Leading the 'Weigh' with Innovative Solutions and Technology®
  • Accurate Railcar Weights by the Ton
    Accurate Railcar Weights by the Ton
  • Truck Scales That Keep You Legal
    Keeping Your Scales Legal
  • Rentals, Calibrations & Service.
    Calibrations & Services
  • Rentals, Calibrations & Service.

OV Scale & Instruments was acquired by the ownership of Kanawha Scales & Systems of Poca, WV in September 2016. The OV Scale name has officially changed to Kanawha Scales & Systems, Inc. on January 1st, 2018. Kanawha Scales was founded in 1954 and has grown to become one of the preeminent industrial scale companies in the United States, with an outstanding reputation for service, quality, and safety. This will benefit our valued customers by providing them with access to Kanawha Scale’s unique product, automation and service competencies, with which we can continue to provide customized service and solutions as before but now with greatly enhanced capability to meet our customers’ needs. Please visit www.kanawhascales.com for more information.


  • Rail – Track, Pitless Rail & Track/Truck Scales
  • Marcellus/Utica Shale – Tank & Hopper and Rail Track Scales
  • Steel – Coil. Crane & Platform Scales
  • Trucking – Forklift, Truck & Floor Scales
  • Utilities – Truck & Track Scales; Unattended Weighing


  • 24/7 Emergency Service
  • Extreme Capacity Tests
  • Maintenance Contracts
  • Rentals
  • Scale, Balance & Instrument Calibrations
  • Turnkey Installations
  • Featured Service
  • Torque Wrench Calibration
  • We can calibrate your torque wrenches in capacities from 5 in/lbs to 600 ft/lbs with quick turnaround.
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