Chlorine, Chlorine Derivatives & Other Products was Olin’s largest segment in fiscal 2025, bringing in $2.05B of $6.78B (30%).
| Segment | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Chlorine, Chlorine Derivatives & Other Products | $2.70B | $2.21B | $2.10B | $2.05B | ||||||
| Chlorine, Chlorine Derivatives & Other Co-Products | — | — | — | — | ||||||
| Caustic Soda | $2.39B | $1.79B | $1.53B | $1.63B | ||||||
| Epoxy Resins & Formulated Solutions | — | $804.10M | $714.10M | $807.10M | ||||||
| Epoxy Resins | $1.35B | — | — | — | ||||||
| Aromatics & Allylics | $1.34B | $525.10M | $512.20M | $564.70M | ||||||
| Commercial | $1.08B | $806.50M | $836.60M | $636.40M | ||||||
| Military & Law Enforcement(1) | — | $702.20M | $847.00M | $1.09B | ||||||
| Military & Law Enforcement | $521.60M | — | — | — | ||||||
| Total | $9.38B | $6.83B | $6.54B | $6.78B |
Olin brought in $6.78B from its six segments in fiscal 2025, the year ended December 31, 2025. That was up 3.7% from $6.54B in fiscal 2024. Chlorine, Chlorine Derivatives & Other Products was the largest at $2.05B (30.3%), ahead of Caustic Soda at $1.63B (24.1%) and Military & Law Enforcement(1) at $1.09B (16.0%). The other three segments brought in $2.01B combined.
Compared with fiscal 2024, Military & Law Enforcement(1) grew fastest, up 28.5% to $1.09B, while Commercial fell the most, down 23.9% to $636.40M.
Olin began breaking out Epoxy Resins & Formulated Solutions in fiscal 2023 and Military & Law Enforcement(1) in fiscal 2023. Olin stopped reporting Epoxy Resins ($1.35B in fiscal 2022) and Military & Law Enforcement ($521.60M in fiscal 2022) as separate segments.
U.S was Olin’s largest region in fiscal 2025, bringing in $2.53B of $3.92B (65%).
| Geography | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| U.S | $3.40B | $2.70B | $2.56B | $2.53B | |||||||||||||
| United States | — | — | — | — | |||||||||||||
| Sales | — | — | — | — | |||||||||||||
| Other Foreign | $1.35B | $1.09B | $884.70M | $995.30M | |||||||||||||
| Europe | $1.18B | $338.50M | $312.50M | $391.50M | |||||||||||||
| Foreign | — | — | — | — | |||||||||||||
| Total | $5.93B | $4.13B | $3.76B | $3.92B |
Olin brought in $3.92B from its three regions in fiscal 2025, the year ended December 31, 2025. That is less than the $6.78B it reports by segment, so these regions do not cover all of its revenue. U.S was the largest at $2.53B (64.6%), ahead of Other Foreign at $995.30M (25.4%) and Europe at $391.50M (10.0%).
Compared with fiscal 2024, Europe grew fastest, up 25.3% to $391.50M, while U.S fell the most, down 1.3% to $2.53B.
Chlor Alkali Products & Vinyls was Olin’s largest segment in fiscal 2015, bringing in $1.71B of $2.85B (60%).
| Statement Business Segments | FY 2009 | FY 2010 | FY 2011 | FY 2013 | FY 2014 | FY 2015 |
|---|---|---|---|---|---|---|
| Chlor Alkali Products & Vinyls | $1.74B | $1.50B | $1.71B | |||
| Chlor Alkali Products | — | — | — | |||
| Sales | — | — | — | |||
| Winchester | $777.60M | $738.40M | $711.40M | |||
| Epoxy | — | — | $429.60M | |||
| Total | $2.52B | $2.24B | $2.85B |
Olin brought in $2.85B from its three segments in fiscal 2015, the year ended December 31, 2015. Olin regrouped these segments after fiscal 2014, so the total does not compare directly with that year's $2.24B. Chlor Alkali Products & Vinyls was the largest at $1.71B (60.0%), ahead of Winchester at $711.40M (24.9%) and Epoxy at $429.60M (15.1%).
Compared with fiscal 2014, Chlor Alkali Products & Vinyls grew 14.0% to $1.71B, while Winchester fell 3.7% to $711.40M.
Olin began breaking out Epoxy in fiscal 2015, when it brought in $429.60M.
Olin (OLN) reports its revenue by segment, by geography and by statement business segments. In fiscal 2025, Chlorine, Chlorine Derivatives & Other Products was its largest segment, bringing in $2.05B (30.3% of the total), followed by Caustic Soda at $1.63B (24.1%).
Chlorine, Chlorine Derivatives & Other Products was Olin's largest segment in fiscal 2025, bringing in $2.05B, or 30.3% of the $6.78B total across its six segments.
U.S was Olin's largest region in fiscal 2025, bringing in $2.53B, or 64.6% of the $3.92B total across its three regions.
Among Olin's segments that make up at least 2% of revenue, Military & Law Enforcement(1) grew fastest in fiscal 2025, up 28.5% from $847.00M to $1.09B.
Every figure comes from Olin's annual financial filings, as reported. Each line keeps the name Olin gives it, and years follow its fiscal calendar.
Olin's revenue by segment goes back to fiscal 2016, with figures through fiscal 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.