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Side-by-side financial comparison of AAON, INC. (AAON) and ASSOCIATED BANC-CORP (ASB). Click either name above to swap in a different company.

AAON, INC. is the larger business by last-quarter revenue ($424.2M vs $383.0M, roughly 1.1× ASSOCIATED BANC-CORP). ASSOCIATED BANC-CORP runs the higher net margin — 31.2% vs 7.6%, a 23.7% gap on every dollar of revenue. Over the past eight quarters, AAON, INC.'s revenue compounded faster (27.2% CAGR vs 9.1%).

AAON, Inc. manufactures heating, ventilation, and air conditioning equipment for commercial and industrial indoor environments. AAON is headquartered in Tulsa, Oklahoma and has manufacturing facilities in Longview, TX, Parkville, MO, and Redmond, OR. AAON employs approximately 4,000 people worldwide and has annual sales in excess of $880 million.

Associated Banc-Corp is a U.S. regional bank holding company providing retail banking, commercial banking, commercial real estate lending, private banking and specialized financial services. Headquartered in Green Bay, Wisconsin, Associated is a Midwest bank with from more than 220 banking locations serving more than 100 communities throughout Wisconsin, Illinois and Minnesota. The company also operates loan production offices in Indiana, Michigan, Missouri, New York, Ohio and Texas.

AAON vs ASB — Head-to-Head

Bigger by revenue
AAON
AAON
1.1× larger
AAON
$424.2M
$383.0M
ASB
Higher net margin
ASB
ASB
23.7% more per $
ASB
31.2%
7.6%
AAON
Faster 2-yr revenue CAGR
AAON
AAON
Annualised
AAON
27.2%
9.1%
ASB

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
AAON
AAON
ASB
ASB
Revenue
$424.2M
$383.0M
Net Profit
$32.0M
$119.6M
Gross Margin
25.9%
Operating Margin
10.4%
Net Margin
7.6%
31.2%
Revenue YoY
42.5%
Net Profit YoY
29.7%
566.6%
EPS (diluted)
$0.38
$0.70

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AAON
AAON
ASB
ASB
Q1 26
$383.0M
Q4 25
$424.2M
$310.0M
Q3 25
$384.2M
$305.2M
Q2 25
$311.6M
$300.0M
Q1 25
$322.1M
$285.9M
Q4 24
$297.7M
$270.3M
Q3 24
$327.3M
$329.7M
Q2 24
$313.6M
$321.8M
Net Profit
AAON
AAON
ASB
ASB
Q1 26
$119.6M
Q4 25
$32.0M
$137.1M
Q3 25
$30.8M
$124.7M
Q2 25
$15.5M
$111.2M
Q1 25
$29.3M
$101.7M
Q4 24
$24.7M
$-161.6M
Q3 24
$52.6M
$88.0M
Q2 24
$52.2M
$115.6M
Gross Margin
AAON
AAON
ASB
ASB
Q1 26
Q4 25
25.9%
Q3 25
27.8%
Q2 25
26.6%
Q1 25
26.8%
Q4 24
26.1%
Q3 24
34.9%
Q2 24
36.1%
Operating Margin
AAON
AAON
ASB
ASB
Q1 26
Q4 25
10.4%
52.6%
Q3 25
11.3%
50.5%
Q2 25
7.6%
46.5%
Q1 25
10.9%
42.3%
Q4 24
9.9%
-65.8%
Q3 24
20.0%
32.8%
Q2 24
21.4%
32.0%
Net Margin
AAON
AAON
ASB
ASB
Q1 26
31.2%
Q4 25
7.6%
44.2%
Q3 25
8.0%
40.9%
Q2 25
5.0%
37.1%
Q1 25
9.1%
35.6%
Q4 24
8.3%
-59.8%
Q3 24
16.1%
26.7%
Q2 24
16.7%
35.9%
EPS (diluted)
AAON
AAON
ASB
ASB
Q1 26
$0.70
Q4 25
$0.38
$0.80
Q3 25
$0.37
$0.73
Q2 25
$0.19
$0.65
Q1 25
$0.35
$0.59
Q4 24
$0.31
$-1.10
Q3 24
$0.63
$0.56
Q2 24
$0.62
$0.74

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AAON
AAON
ASB
ASB
Cash + ST InvestmentsLiquidity on hand
$13.0K
Total DebtLower is stronger
Stockholders' EquityBook value
$895.0M
$5.0B
Total Assets
$1.7B
$45.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AAON
AAON
ASB
ASB
Q1 26
Q4 25
$13.0K
Q3 25
$1.0M
Q2 25
$14.0K
Q1 25
$994.0K
Q4 24
$14.0K
Q3 24
$15.0K
Q2 24
$13.0K
Total Debt
AAON
AAON
ASB
ASB
Q1 26
Q4 25
$1.0B
Q3 25
$594.1M
Q2 25
$593.5M
Q1 25
$591.4M
Q4 24
$1.4B
Q3 24
$844.3M
Q2 24
$536.1M
Stockholders' Equity
AAON
AAON
ASB
ASB
Q1 26
$5.0B
Q4 25
$895.0M
$5.0B
Q3 25
$863.1M
$4.9B
Q2 25
$832.7M
$4.8B
Q1 25
$815.9M
$4.7B
Q4 24
$824.6M
$4.6B
Q3 24
$796.9M
$4.4B
Q2 24
$740.5M
$4.2B
Total Assets
AAON
AAON
ASB
ASB
Q1 26
$45.6B
Q4 25
$1.7B
$45.2B
Q3 25
$1.5B
$44.5B
Q2 25
$1.4B
$44.0B
Q1 25
$1.3B
$43.3B
Q4 24
$1.2B
$43.0B
Q3 24
$1.0B
$42.2B
Q2 24
$1.0B
$41.6B
Debt / Equity
AAON
AAON
ASB
ASB
Q1 26
Q4 25
0.20×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.13×
Q4 24
0.31×
Q3 24
0.19×
Q2 24
0.13×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AAON
AAON
ASB
ASB
Operating Cash FlowLast quarter
$19.3M
Free Cash FlowOCF − Capex
FCF MarginFCF / Revenue
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.60×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AAON
AAON
ASB
ASB
Q1 26
Q4 25
$19.3M
$218.1M
Q3 25
$12.3M
$158.0M
Q2 25
$-21.8M
$141.5M
Q1 25
$-9.2M
$98.2M
Q4 24
$845.0K
$207.1M
Q3 24
$63.8M
$105.1M
Q2 24
$35.5M
$113.5M
Cash Conversion
AAON
AAON
ASB
ASB
Q1 26
Q4 25
0.60×
1.59×
Q3 25
0.40×
1.27×
Q2 25
-1.41×
1.27×
Q1 25
-0.31×
0.97×
Q4 24
0.03×
Q3 24
1.21×
1.19×
Q2 24
0.68×
0.98×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AAON
AAON

AAON Oklahoma$215.5M51%
Bas X$106.1M25%
AAON Coil Products$102.6M24%

ASB
ASB

Net Interest Income$307.2M80%
Noninterest Income$75.9M20%

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