09/24/2025
Welcome to Cornerstone Gauge Testing!
We specialize in calibration and certification of backflow test gauges, helping testers keep their equipment accurate, compliant, and ready for the job.
✔️ Locally owned & operated
✔️ Fast turnaround times
✔️ NIST-traceable calibration for certified accuracy
Our mission is simple: provide precision you can trust, with the quick service you need to stay on schedule. Every gauge we calibrate is backed by NIST standards, giving you the confidence that your readings are reliable and compliant.
Message us anytime to schedule your calibration or ask a question. Thanks for stopping by - we look forward to serving you!
