RPM International
RPM · Specialty Chemicals
$98.74
2.9%Westlake
WLK · Specialty Chemicals
$64.56
0.7%The short version
- Westlake is the larger business, with $11.2B of revenue in fiscal 2025 against $7.9B for RPM International.
- RPM International grew revenue faster (6.7%, against −8.0%).
- RPM International turned more of its sales into free cash flow (8.6% FCF margin, against −4.7% FCF margin).
- RPM International earned a higher return on the capital invested in it (13.9%, against −10.0%).
| Latest fiscal year | RPM · FY26 | WLK · FY25 |
|---|---|---|
| Size | ||
| Market cap | $12.6B | $8.3B |
| Revenue | $7.9B | $11.2B |
| Free cash flow | $675M | −$530M |
| Net income | $661M | −$1.5B |
| Growth | ||
| Revenue growth | 6.7% | −8.0% |
| 5-year growth | 5.2% | 8.3% |
| Share count change | −0.5% | −0.7% |
| Profitability | ||
| Gross margin | 41.4% | 7.3% |
| Operating margin | — | −14.1% |
| Net margin | 8.4% | −13.5% |
| FCF margin | 8.6% | −4.7% |
| Return on capital | 13.9% | −10.0% |
| Return on equity | 21.4% | −15.6% |
| Balance sheet | ||
| Net debt | $2.2B | $2.9B |
| Net debt / EBITDA | 1.9x | — |
| Dividends and buybacks | $349M | $335M |
| Valuation & quality | ||
| P/E | 18.3x | — |
| Piotroski F-score | 6 | 3 |
FY17
RPM $5.0B
WLK $8.0B
FY18
RPM $5.3B
WLK $8.6B
FY19
RPM $5.6B
WLK $8.1B
FY20
RPM $5.5B
WLK $7.5B
FY21
RPM $6.1B
WLK $11.8B
FY22
RPM $6.7B
WLK $15.8B
FY23
RPM $7.3B
WLK $12.5B
FY24
RPM $7.3B
WLK $12.1B
FY25
RPM $7.4B
WLK $11.2B
FY26
RPM $7.9B
WLK —
RPM
WLK
FY17
RPM —
WLK 15.2%
FY18
RPM —
WLK 16.3%
FY19
RPM —
WLK 8.1%
FY20
RPM —
WLK 5.7%
FY21
RPM —
WLK 23.8%
FY22
RPM —
WLK 19.3%
FY23
RPM —
WLK 5.8%
FY24
RPM —
WLK 7.2%
FY25
RPM —
WLK −14.1%
FY26
RPM —
WLK —
RPM
WLK
FY17
RPM $260M
WLK $951M
FY18
RPM $276M
WLK $707M
FY19
RPM $156M
WLK $514M
FY20
RPM $402M
WLK $772M
FY21
RPM $609M
WLK $1.7B
FY22
RPM −$43.7M
WLK $2.3B
FY23
RPM $323M
WLK $1.3B
FY24
RPM $908M
WLK $306M
FY25
RPM $538M
WLK −$530M
FY26
RPM $675M
WLK —
RPM
WLK
FY17
RPM 8.7%
WLK 16.4%
FY18
RPM 12.8%
WLK 13.9%
FY19
RPM 9.7%
WLK 6.2%
FY20
RPM 10.5%
WLK 4.8%
FY21
RPM 15.3%
WLK 21.0%
FY22
RPM 13.5%
WLK 19.1%
FY23
RPM 12.5%
WLK 4.3%
FY24
RPM 15.1%
WLK 4.8%
FY25
RPM 16.1%
WLK −10.0%
FY26
RPM 13.9%
WLK —
RPM
WLK
Add another company
Compare up to four at once.
Each company's latest fiscal year; fiscal years end in different months. The best value in each row is highlighted where higher (or lower) is clearly better. Not investment advice.