Stocks / AAON vs DCI

AAON vs DCI: Which Stock Is the Better Buy?

AAON, Inc. and Donaldson Company, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

AAON is the larger company ($9.8B vs $9.7B). On the fundamentals, AAON grows revenue faster (22.9% vs 7.4%); DCI earns a higher net margin (9.9% vs 7.5%); DCI has the stronger return on equity (25.2% vs 12.0%). On the filings, DCI carries fewer potential red flags (0 vs 3). Full numbers below — the stronger figure on each row is in green.

AI verdict — AAON vs DCI, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 AAON, Inc. (AAON)Donaldson Company, Inc. (DCI)
Market cap$9.8B$9.7B
Revenue (latest FY)$1.44B$3.69B
Net income (latest FY)$107.59M$367.00M
Revenue growth (5y CAGR)22.9%7.4%
Net margin7.5%9.9%
Return on equity12.0%25.2%
P/E ratio84.822.6
Dividend yield0.3%1.4%
Profitable years (of last 10)1010
Positive free cash flowYes

Verify the comparison

Use the filing period and source shown by each tool before treating two figures as comparable.

Compare with another company:

See the full AAON vs DCI breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open AAON's full financials →   Open DCI's full financials →

More comparisons

Frequently asked questions

Which is bigger, AAON or DCI?

AAON, Inc. is larger by market capitalization — $9.8B versus $9.7B.

Which grows faster, AAON or DCI?

Over the last five fiscal years, AAON, Inc. grew revenue faster — 22.9%/yr versus 7.4%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

Keep exploring

AAON fundamentals → · DCI fundamentals → · All 1,500+ companies → · Free screener →