Reliable Systems. Real Results.
At IES Infrastructure, we deliver the electro-mechanical systems that power America’s industries. From advanced bus-duct systems and custom switchgear to precision steel fabrication and metal enclosures, we bring together trusted brands, proven expertise, and nationwide reach to keep operations running efficiently. As part of IES Holdings, Inc. (NASDAQ: IESC), we combine the agility of local manufacturing with the strength and stability of a national network.
Our Brands
IES Infrastructure unites a family of brands: Technibus, Plant Power & Control Systems, Freeman Enclosure Systems, Wedlake Enclosure Systems, Greiner Industries, Magnetech Industrial Services, Southern Rewinding Industrial Services & Sales, Calumet Armature Electric, Arrow Engine Company, and Wisconsin Heavy Fabrication.
Together, we design, build, and service complete electrical and mechanical systems for data centers, manufacturing, power generation, and many other industries. From engineering through field support, our teams collaborate to deliver end-to-end infrastructure solutions built for long-term performance, safety, and reliability.
Our Products
We design and manufacture products that form reliable power:
- Bus Duct Systems: Non-segregated, isolated-phase, and custom busway systems designed for high-current, data center, and industrial applications.
- Power Distribution & Switchgear: Low-voltage and medium-voltage breakers, 5kV-15kV switchgear, and custom power distribution.
- Generator Enclosures: UL142 and UL2085 fuel tanks, sound-attenuated enclosures, and integrated genset packaging for systems.
- Steel Fabrication: Heavy and structural steel fabrication, plate rolling, process piping, ASME tank fabrication, and precision metalwork.
Our portfolio lets customers source most key electrical and mechanical systems from a single trusted partner.
Services You Can Count On
Custom Engineered Design
Every project starts with collaboration. Whether you bring us a detailed drawing or a conceptual sketch, our engineers work alongside your team to tailor the system to your exact performance, safety, and environmental needs. We evaluate your existing documents, refine or design as needed, and optimize each solution for long-term reliability and easy integration.
Nationwide Field Service
With field service teams, we deliver responsive on-site support. From preventive maintenance and testing to installation, our team makes sure your electrical systems are running.
Repair and Rebuild
Our motor divisions (Magnetech, Southern Rewinding, Arrow Engine, and Calumet Armature) provide complete repair, rewinding, and remanufacturing services for motors, generators, and rotating equipment. Our goal is to restore and improve performance while minimizing downtime.
Fabrication and Assembly
Our facilities feature CNC machining, welding, and heavy-lift capabilities that allow us to fabricate and assemble systems quickly and accurately. Every build is managed with strict quality control to provide consistent results.
Our Quality Standards
Quality defines every step of our process. We maintain rigorous quality systems based on ISO principles and UL certification practices. Every product is tested and verified for safety and performance.
Our approach is simple: build it right, test it thoroughly, and stand by it completely.
Industries We Serve
- Data Centers
- Power Generation
- Steel & Metals Processing
- Transportation & Rail
- Manufacturing & Heavy Industry
We understand the challenges of demanding environments. Even in those demanding environments, we deliver solutions engineered for your company.
Our Promise
At IES Infrastructure, our work doesn’t end when the product ships. We stand behind every system, weld, and connection with a commitment to quality, reliability, and customer success.
One Partner. End-to-End Capability. Nationwide Reach.
Ready to Power What’s Next?
Let’s discuss how IES Infrastructure can help design, build, and maintain the systems that drive your operations forward.