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Assurance Technologies is a TIER 5 distributer of Vermont Gages and can help assist with quoting any standard hard gage order. If your team has a blue print or call-out that requires a custom gage you can email and we'll work with Vermont gage engineers to get you specifications and a formal quote. For standard thread plugs, thread rings or plain plug gages use our online order menu via the link below to submit your requirements. We are also ISO 17025 accredited for a majority of your hard gage classes and specifications, you can submit a request for calibration quote to

Vermont Gage was formed in 1980. The Gage division manufactures a wide range of gage pins and sets. In 1989, the line expanded to include Class X which gave them the capacity to manufacture to tolerances within 20 millionths. Additionally, they have expanded the types of gages offered to customers by adding taperlock gages, ring gages, and thread ring gages.


Thread manufacturing division is in a state of the art manufacturing facility in Franklin, Kentucky and our main manufacturing and sales operations have recently moved into their new state of the art facility in Swanton, Vermont. Vermont Gage manufactures 98% of the products we sell. Vermont Gage's success has been built on quality products, competitive price and delivery, technical expertise, innovative marketing, working with distributors and end users to develope value added programs.

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