IES Holdings, Inc. is a diversified provider of electrical, mechanical and communications services, operating through a network of subsidiaries across the United States and Canada. As a holding company, IES executes complex design, installation, maintenance and repair projects for commercial, industrial and infrastructure clients. Its offerings span from power distribution and lighting system installations to data center build-outs and telecommunications network construction, positioning IES as a one-stop solutions provider in the critical facility services market.
The company’s operations are organized into two primary segments: Electrical Solutions and Industrial Solutions. The Electrical Solutions segment delivers comprehensive electrical contracting services, including system design, switchgear installation, renewable energy integration and ongoing facility maintenance. The Industrial Solutions segment focuses on turnkey industrial projects, serving sectors such as oil and gas, chemical processing, water and wastewater treatment, and transportation infrastructure. This segment handles everything from process control wiring to large-scale equipment installation and automation, leveraging specialized expertise to meet rigorous industry standards.
Founded in the early 20th century and headquartered in St. Louis, Missouri, IES has grown through a combination of organic expansion and strategic acquisitions. Over its history, the company has assembled a portfolio of more than 60 operating subsidiaries, each with deep local market knowledge and technical proficiency. These affiliates enable IES to deliver tailored solutions to regional customers while benefiting from the financial strength and operational support of a national platform. Projects range from regional hospital upgrades in the Midwest to utility substation work in Western Canada, demonstrating the company’s geographic reach and versatility.
Under the leadership of President and Chief Executive Officer Gregory K. Carter, IES has maintained a disciplined approach to growth and operational excellence. The executive team brings extensive industry experience in electrical and mechanical contracting, project management and safety compliance. By focusing on long-term client relationships and investing in technology, workforce development and quality control, IES continues to reinforce its reputation as a reliable partner for critical infrastructure and industrial construction needs.
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