Using an integrated approach to design, fabrication and installation, JH Kelly’s team delivers mechanical systems to a job site faster, safer and more productively due to our integrated shop environment.


JH Kelly’s experienced mechanical and electrical contracting teams provide the following services:

  • Plumbing and Piping Pre-Fabrication
  • Module & Skid Fabrication
  • Plumbing Installation
  • HVAC Piping Installation
  • HVAC Controls

We offer in-house design and constructability services as well:

  • LEED Construction Experience
  • Design Assist/Design Build
  • 3-D AutoCAD / BIM with Revit, SysQue, Navisworks

JH Kelly maintains 100,000 square feet of fabrication area with 12 acres of secure adjacent lay-down area for storage.

Our commercial mechanical teams push the envelope to maximize pre-fabricated assemblies, eliminate every field man-hour possible, and save clients’ money.

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