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Prefabricated pipe assembly staged for industrial piping installation
Welder fabricating steel supports for industrial equipment installation.

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What You Get

Whether you’re planning a major shutdown or a quick maintenance check, our field-tested resources help you avoid delays, manage contractors, and get your facility back online faster.



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Experience the Difference

What We Self-Perform

  • Industrial & Commercial HVAC
  • Sheet Metal Fabrication & Installation
  • Process & Utility Piping
  • Boiler & ASME Code Welding
  • Heavy Equipment Setting
  • Structural Steel Fabrication
  • Design-Build & BIM Coordination
  • Preventive & Emergency Maintenance

Recent Projects

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  • Telecommunication - Data Center

    Telecommunication - Data Center

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  • Case Study: Utility Piping Rack Installation for Food Manufacturing Expansion in Geneva, IL

    Case Study: Utility Piping Rack Installation for Food Manufacturing Expansion in Geneva, IL

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  • Case Study: UV Light System Upgrade for Beverage Manufacturer

    Case Study: UV Light System Upgrade for Beverage Manufacturer

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  • Case Study: Equipment Setting & Piping for Popcorn Production

    Case Study: Equipment Setting & Piping for Popcorn Production

    DePue Mechanical helped build the first fully automated caramel popcorn plant in the U.S., providing stainless steel piping, equipment setting, and utility tie-ins for a turnkey food manufacturing upgrade.

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  • Case Study: High-Pressure Steam Boiler

    Case Study: High-Pressure Steam Boiler

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Certifications

Industry-Recognized Trust & Compliance

DePue has earned an "R" stamp from the National Board of Boiler and Pressure Vessel Inspectors proving that our capabilities go far beyond what most client-partners expect.

Quality Craftsmanship. Very responsive with quotes and getting resources to help with issues when needed. Would highly recommend them for any project or needs.

Kenneth B.

Maintenance Planner

Great company to work with for mechanical projects large & small.

Kent H.

Manager of Engineering

As the Maintenance Manager at a local power plant, we rely on DePue Mechanical for contractor support. They respond quickly and efficiently to meet our growing needs and are willing to go the extra mile for their clients. The quality of work is top notch and have helped us out on several occasions handling emergent situations.

Ryan S.

Maintenance Manager

DePue has performed lots of work at our facility and their work is on time, on schedule and on budget.

Stuart O.