View the Van Keuren Catalog Phone: 800-825-4272               847-439-9220 Fax: 800-879-1450 Email: gage.service@pmclonestar.com Manufacturing and Calibration of plug and ring gages: Van Keuren 107 SCT Drive White House TN 37188 Calibration of Optical Flats: Van Keuren 38383 Willoughby Parkway Willoughby OH 44094