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

GIBRALTAR INDUSTRIES, INC. is the larger business by last-quarter revenue ($225.0M vs $171.9M, roughly 1.3× MILLER INDUSTRIES INC). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs -22.5%). MILLER INDUSTRIES INC produced more free cash flow last quarter ($43.8M vs $26.2M). Over the past eight quarters, GIBRALTAR INDUSTRIES, INC.'s revenue compounded faster (-12.3% CAGR vs -29.9%).

Miller Industries is an American tow truck and towing equipment manufacturing company based in the Chattanooga suburb of Ooltewah, Tennessee. Its primary subsidiary, Miller Industries Towing Equipment Inc., manufactures a variety of light- to heavy-duty wreckers, car carriers, and rotators under several brand names, including Century, Vulcan, Chevron, and Holmes. Miller Industries also operates international brands with Boniface (U.K.) and Jige (France). It is listed on the New York Stock Exc...

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.

MLR vs ROCK — Head-to-Head

Bigger by revenue
ROCK
ROCK
1.3× larger
ROCK
$225.0M
$171.9M
MLR
Growing faster (revenue YoY)
ROCK
ROCK
+47.5% gap
ROCK
24.9%
-22.5%
MLR
More free cash flow
MLR
MLR
$17.5M more FCF
MLR
$43.8M
$26.2M
ROCK
Faster 2-yr revenue CAGR
ROCK
ROCK
Annualised
ROCK
-12.3%
-29.9%
MLR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MLR
MLR
ROCK
ROCK
Revenue
$171.9M
$225.0M
Net Profit
Gross Margin
15.4%
25.3%
Operating Margin
2.9%
7.9%
Net Margin
Revenue YoY
-22.5%
24.9%
Net Profit YoY
EPS (diluted)
$0.29

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
MLR
MLR
ROCK
ROCK
Q4 25
$171.9M
$225.0M
Q3 25
$178.7M
$310.9M
Q2 25
$214.0M
$309.5M
Q1 25
$225.7M
$290.0M
Q4 24
$221.9M
$180.1M
Q3 24
$314.3M
$277.1M
Q2 24
$371.5M
$273.6M
Q1 24
$349.9M
$292.5M
Net Profit
MLR
MLR
ROCK
ROCK
Q4 25
Q3 25
$3.1M
$-89.1M
Q2 25
$8.5M
$26.0M
Q1 25
$8.1M
$21.1M
Q4 24
Q3 24
$15.4M
$34.0M
Q2 24
$20.5M
$32.2M
Q1 24
$17.0M
$24.9M
Gross Margin
MLR
MLR
ROCK
ROCK
Q4 25
15.4%
25.3%
Q3 25
14.2%
26.6%
Q2 25
16.2%
28.4%
Q1 25
15.0%
26.8%
Q4 24
15.1%
29.0%
Q3 24
13.4%
29.4%
Q2 24
13.8%
30.5%
Q1 24
12.6%
28.9%
Operating Margin
MLR
MLR
ROCK
ROCK
Q4 25
2.9%
7.9%
Q3 25
2.4%
12.8%
Q2 25
5.3%
12.8%
Q1 25
4.8%
8.8%
Q4 24
5.7%
13.3%
Q3 24
6.3%
15.6%
Q2 24
7.1%
14.9%
Q1 24
6.1%
10.8%
Net Margin
MLR
MLR
ROCK
ROCK
Q4 25
Q3 25
1.7%
-28.6%
Q2 25
4.0%
8.4%
Q1 25
3.6%
7.3%
Q4 24
Q3 24
4.9%
12.3%
Q2 24
5.5%
11.8%
Q1 24
4.9%
8.5%
EPS (diluted)
MLR
MLR
ROCK
ROCK
Q4 25
$0.29
Q3 25
$0.27
$-2.98
Q2 25
$0.73
$0.87
Q1 25
$0.69
Q4 24
$0.89
Q3 24
$1.33
$1.11
Q2 24
$1.78
$1.05
Q1 24
$1.47

Balance Sheet & Financial Strength

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

Metric
MLR
MLR
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$115.7M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$420.6M
$950.4M
Total Assets
$589.7M
$1.4B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLR
MLR
ROCK
ROCK
Q4 25
$115.7M
Q3 25
$89.4M
Q2 25
$43.3M
Q1 25
$25.1M
Q4 24
$269.5M
Q3 24
$228.9M
Q2 24
$179.1M
Q1 24
$146.7M
Total Debt
MLR
MLR
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
MLR
MLR
ROCK
ROCK
Q4 25
$420.6M
$950.4M
Q3 25
$420.7M
$951.8M
Q2 25
$418.6M
$1.0B
Q1 25
$406.5M
$1.0B
Q4 24
$401.0M
$1.0B
Q3 24
$395.2M
$1.0B
Q2 24
$379.9M
$975.7M
Q1 24
$362.4M
$940.2M
Total Assets
MLR
MLR
ROCK
ROCK
Q4 25
$589.7M
$1.4B
Q3 25
$604.3M
$1.4B
Q2 25
$622.9M
$1.5B
Q1 25
$639.7M
$1.4B
Q4 24
$667.0M
$1.4B
Q3 24
$755.3M
$1.4B
Q2 24
$748.2M
$1.4B
Q1 24
$696.5M
$1.3B
Debt / Equity
MLR
MLR
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
MLR
MLR
ROCK
ROCK
Operating Cash FlowLast quarter
$48.9M
$35.5M
Free Cash FlowOCF − Capex
$43.8M
$26.2M
FCF MarginFCF / Revenue
25.5%
11.7%
Capex IntensityCapex / Revenue
3.0%
4.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$85.0M
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLR
MLR
ROCK
ROCK
Q4 25
$48.9M
$35.5M
Q3 25
$19.9M
$73.0M
Q2 25
$27.2M
$44.9M
Q1 25
$2.7M
$13.7M
Q4 24
$-11.7M
$19.9M
Q3 24
$30.3M
$64.7M
Q2 24
$-10.7M
$36.5M
Q1 24
$9.0M
$53.2M
Free Cash Flow
MLR
MLR
ROCK
ROCK
Q4 25
$43.8M
$26.2M
Q3 25
$18.1M
$64.8M
Q2 25
$25.6M
$27.3M
Q1 25
$-2.4M
$2.3M
Q4 24
$-13.0M
$14.1M
Q3 24
$24.0M
$60.5M
Q2 24
$-13.8M
$33.5M
Q1 24
$4.3M
$48.8M
FCF Margin
MLR
MLR
ROCK
ROCK
Q4 25
25.5%
11.7%
Q3 25
10.1%
20.8%
Q2 25
11.9%
8.8%
Q1 25
-1.1%
0.8%
Q4 24
-5.9%
7.8%
Q3 24
7.6%
21.8%
Q2 24
-3.7%
12.2%
Q1 24
1.2%
16.7%
Capex Intensity
MLR
MLR
ROCK
ROCK
Q4 25
3.0%
4.1%
Q3 25
1.0%
2.6%
Q2 25
0.8%
5.7%
Q1 25
2.3%
3.9%
Q4 24
0.6%
3.3%
Q3 24
2.0%
1.5%
Q2 24
0.8%
1.1%
Q1 24
1.3%
1.5%
Cash Conversion
MLR
MLR
ROCK
ROCK
Q4 25
Q3 25
6.46×
Q2 25
3.22×
1.73×
Q1 25
0.34×
0.65×
Q4 24
Q3 24
1.96×
1.90×
Q2 24
-0.52×
1.13×
Q1 24
0.53×
2.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MLR
MLR

Segment breakdown not available.

ROCK
ROCK

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

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