Moving complex assembly workflows off the job site and onto an automated fabrication floor for precise, predictable results.

Moving complex assembly workflows off the job site and onto an automated fabrication floor for precise, predictable results. RJ Mechanical provides end-to-end off-site manufacturing for commercial and industrial infrastructure projects. With a team of highly trained pipe fitters and automated shop machinery, we assemble piping networks in a controlled facility. This approach eliminates conflicts with field layouts, keeps projects on track, and reduces on-site contractor risks.

Fabrication Capabilities & Materials


We manage the entire manufacturing process, from initial material processing to final layout, within our facility. This environment allows our pipe fitters to build, test, and sequence mechanical components before they arrive at the construction site.

  • Process & High-Purity Piping: High-pressure steam, condensate lines, sanitary stainless steel, and medical gas piping.
  • Industrial Fuel & Gas Systems: High-volume distribution infrastructure, including natural gas piping, specialized industrial line connections, and fuel oil piping and equipment.
  • Thermal & Hydronic Energy: Closed-loop facility heating and cooling systems, glycol piping, chiller and boiler plant networks, and high-efficiency geothermal loops.
  • Commercial Utility Infrastructure: High-capacity domestic water piping, along with heavy-duty facility waste and vent piping systems built for long-term reliability.

Built For Growth

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Choose RJ Mechanical for Your Fabrication

Robotic Welding

Robotic Welding

High-speed, pinpoint accuracy on every joint.

Climate-Controlled Shop

Climate-Controlled Shop

Ideal conditions for consistent weld quality.

Certified QA/QC

Certified QA/QC

Strict procedures and multi-point inspections.

Fabrication Capabilities & Materials

Contact us today to discuss your pipe fabrication and welding requirements or to speak with our team about your project scope.

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