PMC Companies manufactures precision gages and measurement products, including API, pipe, thread, cylindrical, and threaded plug and ring gages, as well as thread and gear measuring wires. Its brands serve oil, gas, energy, plumbing, manufacturing, and American Armed Forces markets.
Allen Gauge & Tool CompanyAllen Gauge & Tool Company manufactures inspection gauges for threaded tubular products and describes itself as the original manufacturer of its gauges. Based in Latrobe, Pennsylvania, the company also repairs gauges, calibrating repaired items to API standards and furnishing certification.PITTSBURGH, PA
API MetrologyAPI Metrology grew from founder Dr. Kam Lau’s invention of the laser tracker at NIST in 1983 into a global metrology company with teams on four continents. It develops precision measurement systems and provides expert services that help manufacturers inspect complex work and keep production equipment accurate. Its calibration work is A2LA ISO 17025 certified.ROCKVILLE, MD
Dorsey Metrology InternationalFounded as The Dorsey Gage Company in 1955, Dorsey Metrology International is a third-generation, women-owned Poughkeepsie manufacturer of precision inspection gages, dimensional measurement instruments and optical comparators. The company is particularly known for solving large-component measurement problems and for designing custom gages rather than forcing applications into a one-size-fits-all approach. Its calibration laboratory is accredited by A2LA to ISO 17025, and Dorsey continues to build its products in the United States while supporting repair and contract manufacturing work.POUGHKEEPSIE, NY
Magnescale Co., LtdKnown for pursuing measurement at the picometer scale, Magnescale Co., Ltd. develops precision positioning and measurement equipment for machine tools, ultra-precision machining, and inspection. Its manufacturing controls include a temperature-maintained room for scale production and traceable calibration against national standards, with clean-room assembly supporting fine equipment.WEST CHESTER, OH