For over 55 years, Gage Assembly Company has been manufacturing precision thread gages. Based in Lincolnwood, Ill., the firm offers American Inch, Whitworth, British, metric, Acme, Buttress, straight and tapered pipes. Gage Assembly Company provides a hard chrome finish on all standard thread plug gages. It also offers services, such as fabrication, fine tool steels and advanced calibrated inspection equipment. The company s gages meet the American National Standards Institute s (ANSI) requirements and are traceable to National Institute of Standards and Technology (NIST).