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DePue Mechanical welder performing industrial pipe welding inside a facility.

Services

Industrial Mechanical Services for Illinois Plants & Facilities

DePue Mechanical provides industrial mechanical construction, fabrication, maintenance, and emergency repair services for manufacturing plants, process facilities, commercial buildings, municipalities, and general contractors across Illinois.

Our capabilities include industrial and process piping, ASME code welding, commercial HVAC, sheet metal, skid fabrication, equipment setting, BIM/VDC coordination, prime general contracting, and 24/7 emergency mechanical repair. We plan work around safety, production schedules, shutdown windows, equipment access, and the demands of operating facilities.

Industrial Piping

Industrial Piping

DePue works with all parts of piping systems including pipes, tubing, pumps, valves, fittings, tanks, and compressors.

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Industrial Welding

Industrial Welding

Field and shop welding for industrial piping, equipment, supports, and plant repairs, including shutdown & emergency welding.

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ASME Code Welding

ASME Code Welding

Code welding for boilers, pressure piping & vessels, and code-repairs requiring qualified procedures and documentation.

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Commercial HVAC

Commercial HVAC

Industrial and commercial HVAC services for reliable facility performance across Illinois.

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Sheet Metal Fabrication

Sheet Metal Fabrication

Custom industrial sheet metal fabrication, ductwork, ventilation, guards, hoods and field installation for Illinois plants.

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Maintenance Services

Maintenance Services

DePue has the tools, equipment, and experience necessary to deal with any type of maintenance, repair, replacement, and more.

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Skid Fabrication

Skid Fabrication

Designed to the customers' specifications, our skids are designed and fabricated to tolerate the heaviest of loads.

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Equipment Setting & Steel Fabrication

Equipment Setting & Steel Fabrication

DePue Mechanical specializes in turnkey heavy equipment setting, rigging, and industrial steel fabrication services.

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24/7 Emergency Mechanical Repair

24/7 Emergency Mechanical Repair

When emergencies strike, count on DePue Mechanical's 24/7 Emergency Repair Services to minimize downtime and mitigate damage.

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Design & VDC/BIM

Design & VDC/BIM

Mechanical Design and VDC/BIM Services for Illinois Facilities

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Pipe Fabrication

Pipe Fabrication

Shop-fabricated piping systems designed to support efficient field installation and shutdown work.

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Prime General Contractor

Prime General Contractor

General Contracting for industrial facility expansions, equipment installs, utility upgrades, & multi-trade capital projects.

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"We don't consider ourselves successful unless our customers are successful. DePue will always show up to deliver our customers a safe, quality constructed, on-time and on-budget project because we have the most professional, hard-working, and skilled craftsmen in the industry."

Brad Mooney

VP Operations

Industries

Markets We Serve

DePue Mechanical's professional and reliable services extend to a wide range of markets and industries.

  • Healthcare
  • Chemical
  • Power
  • Refining
  • K-12
  • Municipal
  • Institutional
  • Commercial
  • Renewable
  • Biodiesel
  • Ethanol
  • Higher Education
  • HVAC
  • Food & Beverage
  • Pharmaceutical
  • Boiler-Tank-Code
Worker welding a flanged pipe connection outdoors