Third Coast Gage & Calibration specialize in American Petroleum Institute (API) Spec 7-2 & 5B thread gage manufacturing and calibration. We outsource manufacturing and control calibration to approved suppliers using API certified masters in our calibration lab in Alvin, TX. All gages are provided with a NIST Contribution Certificate or internationally recognized standards, as required by API Q1 and ISO 9001. We also offers Custom design and manufacturing services having more than 20 years of experience in the API thread calibrator industry. To get in touch, visit www.thirdcoastgage.com