Mast Gauge Co. is a family owned and operated business and has been since 1947. We have a large inventory of seal attachments, gauge calibration and repair, diaphragm seals, accessories, discontinued items, special dial printing, and more. We pride ourselves on getting the job done right the first time. With our years of experience we have acquired many industrial instruments. We are located in the heart of downtown Chicago but serve a wide base of customers. If you need it measured, tested, or fixed, give us a call today!
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