ISOCAL Laboratories has been in the calibration business for more than 50 years, serving clients in 35 states and 4 countries. Our calibration instruments include several laser-based units, laser based pin measurements and ring comparators capable of.000001 inch, arc-second angles, 2 supermicrometers, and much more...ISOCAL Laboratories is Internationally Accredited for ISO/IEC 17025: 2005 & Meets the Requirements of ANSI/NCSL Z540-1-1994 - By Perry Johnson Laboratory Accreditation, Inc - An ILAC-MRA Accreditation Company - Member of the National Association for Proficiency TestingProviding precision instrument calibration services to the aerospace, automotive, medical and general manufacturing industries.Whether on-location or in-house, ISOCAL Labs offers calibration of force, finishes, gage pins, gage blocks, pressure, rings, threads, torque, weights and more.