OCS offers tailored ISO/IEC 17025 accredited calibration plans for dimensional standards, gauges, and hand tools.

Our environmentally-controlled laboratory offers a wide range of dimensional capabilities from gage blocks to precise length measurement. Automated test equipment provides unparalleled accuracy and economy.

OCS services include:

  • Calibration and adjustments
  • Certificates including full before/after data
  • In-laboratory and/or on-site service
  • Free pick up and delivery
  • Minor repair work
  • Flexible service contracts
  • Uncertainties to 5 micro-inches (0.000005”)
  • Trend analysis and history reporting
  • Fast turnaround


Our technicians provide expert calibration for:

  • Calipers
  • CMM Balls
  • Crimp Tools
  • Dial Bore Gages
  • Dial Indicators
  • Depth Gages
  • Feeler Gages/Shims
  • Gage Blocks
  • Height Gages
  • Laser Micrometers
  • Micrometers
  • Optical Comparators
  • Pin Gages
  • Plug Gages
  • Ring Gages
  • Snap Gages
  • Spheres
  • Steel Rules
  • Thread Plug Gages
  • Threaded Ring Gages
  • Threaded Wires

All calibrations are ISO/IEC 17025 accredited and NIST traceable.

Dimensional manufacturer brands we calibrate include but are not limited to:

  • Alameda
  • Ames
  • Brown & Sharpe
  • CDI Chicago
  • Dundick
  • Flexbar
  • Fowler
  • Glastonbury Southern Gage
  • Hemco Gages
  • Mahr Federal
  • Meyer Gauge
  • Mitutoyo
  • Starrett
  • Scherr-Tumico
  • Vermont Gage