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IesIESC

IES Holdings, Inc. operates across the United States, specializing in the engineering and implementation of integrated electrical and technology systems, alongside providing essential infrastructure products and related services. Its Commercial & Industrial division offers electrical and mechanical design, construction, and ongoing maintenance support for a diverse range of facilities. These include corporate offices, manufacturing plants, data processing centers, chemical and refining operations, renewable energy sites such as wind and solar farms, municipal infrastructure projects, and healthcare institutions. The Communications segment focuses on designing, installing, and servicing network infrastructure. This work primarily supports data centers catering to co-location and managed hosting clients, in addition to corporate, educational, financial, hospitality, and healthcare buildings, e-commerce fulfillment centers, and advanced manufacturing facilities. Furthermore, this segment provides design and installation expertise for audiovisual, telecommunications, fire suppression, wireless access, and security alarm systems, while also engaging in the development, deployment, and upkeep of data network systems. Within its Infrastructure Solutions unit, the company undertakes the repair and maintenance of both alternating and direct current electric motors and generators, as well as power generation and distribution equipment. It also manufactures bespoke metal-enclosed bus duct solutions for power distribution, custom generator enclosures for commercial and industrial uses, and produces, refurbishes, and repairs industrial lifting magnets. Additionally, this segment services and repairs primary and auxiliary generators, main alternators, and traction motors used in railway systems. The Residential segment is responsible for electrical installations in both single-family homes and multi-unit apartment complexes. It also provides cable television installations for residential and light commercial customers, and installs solar power systems for both new construction and existing residences. Established in 1997 and headquartered in Houston, Texas, the company rebranded from Integrated Electrical Services, Inc. to IES Holdings, Inc. in May 2016.

Last
$537.58
1D
11.2%
1W
0.9%
1M
21.8%
Next earnings: November 20, 2026

Research memo

IESC closed at $537.58, up 11.21% on the day and 21.75% over the past month, and the tape still treats it like a momentum name tied to electrical infrastructure demand. The setup has not changed much: the stock is extended, but the business is still riding data-center power, grid hardening, and plant electrification work that can keep backlog converting if execution holds.

Hard data

  • Market cap: $12.34 billion
  • Enterprise value: $12.60 billion
  • Revenue: $3.37 billion
  • Gross margin: 27.4%
  • Next revenue growth estimate: 18.8%
  • EV/revenue: 3.7x

Thesis

IESC’s real driver is backlog conversion in electrical infrastructure work for data centers, industrial facilities, and utility builds. The stock already prices a sustained demand run and clean execution at 3.7x enterprise value to revenue, so the remaining upside depends less on order intake and more on how long IESC can keep turning backlog into revenue without gross margin slippage. The market may still be underestimating duration: data-center power build-outs, grid upgrades, and onshoring-related electrification are multi-quarter to multi-year demand streams, not a single-cycle burst, and that gives earnings more runway if project execution stays tight.

The strongest pushback is that this is still a project business in cyclical end markets, so timing drift, labor pressure, or a pause in customer starts can make the growth look better than the underlying trend. That matters because the multiple already assumes a lot of clean delivery. But if revenue keeps compounding near current levels and margin holds in the high-20s, the stock can stay expensive for longer than bears want.

Bear case

The serious bear case is that IESC is still exposed to lumpiness in project timing and execution. A few delayed starts, weaker labor availability, or softer conversion can make backlog look sturdier than it really is. At 3.7x revenue, the market is paying for durability, so any evidence that growth is merely pulling forward rather than broadening would pressure the rerating.

Invalidation

The setup breaks if revenue growth falls back toward low double digits for two straight quarters, gross margin rolls meaningfully below 27.4%, or backlog conversion slows enough to show up in weaker guidance or delayed project schedules.

Trade framing

With the stock extended and expectations already elevated, the better entry is usually on pullbacks rather than chase. If volatility stays muted, call spreads can express upside without paying full freight for momentum, while put spreads make more sense if you want to define risk against a sharp reset from an execution miss.