Business

12 Months Ended

Sep. 30, 2020

Accounting Policies [Abstract]

Business Description and Basis of Presentation [Text Block]

1. BUSINESS

Description of the Business

IES Holdings, Inc. is a holding company that owns and manages operating subsidiaries that design and install integrated electrical and technology systems and provide infrastructure products and services across a variety of end-markets, including data centers, residential housing and commercial and industrial facilities. Our operations are currently organized into four principal business segments, based upon the nature of our current services:

•Communications – Nationwide provider of technology infrastructure services, including the design, build, and maintenance of the communications infrastructure within data centers for co-location and managed hosting customers for both large corporations and independent businesses.

•Residential – Regional provider of electrical installation services for single-family housing and multi-family apartment complexes.

•Infrastructure Solutions – Provider of electro-mechanical solutions for industrial operations, including apparatus repair and custom-engineered products such as generator enclosures to be used in data centers and other industrial applications.

•Commercial & Industrial – Provider of electrical and mechanical design, construction, and maintenance services to the commercial and industrial markets in various regional markets and nationwide in certain areas of expertise, such as the power infrastructure market and data centers.

The words “IES”, the “Company”, “we”, “our”, and “us” refer to IES Holdings, Inc. and, except as otherwise specified herein, to our consolidated subsidiaries.