What is the current annual free cash flow of IESC?

As of today, IESC annual free cash flow is $218.84M

What is 1-year change in IESC annual free cash flow?

IESC annual free cash flow is up +15.64% year-over-year

What is 3-year change in IESC annual free cash flow?

IESC annual free cash flow is up +1784.31% over the past 3 years

How far is IESC annual free cash flow from its all-time high?

IESC annual free cash flow is currently at its all-time high

How does IESC annual free cash flow rank versus sector peers?

IESC annual free cash flow is higher than 74.14% of companies in Industrials sector

When is IESC next annual earnings release?

As of today, the next annual earnings release for IESC has not been scheduled

What is the current quarterly free cash flow of IESC?

As of today, IESC quarterly free cash flow is $84.30M

What is IESC quarterly free cash flow most recent change?

IESC quarterly free cash flow was up +5.99% on September 30, 2025

What is 1-year change in IESC quarterly free cash flow?

IESC quarterly free cash flow is up +7.37% year-over-year

How far is IESC quarterly free cash flow from its all-time high?

IESC quarterly free cash flow is currently at its all-time high

How does IESC quarterly free cash flow rank versus sector peers?

IESC quarterly free cash flow is higher than 71.09% of companies in Industrials sector

When is IESC next earnings release?

The next earnings release for IESC is on February 6, 2026

What is the current TTM free cash flow of IESC?

As of today, IESC TTM free cash flow is $218.84M

What is IESC TTM free cash flow most recent change?

IESC TTM free cash flow was up +2.72% on September 30, 2025

What is 1-year change in IESC TTM free cash flow?

IESC TTM free cash flow is up +15.64% year-over-year

How far is IESC TTM free cash flow from its all-time high?

IESC TTM free cash flow is currently at its all-time high

How does IESC TTM free cash flow rank versus sector peers?

IESC TTM free cash flow is higher than 69.92% of companies in Industrials sector

When is IESC next earnings release?

The next earnings release for IESC is on February 6, 2026

IESC Free Cash Flow History & Chart Since 1997

Annual FCF

$218.84M$29.60M+15.64%

September 30, 2025

Summary

Current Value: As of today, IESC annual free cash flow is $218.84M, up +15.64% on September 30, 2025
Historical Performance: IESC annual free cash flow is up +1784.31% over the past 3 years, and up +203.97% over the past 5 years
All-Time High Comparison: IESC annual free cash flow is currently at its all-time high
3-Year Low Comparison: IESC annual free cash flow is +1784.31% above its 3-year low of -$12.99M reached on an earlier date
Sector Comparison: IESC annual free cash flow is higher than 74.14% of companies in Industrials sector

Free Cash Flow Chart

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Performance

IESC Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Free Cash Flow	Sep 30, 25	$218.84M	+15.6%	+1784.3%	+204.0%	+1653.2%
Quarterly Free Cash Flow	Sep 30, 25	$84.30M	+7.4%	+168.4%	+319.4%	+2898.0%
TTM Free Cash Flow	Sep 30, 25	$218.84M	+15.6%	+1784.3%	+204.0%	+1653.2%
Price	Jan 9, 26	$389.92	+73.8%	+898.3%	+699.7%	+10000.0%
Annual Cash From Operations	Sep 30, 25	$286.10M	+22.1%	+1659.3%	+272.8%	+2273.0%
Annual CAPEX	Sep 30, 25	$67.25M	+48.9%	+129.9%	+1317.3%	+7178.5%
Annual Dividends Paid	Sep 30, 25	$0.00	0.0%	0.0%	0.0%	0.0%
Annual Net Income	Sep 30, 25	$311.84M	+34.1%	+676.4%	+669.0%	+1100.9%
Annual Revenue	Sep 30, 25	$3.37B	+16.9%	+55.6%	+180.2%	+627.5%

Free Cash Flow Highs

IESC Annual Free Cash Flow Highs Comparison
Period	High	Date	Current
3Y	$218.84M	Sep 30, 25	at high
5Y	$218.84M	Sep 30, 25	at high
All	$218.84M	Sep 30, 25	at high

Free Cash Flow Lows

IESC Annual Free Cash Flow Lows Comparison
Period	Low	Date	Current
3Y	-$12.99M	N/A	+1784.3%
5Y	-$12.99M	Sep 30, 22	+1784.3%
All	-$19.90M	Sep 30, 99	+1199.9%

Free Cash Flow History

Year	Value	Change
2025	$218.84M	+15.6%
2024	$189.25M	+38.9%
2023	$136.24M	+1,148.5%
2022	-$12.99M	-142.6%
2021	$30.52M	-57.6%
2020	$72.00M	+122.0%
2019	$32.42M	+323.2%
2018	$7.66M	-56.9%
2017	$17.76M	-17.6%
2016	$21.55M	+146.9%
2015	$8.73M	-17.8%
2014	$10.62M	+603.0%
2013	$1.51M	+116.3%
2012	-$9.25M	+36.4%
2011	-$14.54M	-3.2%

Year	Value	Change
2010	-$14.09M	-314.6%
2009	$6.57M	+281.6%
2008	$1.72M	-96.9%
2007	$56.15M	+195.8%
2006	$18.98M	-32.8%
2005	$28.25M	>+9,900.0%
2004	-$182.00K	-100.6%
2003	$30.58M	-26.3%
2002	$41.47M	+341.6%
2001	-$17.17M	-215.7%
2000	$14.83M	+174.6%
1999	-$19.90M	-599.4%
1998	$3.98M	>+9,900.0%
1997	$12.00K	-

FAQ

What is the current annual free cash flow of IESC?
As of today, IESC annual free cash flow is $218.84M
What is 1-year change in IESC annual free cash flow?
IESC annual free cash flow is up +15.64% year-over-year
What is 3-year change in IESC annual free cash flow?
IESC annual free cash flow is up +1784.31% over the past 3 years
How far is IESC annual free cash flow from its all-time high?
IESC annual free cash flow is currently at its all-time high
How does IESC annual free cash flow rank versus sector peers?
IESC annual free cash flow is higher than 74.14% of companies in Industrials sector
When is IESC next annual earnings release?
As of today, the next annual earnings release for IESC has not been scheduled

Quarterly FCF

$84.30M$4.76M+5.99%

September 30, 2025

Summary

Current Value: As of today, IESC quarterly free cash flow is $84.30M, up +5.99% on September 30, 2025
Historical Performance: IESC quarterly free cash flow is up +7.37% year-over-year, and up +168.36% over the past 3 years
All-Time High Comparison: IESC quarterly free cash flow is currently at its all-time high
3-Year Low Comparison: IESC quarterly free cash flow is +624.76% above its 3-year low of $11.63M reached on an earlier date
Sector Comparison: IESC quarterly free cash flow is higher than 71.09% of companies in Industrials sector

Performance

IESC Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Free Cash Flow	Sep 30, 25	$84.30M	+6.0%	+7.4%	+168.4%	+319.4%
Annual Free Cash Flow	Sep 30, 25	$218.84M	–	+15.6%	+1784.3%	+204.0%
TTM Free Cash Flow	Sep 30, 25	$218.84M	+2.7%	+15.6%	+1784.3%	+204.0%
Price	Jan 9, 26	$389.92	+7.8%	+73.8%	+898.3%	+699.7%
Quarterly Cash From Operations	Sep 30, 25	$104.29M	+7.9%	+12.4%	+206.2%	+393.2%
Quarterly CAPEX	Sep 30, 25	$19.98M	+16.5%	+40.0%	+655.2%	+1812.3%
Quarterly Dividends Paid	Sep 30, 25	$0.00	0.0%	0.0%	0.0%	0.0%
Quarterly Net Income	Sep 30, 25	$102.28M	+29.0%	+56.2%	+465.7%	+658.7%
Quarterly Revenue	Sep 30, 25	$897.80M	+0.9%	+15.7%	+45.4%	+165.7%

Quarterly Free Cash Flow Highs

IESC Quarterly Free Cash Flow Highs Comparison
Period	High	Date	Current
1Y	$84.30M	Sep 30, 25	at high
3Y	$84.30M	Sep 30, 25	at high
5Y	$84.30M	Sep 30, 25	at high
All	$84.30M	Sep 30, 25	at high

Quarterly Free Cash Flow Lows

IESC Quarterly Free Cash Flow Lows Comparison
Period	Low	Date	Current
1Y	$15.21M	Mar 31, 25	+454.1%
3Y	$11.63M	N/A	+624.8%
5Y	-$36.80M	Dec 31, 21	+329.1%
All	-$36.80M	Dec 31, 21	+329.1%

Quarterly Free Cash Flow History

Month	Value	Change
Sep 2025	$84.30M	+6.0%
Jun 2025	$79.54M	+422.8%
Mar 2025	$15.21M	-61.8%
Dec 2024	$39.78M	-49.3%
Sep 2024	$78.52M	+20.1%
Jun 2024	$65.40M	+143.1%
Mar 2024	$26.90M	+45.9%
Dec 2023	$18.44M	-63.8%
Sep 2023	$50.90M	+59.3%
Jun 2023	$31.95M	-23.5%
Mar 2023	$41.75M	+258.9%
Dec 2022	$11.63M	-63.0%
Sep 2022	$31.42M	+258.1%
Jun 2022	-$19.87M	-262.0%
Mar 2022	$12.27M	+133.3%
Dec 2021	-$36.80M	-4,910.7%
Sep 2021	$765.00K	+104.9%
Jun 2021	-$15.60M	-159.3%
Mar 2021	$26.29M	+37.9%
Dec 2020	$19.07M	-5.1%
Sep 2020	$20.10M	-8.9%
Jun 2020	$22.07M	+9.3%
Mar 2020	$20.19M	+109.7%
Dec 2019	$9.63M	-44.3%
Sep 2019	$17.30M	+79.2%
Jun 2019	$9.65M	+8.1%
Mar 2019	$8.93M	+358.5%
Dec 2018	-$3.45M	-156.9%
Sep 2018	$6.07M	+183.8%
Jun 2018	-$7.24M	-243.3%
Mar 2018	$5.05M	+33.5%
Dec 2017	$3.78M	-66.7%
Sep 2017	$11.35M	+70.9%
Jun 2017	$6.64M	-7.7%
Mar 2017	$7.20M	+196.8%
Dec 2016	-$7.43M	-175.8%
Sep 2016	$9.80M	+278.6%
Jun 2016	-$5.49M	-143.3%
Mar 2016	$12.68M	+178.3%
Dec 2015	$4.56M	-7.0%
Sep 2015	$4.90M	+583.5%
Jun 2015	$717.00K	-80.5%
Mar 2015	$3.67M	+752.2%
Dec 2014	-$563.00K	-108.9%
Sep 2014	$6.34M	+146.7%
Jun 2014	$2.57M	-38.3%
Mar 2014	$4.17M	+269.1%
Dec 2013	-$2.47M	-35.3%
Sep 2013	-$1.82M	-179.2%
Jun 2013	$2.30M	+221.7%
Mar 2013	-$1.89M	-164.7%
Dec 2012	$2.92M	+237.0%
Sep 2012	-$2.13M	-228.3%
Jun 2012	$1.66M	+216.2%

Month	Value	Change
Mar 2012	$526.00K	+105.7%
Dec 2011	-$9.30M	-182.8%
Sep 2011	$11.23M	+182.8%
Jun 2011	-$13.57M	-514.3%
Mar 2011	$3.28M	+121.2%
Dec 2010	-$15.48M	-650.3%
Sep 2010	$2.81M	+137.7%
Jun 2010	-$7.46M	-572.9%
Mar 2010	-$1.11M	+86.7%
Dec 2009	-$8.34M	-294.7%
Sep 2009	$4.28M	-46.4%
Jun 2009	$7.99M	+157.8%
Mar 2009	$3.10M	+135.2%
Dec 2008	-$8.81M	-206.4%
Sep 2008	$8.28M	+9.1%
Jun 2008	$7.59M	+438.8%
Mar 2008	-$2.24M	+81.2%
Dec 2007	-$11.90M	-1,145.1%
Sep 2007	$1.14M	-92.7%
Jun 2007	$15.66M	-27.5%
Mar 2007	$21.61M	+21.8%
Dec 2006	$17.74M	-40.3%
Sep 2006	$29.70M	+332.2%
Jun 2006	-$12.79M	-227.3%
Mar 2006	-$3.91M	-165.4%
Dec 2005	$5.98M	-83.2%
Sep 2005	$35.50M	+1,918.5%
Jun 2005	-$1.95M	+71.1%
Mar 2005	-$6.74M	-564.5%
Dec 2004	$1.45M	+123.8%
Sep 2004	-$6.10M	-857.2%
Jun 2004	$806.00K	+188.2%
Mar 2004	-$914.00K	-117.9%
Dec 2003	$5.10M	+339.7%
Sep 2003	$1.16M	-92.8%
Jun 2003	$16.09M	+27.6%
Mar 2003	$12.61M	+1,641.0%
Dec 2002	$724.00K	-58.5%
Sep 2002	$1.74M	-95.1%
Jun 2002	$35.91M	+199.1%
Mar 2002	$12.00M	+246.7%
Dec 2001	-$8.18M	-5.2%
Sep 2001	-$7.78M	-499.2%
Jun 2001	$1.95M	-87.4%
Mar 2001	$15.48M	+157.7%
Dec 2000	-$26.82M	-467.3%
Sep 2000	-$4.73M	-127.0%
Jun 2000	$17.52M	+226.7%
Mar 2000	$5.36M	+261.6%
Dec 1999	-$3.32M	+80.4%
Sep 1999	-$16.92M	-44.1%
Jun 1999	-$11.74M	-219.1%
Mar 1999	$9.86M	+1,006.1%
Dec 1998	-$1.09M	-

FAQ

What is the current quarterly free cash flow of IESC?
As of today, IESC quarterly free cash flow is $84.30M
What is IESC quarterly free cash flow most recent change?
IESC quarterly free cash flow was up +5.99% on September 30, 2025
What is 1-year change in IESC quarterly free cash flow?
IESC quarterly free cash flow is up +7.37% year-over-year
How far is IESC quarterly free cash flow from its all-time high?
IESC quarterly free cash flow is currently at its all-time high
How does IESC quarterly free cash flow rank versus sector peers?
IESC quarterly free cash flow is higher than 71.09% of companies in Industrials sector
When is IESC next earnings release?
The next earnings release for IESC is on February 6, 2026

TTM FCF

$218.84M$5.79M+2.72%

September 30, 2025

Summary

Current Value: As of today, IESC TTM free cash flow is $218.84M, up +2.72% on September 30, 2025
Historical Performance: IESC TTM free cash flow is up +15.64% year-over-year, and up +1784.31% over the past 3 years
All-Time High Comparison: IESC TTM free cash flow is currently at its all-time high
3-Year Low Comparison: IESC TTM free cash flow is +517.49% above its 3-year low of $35.44M reached on an earlier date
Sector Comparison: IESC TTM free cash flow is higher than 69.92% of companies in Industrials sector

Performance

IESC Performance
Metric	Date	Value	3M	1Y	3Y	5Y
TTM Free Cash Flow	Sep 30, 25	$218.84M	+2.7%	+15.6%	+1784.3%	+204.0%
Annual Free Cash Flow	Sep 30, 25	$218.84M	–	+15.6%	+1784.3%	+204.0%
Quarterly Free Cash Flow	Sep 30, 25	$84.30M	+6.0%	+7.4%	+168.4%	+319.4%
Price	Jan 9, 26	$389.92	+7.8%	+73.8%	+898.3%	+699.7%
TTM Cash From Operations	Sep 30, 25	$286.10M	+4.2%	+22.1%	+1659.3%	+272.8%
TTM CAPEX	Sep 30, 25	$67.25M	+9.3%	+48.9%	+129.9%	+1317.3%
TTM Dividends Paid	Sep 30, 25	$0.00	0.0%	0.0%	0.0%	0.0%
TTM Net Income	Sep 30, 25	$311.84M	+13.4%	+34.1%	+676.5%	+671.2%
TTM Revenue	Sep 30, 25	$3.37B	+3.8%	+16.9%	+55.6%	+180.6%

TTM Free Cash Flow Highs

IESC TTM Free Cash Flow Highs Comparison
Period	High	Date	Current
1Y	$218.84M	Sep 30, 25	at high
3Y	$218.84M	Sep 30, 25	at high
5Y	$218.84M	Sep 30, 25	at high
All	$218.84M	Sep 30, 25	at high

TTM Free Cash Flow Lows

IESC TTM Free Cash Flow Lows Comparison
Period	Low	Date	Current
1Y	$198.91M	Mar 31, 25	+10.0%
3Y	$35.44M	N/A	+517.5%
5Y	-$43.64M	Jun 30, 22	+601.4%
All	-$43.64M	Jun 30, 22	+601.4%

TTM Free Cash Flow History

Month	Value	Change
Sep 2025	$218.84M	+2.7%
Jun 2025	$213.05M	+7.1%
Mar 2025	$198.91M	-5.5%
Dec 2024	$210.59M	+11.3%
Sep 2024	$189.25M	+17.1%
Jun 2024	$161.63M	+26.1%
Mar 2024	$128.19M	-10.4%
Dec 2023	$143.04M	+5.0%
Sep 2023	$136.24M	+16.7%
Jun 2023	$116.75M	+79.8%
Mar 2023	$64.92M	+83.2%
Dec 2022	$35.44M	+372.8%
Sep 2022	-$12.99M	+70.2%
Jun 2022	-$43.64M	-10.9%
Mar 2022	-$39.37M	-55.3%
Dec 2021	-$25.35M	-183.0%
Sep 2021	$30.52M	-38.8%
Jun 2021	$49.86M	-43.0%
Mar 2021	$87.53M	+7.5%
Dec 2020	$81.43M	+13.1%
Sep 2020	$72.00M	+4.0%
Jun 2020	$69.19M	+21.9%
Mar 2020	$56.77M	+24.8%
Dec 2019	$45.51M	+40.3%
Sep 2019	$32.42M	+53.0%
Jun 2019	$21.19M	+392.5%
Mar 2019	$4.30M	+910.1%
Dec 2018	$426.00K	-94.4%
Sep 2018	$7.66M	-40.8%
Jun 2018	$12.95M	-51.7%
Mar 2018	$26.83M	-7.4%
Dec 2017	$28.97M	+63.1%
Sep 2017	$17.76M	+9.6%
Jun 2017	$16.21M	+297.5%
Mar 2017	$4.08M	-57.4%
Dec 2016	$9.56M	-55.6%
Sep 2016	$21.55M	+29.4%
Jun 2016	$16.65M	-27.2%
Mar 2016	$22.86M	+65.1%
Dec 2015	$13.85M	+58.7%
Sep 2015	$8.73M	-14.2%
Jun 2015	$10.17M	-15.4%
Mar 2015	$12.02M	-4.0%
Dec 2014	$12.52M	+17.9%
Sep 2014	$10.62M	+333.1%
Jun 2014	$2.45M	+12.4%
Mar 2014	$2.18M	+156.2%
Dec 2013	-$3.88M	-356.9%
Sep 2013	$1.51M	+25.9%
Jun 2013	$1.20M	+113.7%
Mar 2013	$561.00K	-81.2%
Dec 2012	$2.98M	+132.2%
Sep 2012	-$9.25M	-324.6%
Jun 2012	$4.12M	+137.0%

Month	Value	Change
Mar 2012	-$11.12M	-32.9%
Dec 2011	-$8.37M	+42.4%
Sep 2011	-$14.54M	+36.7%
Jun 2011	-$22.96M	-36.3%
Mar 2011	-$16.84M	+20.7%
Dec 2010	-$21.23M	-50.7%
Sep 2010	-$14.09M	-11.7%
Jun 2010	-$12.62M	-546.1%
Mar 2010	$2.83M	-59.8%
Dec 2009	$7.04M	+7.2%
Sep 2009	$6.57M	-37.8%
Jun 2009	$10.56M	+4.0%
Mar 2009	$10.16M	+110.8%
Dec 2008	$4.82M	+179.9%
Sep 2008	$1.72M	+131.8%
Jun 2008	-$5.42M	-304.0%
Mar 2008	$2.66M	-90.0%
Dec 2007	$26.51M	-52.8%
Sep 2007	$56.15M	-33.7%
Jun 2007	$84.72M	+50.6%
Mar 2007	$56.27M	+83.0%
Dec 2006	$30.75M	+62.0%
Sep 2006	$18.98M	-23.4%
Jun 2006	$24.78M	-30.4%
Mar 2006	$35.62M	+8.7%
Dec 2005	$32.78M	+16.0%
Sep 2005	$28.25M	+311.7%
Jun 2005	-$13.35M	-26.0%
Mar 2005	-$10.59M	-122.5%
Dec 2004	-$4.76M	-328.7%
Sep 2004	-$1.11M	-118.0%
Jun 2004	$6.15M	-71.3%
Mar 2004	$21.43M	-38.7%
Dec 2003	$34.95M	+14.3%
Sep 2003	$30.58M	-1.9%
Jun 2003	$31.16M	-38.9%
Mar 2003	$50.98M	+1.2%
Dec 2002	$50.38M	+21.5%
Sep 2002	$41.47M	+29.8%
Jun 2002	$31.95M	+1,690.2%
Mar 2002	-$2.01M	-236.7%
Dec 2001	$1.47M	+108.6%
Sep 2001	-$17.17M	-21.6%
Jun 2001	-$14.11M	-1,071.4%
Mar 2001	$1.45M	+116.8%
Dec 2000	-$8.67M	-158.4%
Sep 2000	$14.83M	+462.7%
Jun 2000	$2.64M	+109.9%
Mar 2000	-$26.62M	-20.3%
Dec 1999	-$22.13M	-11.2%
Sep 1999	-$19.90M	-569.4%
Jun 1999	-$2.97M	-133.9%
Mar 1999	$8.77M	+906.1%
Dec 1998	-$1.09M	-

FAQ

What is the current TTM free cash flow of IESC?
As of today, IESC TTM free cash flow is $218.84M
What is IESC TTM free cash flow most recent change?
IESC TTM free cash flow was up +2.72% on September 30, 2025
What is 1-year change in IESC TTM free cash flow?
IESC TTM free cash flow is up +15.64% year-over-year
How far is IESC TTM free cash flow from its all-time high?
IESC TTM free cash flow is currently at its all-time high
How does IESC TTM free cash flow rank versus sector peers?
IESC TTM free cash flow is higher than 69.92% of companies in Industrials sector
When is IESC next earnings release?
The next earnings release for IESC is on February 6, 2026

Free Cash Flow Formula

FCF = −

Data Sources & References

IESC Official Website www.ies-co.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1048268/000104826825000174/0001048268-25-000174-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1048268/000104826825000174/0001048268-25-000174-index.htm
IESC Profile on Yahoo Finance finance.yahoo.com/quote/IESC
IESC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/iesc