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

AAON, INC. is the larger business by last-quarter revenue ($424.2M vs $225.0M, roughly 1.9× GIBRALTAR INDUSTRIES, INC.). On growth, AAON, INC. posted the faster year-over-year revenue change (42.5% vs 24.9%). Over the past eight quarters, AAON, INC.'s revenue compounded faster (27.2% CAGR vs -12.3%).

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.

Gibraltar Industries, Inc. is a leading manufacturer and distributor of specialized building, infrastructure, and renewable energy products. Its offerings include ventilation systems, roofing accessories, solar mounting solutions, and landscape and garden products, serving residential, commercial construction, and clean energy markets primarily across North America, with a focus on innovative, sustainable solutions for its customers.

AAON vs ROCK — Head-to-Head

Bigger by revenue
AAON
AAON
1.9× larger
AAON
$424.2M
$225.0M
ROCK
Growing faster (revenue YoY)
AAON
AAON
+17.5% gap
AAON
42.5%
24.9%
ROCK
Faster 2-yr revenue CAGR
AAON
AAON
Annualised
AAON
27.2%
-12.3%
ROCK

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AAON
AAON
ROCK
ROCK
Revenue
$424.2M
$225.0M
Net Profit
$32.0M
Gross Margin
25.9%
25.3%
Operating Margin
10.4%
7.9%
Net Margin
7.6%
Revenue YoY
42.5%
24.9%
Net Profit YoY
29.7%
EPS (diluted)
$0.38

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
ROCK
ROCK
Q4 25
$424.2M
$225.0M
Q3 25
$384.2M
$310.9M
Q2 25
$311.6M
$309.5M
Q1 25
$322.1M
$290.0M
Q4 24
$297.7M
$180.1M
Q3 24
$327.3M
$277.1M
Q2 24
$313.6M
$273.6M
Q1 24
$262.1M
$292.5M
Net Profit
AAON
AAON
ROCK
ROCK
Q4 25
$32.0M
Q3 25
$30.8M
$-89.1M
Q2 25
$15.5M
$26.0M
Q1 25
$29.3M
$21.1M
Q4 24
$24.7M
Q3 24
$52.6M
$34.0M
Q2 24
$52.2M
$32.2M
Q1 24
$39.0M
$24.9M
Gross Margin
AAON
AAON
ROCK
ROCK
Q4 25
25.9%
25.3%
Q3 25
27.8%
26.6%
Q2 25
26.6%
28.4%
Q1 25
26.8%
26.8%
Q4 24
26.1%
29.0%
Q3 24
34.9%
29.4%
Q2 24
36.1%
30.5%
Q1 24
35.2%
28.9%
Operating Margin
AAON
AAON
ROCK
ROCK
Q4 25
10.4%
7.9%
Q3 25
11.3%
12.8%
Q2 25
7.6%
12.8%
Q1 25
10.9%
8.8%
Q4 24
9.9%
13.3%
Q3 24
20.0%
15.6%
Q2 24
21.4%
14.9%
Q1 24
17.9%
10.8%
Net Margin
AAON
AAON
ROCK
ROCK
Q4 25
7.6%
Q3 25
8.0%
-28.6%
Q2 25
5.0%
8.4%
Q1 25
9.1%
7.3%
Q4 24
8.3%
Q3 24
16.1%
12.3%
Q2 24
16.7%
11.8%
Q1 24
14.9%
8.5%
EPS (diluted)
AAON
AAON
ROCK
ROCK
Q4 25
$0.38
Q3 25
$0.37
$-2.98
Q2 25
$0.19
$0.87
Q1 25
$0.35
Q4 24
$0.31
Q3 24
$0.63
$1.11
Q2 24
$0.62
$1.05
Q1 24
$0.46

Balance Sheet & Financial Strength

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

Metric
AAON
AAON
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$13.0K
$115.7M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$895.0M
$950.4M
Total Assets
$1.7B
$1.4B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AAON
AAON
ROCK
ROCK
Q4 25
$13.0K
$115.7M
Q3 25
$1.0M
$89.4M
Q2 25
$14.0K
$43.3M
Q1 25
$994.0K
$25.1M
Q4 24
$14.0K
$269.5M
Q3 24
$15.0K
$228.9M
Q2 24
$13.0K
$179.1M
Q1 24
$8.4M
$146.7M
Total Debt
AAON
AAON
ROCK
ROCK
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
AAON
AAON
ROCK
ROCK
Q4 25
$895.0M
$950.4M
Q3 25
$863.1M
$951.8M
Q2 25
$832.7M
$1.0B
Q1 25
$815.9M
$1.0B
Q4 24
$824.6M
$1.0B
Q3 24
$796.9M
$1.0B
Q2 24
$740.5M
$975.7M
Q1 24
$784.8M
$940.2M
Total Assets
AAON
AAON
ROCK
ROCK
Q4 25
$1.7B
$1.4B
Q3 25
$1.5B
$1.4B
Q2 25
$1.4B
$1.5B
Q1 25
$1.3B
$1.4B
Q4 24
$1.2B
$1.4B
Q3 24
$1.0B
$1.4B
Q2 24
$1.0B
$1.4B
Q1 24
$952.9M
$1.3B
Debt / Equity
AAON
AAON
ROCK
ROCK
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

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
ROCK
ROCK
Operating Cash FlowLast quarter
$19.3M
$35.5M
Free Cash FlowOCF − Capex
$26.2M
FCF MarginFCF / Revenue
11.7%
Capex IntensityCapex / Revenue
4.1%
Cash ConversionOCF / Net Profit
0.60×
TTM Free Cash FlowTrailing 4 quarters
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AAON
AAON
ROCK
ROCK
Q4 25
$19.3M
$35.5M
Q3 25
$12.3M
$73.0M
Q2 25
$-21.8M
$44.9M
Q1 25
$-9.2M
$13.7M
Q4 24
$845.0K
$19.9M
Q3 24
$63.8M
$64.7M
Q2 24
$35.5M
$36.5M
Q1 24
$92.4M
$53.2M
Free Cash Flow
AAON
AAON
ROCK
ROCK
Q4 25
$26.2M
Q3 25
$64.8M
Q2 25
$27.3M
Q1 25
$2.3M
Q4 24
$14.1M
Q3 24
$60.5M
Q2 24
$33.5M
Q1 24
$48.8M
FCF Margin
AAON
AAON
ROCK
ROCK
Q4 25
11.7%
Q3 25
20.8%
Q2 25
8.8%
Q1 25
0.8%
Q4 24
7.8%
Q3 24
21.8%
Q2 24
12.2%
Q1 24
16.7%
Capex Intensity
AAON
AAON
ROCK
ROCK
Q4 25
4.1%
Q3 25
2.6%
Q2 25
5.7%
Q1 25
3.9%
Q4 24
3.3%
Q3 24
1.5%
Q2 24
1.1%
Q1 24
1.5%
Cash Conversion
AAON
AAON
ROCK
ROCK
Q4 25
0.60×
Q3 25
0.40×
Q2 25
-1.41×
1.73×
Q1 25
-0.31×
0.65×
Q4 24
0.03×
Q3 24
1.21×
1.90×
Q2 24
0.68×
1.13×
Q1 24
2.37×
2.13×

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%

ROCK
ROCK

Transferred At Point In Time$183.5M82%
Infrastructure$22.5M10%
Other$18.9M8%

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