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. 

OCS Technologies: Powered by Accredited Labs

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For years, OCS Technologies has been a trusted name in calibration, known for precision, reliability, and exceptional service. Now, as part of the Accredited Labs family, we’re taking that commitment even further—blending our local expertise with cutting-edge technology and nationwide support to better serve you.

What This Means for You

1. Local Service, National Strength: The same dedicated team and personalized service you trust, now with the backing of a nationwide network of accredited calibration experts.

2. Expanded Capabilities & Certifications: More calibration services, advanced technology, and ISO/IEC 17025 accreditation to ensure compliance at the highest industry standards.

3. Reliable Turnaround & Transparent Pricing: No hidden fees, no delays—just clear pricing, efficient service, and minimal downtime to keep your operations on track.

4. Audit-Ready Confidence: We simplify calibration and compliance so you can focus on running your business with peace of mind.

At OCS Technologies, our commitment to accuracy, quality, and strong customer relationships remains the same. Now, with the national resources and expertise of Accredited Labs, we’re delivering even greater value—without compromising the personal service you depend on.

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