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BMS Instruments and Field Devices
Canada and USA

Established in 1983, Greystone has over 30 years of experience designing, manufacturing, and supplying HVAC sensors and transmitters for Building Automation Management Systems. Greystone Energy Systems Inc. is internationally recognized as one of the largest ISO registered manufacturers of HVAC sensors and transducers for Building Automation Management Systems. We have conscientiously established a worldwide reputation as an industry leader by maintaining leading-edge design technology, prompt technical support, and a commitment to on-time deliveries.

  • Telephone:

    +974 4441 6211
  • Fax:

    +974 4432 9361
  • Email:
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