Why Choose OnCal?
ISO/IEC 17025 Accredited Calibration Services Provider
About OnCal: Providing Expert Calibration for 20+ Years
With over 23 years of experience in pipette calibration in the Pacific Northwest, the OnCal Corporation guarantees seamless and dependable metrology services for our clients. We reduce lab downtime by offering onsite calibration, ensuring your pipettes are only out of use for a few hours. We are committed to quality and are ISO/IEC 17025:2017 accredited by PJLA.
OnCal: Powered by Accredited Labs
A New Standard in Precision & Trust
For over two decades, OnCal has been a trusted leader in precision calibration, known for our dedication to accuracy, reliability, and outstanding service. Now, as part of the Accredited Labs family, we are enhancing our standards by merging our local expertise with the advanced resources, technology, and nationwide support of a top-tier calibration network.
What This Means for You
- The Best of Both Worlds: Keep enjoying the personalized service you trust, now supported by a national network of ISO/IEC 17025-accredited labs.
- Enhanced Capabilities: Explore a wide array of calibration services, state-of-the-art technology, and top-tier compliance and quality standards.
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Fast Service & Clear Pricing: No surprises — enjoy transparent pricing, flexible scheduling, and quick, reliable service to keep your operations running smoothly.
- Audit-Ready Confidence: We simplify calibration and compliance processes, allowing you to concentrate on your core operations.
The OnCal Promise: Now Even Stronger
Backed by Accredited Labs, we deliver unmatched value and precision. Experience the future of calibration, where local expertise combines with national excellence.

What Makes OnCal Different
Powered By Accredited Labs
As part of the Accredited Labs family, we offer top-tier calibration services with ISO/IEC 17025 accreditation, cutting-edge technology, and a focus on precision.
Customer-First Approach
We provide quick responses, adaptable scheduling, and clear communication to ensure a smooth calibration process from beginning to end.
Trusted Expertise
With deep industry experience and a meticulous approach to precision, our technicians consistently provide reliable, audit-ready results you can trust.
Your Trusted Partner in Precision
Avoid risks from calibration delays or missing documentation. Choose OnCal for dependable, audit-ready precision.