Warren-Knight Instrument Company
A division of Warren Industries, Inc
Warren-Knight Instrument Company
2045 Bennett Road - Philadelphia, PA 19116
Phone: 215.464.9300 - Fax: 215.464.9303

Angle Measuring Meteorology Optical Tooling Navigation Military Products Survey-Construction Instruments Instrument Calibration serviceInstrument Certification ServiceInstrument Repair ServiceEquipment RentalCustom Instrument DesignGovernment Contracts



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Warren-Knight Calibration Laboratory

Metrology and Calibration
Standards Laboratory

Warren-Knight instrument Co. is a technically diversified company providing engineering, design, and manufacturing—including technical support services—to all U.S.A. and international markets.

Services Available:

  • NIST Traceable Calibration and Repair MIL-STD-45662A
  • 24 Hour Calibration Turn Around
  • Equipment Recall Scheduling
  • Metrology Program Requirements
  • Calibration Procedure Development
  • Factory trained and Authorized
  • Repair and Calibration Center


Warren-Knight Instrument’s repair and calibration shop will repair and calibrate any optical and/or mechanical alignment, leveling or angle measuring instrument. We also repair and service any surveying and construction equipment, optical alignment fixture, and other testing and calibrating instruments required for the complete repair, overhaul and calibration of your instrument.