals who understand the critical role accurate measurement plays in quality control and regulatory compliance.

  • Instrument Technologies, Inc.

    For over three decades, Instrument Technologies, Inc. (ITI) has been a trusted partner for regulated industries seeking precision, compliance, and operational reliability.

  • J & J Calibration Service

    J&J Calibration Service, an ISO-17025 accredited company, offers unmatched mobile calibration capabilities and laboratory calibration services.

  • OCS Technologies

    Founded in 1930, OCS Technologies is a trusted multi-discipline calibration service provider as well as leading product distributor.

  • OnCal

    With over 23 years of experience in pipette calibration in the Pacific Northwest, the OnCal Corporation guarantees seamless and dependable metrology services.

  • Precision Calibration Systems

    PCS is a full-service ISO 17025 Accredited calibration laboratory, founded with the goal of providing reliable and accurate instrument calibration service.

  • Quality Control Services

    Quality Control Services is an established, accredited calibration services and laboratory equipment company with over 40 years of experience.

  • Quality Surveillance, Inc.

    QSI has been providing Los Angeles, Ventura, Santa Barbara and Santa Clarita Counties with reliable and cost effective metrology services since 1992.

  • Servo Innovations

    Servo Innovations, founded in 2005,  has earned industry-wide trust for its accredited calibration, repair, and technical services.

  • Tescom Calibration Services

    Tescom Calibration Services has provided sales, repair, and calibration of telecom test equipment since 1982.

  • Trident Calibration Labs

    Serving the greater Phoenix area, Trident Calibration Labs has more than 100 years of combined calibration experience.

  • Utah Scale Center

    Utah Scale Center offers servicing and calibrating of industrial scales across the Rocky Mountain Region, with 70+ years of experience.

  • Washington Calibration

    Washington Calibration has been providing customers with quality gage repair services for all their inspection measuring instruments for more than 34 years. 

Aldinger: Powered by Accredited Labs

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A New Era of Precision & Trust

Aldinger Co. has built a legacy of precision, trust, and excellence in calibration services. Now, as part of the Accredited Labs family, we are taking that commitment to the next level—combining our deep-rooted expertise with the resources, innovation, and nationwide support of a trusted industry leader.

 

What This Means for You

By joining forces with Accredited Labs, Aldinger customers now benefit from:

  1. The Best of Both Worlds: The local, high-touch service you’ve always counted on—now with the backing of a national network of accredited calibration experts.
  2. Enhanced Capabilities & Certifications: Access to a broader range of calibration services, state-of-the-art technology, and industry-leading ISO/IEC 17025 accreditation.
  3. Reliable Turnaround & Transparent Pricing: No more unpredictable delays or hidden fees—just clear, fair pricing and efficient service that keeps your operations running smoothly.
  4. Audit-Ready Confidence: Whether you’re preparing for compliance checks or routine maintenance, we streamline the process, so you can focus on what matters most—your business.
  5. The Aldinger Commitment, Elevated
    While our name and team remain the same, our ability to serve you has grown stronger. We continue to prioritize the relationships, trust, and expertise that have made Aldinger a trusted partner for decades. Now, with Accredited Labs’ national reach and advanced capabilities, we’re bringing you even more value—without compromising the personalized service you expect.
Welcome to the future of calibration—where local expertise meets national excellence.

 

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