IES Holdings, Inc. 10-K

iesc-20250930.htm

10-K

10-K

ex1012sixthamendtosublease.htm

EX-10.12

EX-10.12

q42025ex211-sep.htm

EX-21.1

EX-21.1

q42025ex231-sep.htm

EX-23.1

EX-23.1

q42025ex311-sep.htm

EX-31.1

EX-31.1

q42025ex312-sep.htm

EX-31.2

EX-31.2

q42025ex321-sep.htm

EX-32.1

EX-32.1

q42025ex322-sep.htm

EX-32.2

EX-32.2

iesc-20250930.xsd

EX-101.SCH

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

iesc-20250930_cal.xml

EX-101.CAL

XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT

iesc-20250930_def.xml

EX-101.DEF

XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT

iesc-20250930_lab.xml

EX-101.LAB

XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT

iesc-20250930_pre.xml

EX-101.PRE

XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT

iesc-20250930_g1.jpg

GRAPHIC

iesc-20250930_g2.jpg

GRAPHIC

R1.htm

XML

IDEA: XBRL DOCUMENT

R2.htm

XML

IDEA: XBRL DOCUMENT

R3.htm

XML

IDEA: XBRL DOCUMENT

R4.htm

XML

IDEA: XBRL DOCUMENT

R5.htm

XML

IDEA: XBRL DOCUMENT

R6.htm

XML

IDEA: XBRL DOCUMENT

R7.htm

XML

IDEA: XBRL DOCUMENT

R8.htm

XML

IDEA: XBRL DOCUMENT

R9.htm

XML

IDEA: XBRL DOCUMENT

R10.htm

XML

IDEA: XBRL DOCUMENT

R11.htm

XML

IDEA: XBRL DOCUMENT

R12.htm

XML

IDEA: XBRL DOCUMENT

R13.htm

XML

IDEA: XBRL DOCUMENT

R14.htm

XML

IDEA: XBRL DOCUMENT

R15.htm

XML

IDEA: XBRL DOCUMENT

R16.htm

XML

IDEA: XBRL DOCUMENT

R17.htm

XML

IDEA: XBRL DOCUMENT

R18.htm

XML

IDEA: XBRL DOCUMENT

R19.htm

XML

IDEA: XBRL DOCUMENT

R20.htm

XML

IDEA: XBRL DOCUMENT

R21.htm

XML

IDEA: XBRL DOCUMENT

R22.htm

XML

IDEA: XBRL DOCUMENT

R23.htm

XML

IDEA: XBRL DOCUMENT

R24.htm

XML

IDEA: XBRL DOCUMENT

R25.htm

XML

IDEA: XBRL DOCUMENT

R26.htm

XML

IDEA: XBRL DOCUMENT

R27.htm

XML

IDEA: XBRL DOCUMENT

R28.htm

XML

IDEA: XBRL DOCUMENT

R29.htm

XML

IDEA: XBRL DOCUMENT

R30.htm

XML

IDEA: XBRL DOCUMENT

R31.htm

XML

IDEA: XBRL DOCUMENT

R32.htm

XML

IDEA: XBRL DOCUMENT

R33.htm

XML

IDEA: XBRL DOCUMENT

R34.htm

XML

IDEA: XBRL DOCUMENT

R35.htm

XML

IDEA: XBRL DOCUMENT

R36.htm

XML

IDEA: XBRL DOCUMENT

R37.htm

XML

IDEA: XBRL DOCUMENT

R38.htm

XML

IDEA: XBRL DOCUMENT

R39.htm

XML

IDEA: XBRL DOCUMENT

R40.htm

XML

IDEA: XBRL DOCUMENT

R41.htm

XML

IDEA: XBRL DOCUMENT

R42.htm

XML

IDEA: XBRL DOCUMENT

R43.htm

XML

IDEA: XBRL DOCUMENT

R44.htm

XML

IDEA: XBRL DOCUMENT

R45.htm

XML

IDEA: XBRL DOCUMENT

R46.htm

XML

IDEA: XBRL DOCUMENT

R47.htm

XML

IDEA: XBRL DOCUMENT

R48.htm

XML

IDEA: XBRL DOCUMENT

R49.htm

XML

IDEA: XBRL DOCUMENT

R50.htm

XML

IDEA: XBRL DOCUMENT

R51.htm

XML

IDEA: XBRL DOCUMENT

R52.htm

XML

IDEA: XBRL DOCUMENT

R53.htm

XML

IDEA: XBRL DOCUMENT

R54.htm

XML

IDEA: XBRL DOCUMENT

R55.htm

XML

IDEA: XBRL DOCUMENT

R56.htm

XML

IDEA: XBRL DOCUMENT

R57.htm

XML

IDEA: XBRL DOCUMENT

R58.htm

XML

IDEA: XBRL DOCUMENT

R59.htm

XML

IDEA: XBRL DOCUMENT

R60.htm

XML

IDEA: XBRL DOCUMENT

R61.htm

XML

IDEA: XBRL DOCUMENT

R62.htm

XML

IDEA: XBRL DOCUMENT

R63.htm

XML

IDEA: XBRL DOCUMENT

R64.htm

XML

IDEA: XBRL DOCUMENT

Show.js

XML

IDEA: XBRL DOCUMENT

report.css

XML

IDEA: XBRL DOCUMENT

FilingSummary.xml

XML

IDEA: XBRL DOCUMENT

MetaLinks.json

JSON

IDEA: XBRL DOCUMENT

0001048268-25-000174-xbrl.zip

ZIP

IDEA: XBRL DOCUMENT

iesc-20250930_htm.xml

XML

IDEA: XBRL DOCUMENT