H.O. Trerice Co.

From their start in 1923 in Detroit, the H. O. Trerice Co. has remained true to the commitment of our founder: QUALITY in both PRODUCT and SERVICE. This commitment has placed Trerice as a worldwide leader in the manufacture and supply of temperature and pressure measurement and controls.

When your requirements demand quality and durability, the broad line of Trerice products is ready for your selection. Contact us today for expanded information on your particular areas of interest.


The H.O. Trerice Co. warrants products of its manufacture to be free from defects in workmanship and material for a period of one year from the date of shipment to the original purchaser. Trerice will repair or replace such product (F.O.B. Factory) should our internal examination reveal it to be defective. Product used in conjunction with non-Trerice product, or in any way modified or altered, may not be covered under the terms of this warranty. Trerice assumes no other responsibility or liability.


The following trademarks are not owned by Trerice and are the property of their respective owners:

  • Tri-Clamp®
  • Teflon®
  • Viton®


The H.O. Trerice Co. is a proud member of the Fluid Controls Institute (FCI) and the Valve Manufacturers Association of America (VMA), and participates with The Instrumentation, Systems, and Automation Society (ISA). These nonprofit associations work with manufacturers and other organizations to develop standards and exchange statistical and technical knowledge.

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