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Micro Precision Calibration is your partner in calibration.

About Us

Micro Precision Calibration Inc. is a privately held corporation with headquarters in Sacramento, CA. Jerry Trammell, President and PE, established our first lab in 1969 in San Jose, CA. The Sacramento Lab was opened in 1986. National Quality Assurance registered Micro Precision Calibration to ISO 9002 in 1995. A2LA accreditation to the ISO/IEC 17025: 1999 standard was achieved in several disciplines as the need for Standards compliance increased between our customers.


22835 Industrial Place Grass Valley, CA 95949


(530) 268-1860


(342) 444-4322

Secondary Business Types
  • Precision Instruments