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Side-by-side financial comparison of AAON, INC. (AAON) and MERCER INTERNATIONAL INC. (MERC). Click either name above to swap in a different company.

MERCER INTERNATIONAL INC. is the larger business by last-quarter revenue ($449.5M vs $424.2M, roughly 1.1× AAON, INC.). AAON, INC. runs the higher net margin — 7.6% vs -68.7%, a 76.2% gap on every dollar of revenue. On growth, AAON, INC. posted the faster year-over-year revenue change (42.5% vs -8.0%). Over the past eight quarters, AAON, INC.'s revenue compounded faster (27.2% CAGR vs -9.9%).

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.

Mercer is an American consulting firm founded in 1945. It is one of the four operating subsidiaries of global professional services firm Marsh McLennan. Mercer is headquartered in New York City with offices in 43 countries and operations in 130 countries. The company primarily provides human resources and financial services consulting services to its clients.

AAON vs MERC — Head-to-Head

Bigger by revenue
MERC
MERC
1.1× larger
MERC
$449.5M
$424.2M
AAON
Growing faster (revenue YoY)
AAON
AAON
+50.5% gap
AAON
42.5%
-8.0%
MERC
Higher net margin
AAON
AAON
76.2% more per $
AAON
7.6%
-68.7%
MERC
Faster 2-yr revenue CAGR
AAON
AAON
Annualised
AAON
27.2%
-9.9%
MERC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AAON
AAON
MERC
MERC
Revenue
$424.2M
$449.5M
Net Profit
$32.0M
$-308.7M
Gross Margin
25.9%
Operating Margin
10.4%
-62.0%
Net Margin
7.6%
-68.7%
Revenue YoY
42.5%
-8.0%
Net Profit YoY
29.7%
-1947.7%
EPS (diluted)
$0.38
$-4.61

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
MERC
MERC
Q4 25
$424.2M
$449.5M
Q3 25
$384.2M
$458.1M
Q2 25
$311.6M
$453.5M
Q1 25
$322.1M
$507.0M
Q4 24
$297.7M
$488.4M
Q3 24
$327.3M
$502.1M
Q2 24
$313.6M
$499.4M
Q1 24
$262.1M
$553.4M
Net Profit
AAON
AAON
MERC
MERC
Q4 25
$32.0M
$-308.7M
Q3 25
$30.8M
$-80.8M
Q2 25
$15.5M
$-86.1M
Q1 25
$29.3M
$-22.3M
Q4 24
$24.7M
$16.7M
Q3 24
$52.6M
$-17.6M
Q2 24
$52.2M
$-67.6M
Q1 24
$39.0M
$-16.7M
Gross Margin
AAON
AAON
MERC
MERC
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%
Q1 24
35.2%
Operating Margin
AAON
AAON
MERC
MERC
Q4 25
10.4%
-62.0%
Q3 25
11.3%
-14.8%
Q2 25
7.6%
-12.9%
Q1 25
10.9%
1.3%
Q4 24
9.9%
10.3%
Q3 24
20.0%
1.8%
Q2 24
21.4%
-8.8%
Q1 24
17.9%
-0.1%
Net Margin
AAON
AAON
MERC
MERC
Q4 25
7.6%
-68.7%
Q3 25
8.0%
-17.6%
Q2 25
5.0%
-19.0%
Q1 25
9.1%
-4.4%
Q4 24
8.3%
3.4%
Q3 24
16.1%
-3.5%
Q2 24
16.7%
-13.5%
Q1 24
14.9%
-3.0%
EPS (diluted)
AAON
AAON
MERC
MERC
Q4 25
$0.38
$-4.61
Q3 25
$0.37
$-1.21
Q2 25
$0.19
$-1.29
Q1 25
$0.35
$-0.33
Q4 24
$0.31
$0.25
Q3 24
$0.63
$-0.26
Q2 24
$0.62
$-1.01
Q1 24
$0.46
$-0.25

Balance Sheet & Financial Strength

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

Metric
AAON
AAON
MERC
MERC
Cash + ST InvestmentsLiquidity on hand
$13.0K
$186.8M
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$895.0M
$68.1M
Total Assets
$1.7B
$2.0B
Debt / EquityLower = less leverage
23.58×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AAON
AAON
MERC
MERC
Q4 25
$13.0K
$186.8M
Q3 25
$1.0M
$98.1M
Q2 25
$14.0K
$146.5M
Q1 25
$994.0K
$181.5M
Q4 24
$14.0K
$184.9M
Q3 24
$15.0K
$239.0M
Q2 24
$13.0K
$263.2M
Q1 24
$8.4M
$274.3M
Total Debt
AAON
AAON
MERC
MERC
Q4 25
$1.6B
Q3 25
$1.5B
Q2 25
$1.5B
Q1 25
$1.5B
Q4 24
$1.5B
Q3 24
$1.6B
Q2 24
$1.6B
Q1 24
$1.6B
Stockholders' Equity
AAON
AAON
MERC
MERC
Q4 25
$895.0M
$68.1M
Q3 25
$863.1M
$359.5M
Q2 25
$832.7M
$446.5M
Q1 25
$815.9M
$437.4M
Q4 24
$824.6M
$429.8M
Q3 24
$796.9M
$516.8M
Q2 24
$740.5M
$487.7M
Q1 24
$784.8M
$573.6M
Total Assets
AAON
AAON
MERC
MERC
Q4 25
$1.7B
$2.0B
Q3 25
$1.5B
$2.3B
Q2 25
$1.4B
$2.4B
Q1 25
$1.3B
$2.3B
Q4 24
$1.2B
$2.3B
Q3 24
$1.0B
$2.5B
Q2 24
$1.0B
$2.5B
Q1 24
$952.9M
$2.6B
Debt / Equity
AAON
AAON
MERC
MERC
Q4 25
23.58×
Q3 25
4.30×
Q2 25
3.42×
Q1 25
3.44×
Q4 24
3.43×
Q3 24
3.09×
Q2 24
3.22×
Q1 24
2.82×

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
MERC
MERC
Operating Cash FlowLast quarter
$19.3M
$46.2M
Free Cash FlowOCF − Capex
$32.0M
FCF MarginFCF / Revenue
7.1%
Capex IntensityCapex / Revenue
3.1%
Cash ConversionOCF / Net Profit
0.60×
TTM Free Cash FlowTrailing 4 quarters
$-80.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AAON
AAON
MERC
MERC
Q4 25
$19.3M
$46.2M
Q3 25
$12.3M
$-30.1M
Q2 25
$-21.8M
$-4.5M
Q1 25
$-9.2M
$-3.0M
Q4 24
$845.0K
$71.2M
Q3 24
$63.8M
$-13.9M
Q2 24
$35.5M
$62.2M
Q1 24
$92.4M
$-29.2M
Free Cash Flow
AAON
AAON
MERC
MERC
Q4 25
$32.0M
Q3 25
$-60.1M
Q2 25
$-28.9M
Q1 25
$-23.1M
Q4 24
$50.4M
Q3 24
$-41.2M
Q2 24
$44.3M
Q1 24
$-47.7M
FCF Margin
AAON
AAON
MERC
MERC
Q4 25
7.1%
Q3 25
-13.1%
Q2 25
-6.4%
Q1 25
-4.6%
Q4 24
10.3%
Q3 24
-8.2%
Q2 24
8.9%
Q1 24
-8.6%
Capex Intensity
AAON
AAON
MERC
MERC
Q4 25
3.1%
Q3 25
6.6%
Q2 25
5.4%
Q1 25
4.0%
Q4 24
4.2%
Q3 24
5.4%
Q2 24
3.6%
Q1 24
3.3%
Cash Conversion
AAON
AAON
MERC
MERC
Q4 25
0.60×
Q3 25
0.40×
Q2 25
-1.41×
Q1 25
-0.31×
Q4 24
0.03×
4.26×
Q3 24
1.21×
Q2 24
0.68×
Q1 24
2.37×

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%

MERC
MERC

Other$215.3M48%
Solid Wood$110.2M25%
Lumber$54.9M12%
Pallets$23.7M5%
Energyandchemicals$18.7M4%
Manufactured Products$14.1M3%
Biofuels$10.0M2%
Wood Residuals$2.6M1%

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