JH Kelly’s semiconductor clients include S.E.H America’s and Wafertech’s Vancouver, WA facilities; Microchip in Gresham, OR; and repeat projects for high profile confidential clients.


The demand for innovation and new technology has never been greater. JH Kelly continues to set the standard in the advanced technology construction environment for industry leaders.

We understand your concerns:

  • Safety
  • Clean processes
  • Cost
  • Schedule

That’s why we provide a highly trained and experienced staff that truly understands the complexities of advanced technology environments, including high purity capability.

From the gas pad to the tool, and from the foundation to the air handlers, we have learned many valuable lessons from our involvement in complex fast-track construction projects. Because of this extensive experience and expertise, JH Kelly offers services ranging from design assistance to start-up and commissioning support.

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821 Third Avenue / PO Box 2038 / Longview, WA 98632T 360.423.5510 / F 360.423.9170 /