Your Partner in Calibration

At IN-CAL™ we're committed to building strong partnerships and delivering unrivaled precision.

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Who We Are


Since 1994, IN-CAL™ has been a customer-focused calibration laboratory offering a wide range of calibration and repair services to customers in their facilities as well as in our environmentally controlled laboratory in Hudson, NH.

IN-CAL™ became an Accredited Calibration Laboratory in 2008. Our team strives for continuous improvement, including investments in new calibration equipment and technology to ensure calibrations are performed accurately and efficiently.

Serving businesses in manufacturing, machining, research and development, and many others, we strive to surpass our customers’ expectations with every calibration and interaction.

IN-CAL™: Powered by Accredited Labs


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Raising the Standard in Precision & Partnership


For more than three decades IN-CAL™ has been a trusted name in precision calibration — known for our commitment to accuracy, reliability, and personal service.

Now, as part of the Accredited Labs family, we’re elevating that legacy even further by combining our local expertise with the capabilities of a nationally recognized group of ISO/IEC 17025-accredited labs.

What This Means for You

  • Local Service, National Strength: You’ll continue receiving the responsive, hands-on service IN-CAL™ is known for — now backed by the scale and support of a nationwide accredited calibration network.
  • Expanded Capabilities: Gain access to a wider range of metrology services, advanced technology, and enhanced compliance solutions tailored to your industry.
  • Transparent Pricing & Reliable Turnaround: Get straightforward quotes, flexible scheduling, and consistent service that helps reduce downtime and eliminate guesswork.
  • Confidence in Every Audit: From routine calibrations to high-stakes compliance, we make it easier to stay audit-ready and fully documented.

The IN-CAL™ Commitment, Reinforced

As part of Accredited Labs, we’re delivering even greater precision, broader capabilities, and the same dedication to service you’ve counted on for decades.

Welcome to the next generation of calibration — where local trust meets national excellence.

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 IN-CAL™ is committed to exceeding customer expectations with our adherence to quality standards, our dedication to professional communication and our responsibility to provide proficient calibration services.