Turnkey execution, single-point accountability

steel mill inset

JGM is purpose-built for the high-consequence demands of modern steel production, where uptime drives profitability and execution risk cannot be tolerated. In complex, unforgiving steel mill environments, we deliver with precision, discipline, and total accountability.

We operate like the special forces of industrial construction; deploying elite, self-perform teams built for live operational environments and critical path work. From tightly scheduled outages to large-scale expansions, we execute with one focus: protect operations, meet critical schedules, and deliver without compromise.

JGM provides turnkey solutions from preconstruction to commissioning, aligned across every phase.

Our capabilities include:

  • Laser scanning and constructability-driven design support
  • Structural steel fabrication and erection
  • Metal roofing and wall system Installations
  • OEM equipment installation and precision alignment
  • Mechanical installation and process piping systems
  • Large-scale ductwork and baghouse systems
  • Material handling systems and plant infrastructure
  • Overhead crane systems, runway installation, and rail alignment

We don’t just install; we integrate, align, and deliver systems ready to perform on day one.

OEM equipment installation & precision alignment

JGM supports leading OEMs across the steel industry, including:

  • SMS Group
  • Danieli Corporation
  • Andritz Metals USA
  • Prime Metals
  • Georg North America
  • Fives Group
  • Sarralle
  • SES
  • Janus Automation
  • Vollert

Our teams work directly with OEM representatives to ensure:

  • Installation to exact specifications
  • Precision alignment using advanced laser systems
  • Seamless integration into existing operations
  • Efficient commissioning and startup

Specialized solutions for steel mill operations

  • Turnkey construction for mill expansions
  • Structural steel fabrication and erection
  • Overhead crane installations, replacements, and rail alignment
  • Process piping and utilities
  • Material handling systems
  • EAF, LMF, and caster equipment setting and replacement
  • Hot strip mill and cold rolling mill equipment installations
  • Galvanizing and coating line installations
  • Baghouse and dust collection systems
  • ASRS system installation and integration

Built for outages, trusted for execution

We understand the cost of downtime in a steel mill. Our teams are built to:

  • Plan and execute complex outages with precision
  • Compress schedules through pre-fabrication, sequencing, and modernization
  • Operate 24/7 in multi-shift environments
  • Adapt in real time without compromising safety or quality

When the mill can’t stop, JGM delivers without fail

Alloy System Commissioning

SMS Group | Fairfield, AL

JGM supports the commissioning efforts of the new automated alloy system installed at the US Steel- Fairfield Facility.

Quench Press Rebuild

Cleveland Cliffs | Coatesville, PA

Scrap Funnel Stringer Platform

Steel Dynamics | Butler, IN

Partners

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