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Side-by-side financial comparison of Genuine Parts Company (GPC) and MASTEC INC (MTZ). Click either name above to swap in a different company.

Genuine Parts Company is the larger business by last-quarter revenue ($6.3B vs $3.9B, roughly 1.6× MASTEC INC). MASTEC INC runs the higher net margin — 3.6% vs 3.0%, a 0.6% gap on every dollar of revenue. On growth, MASTEC INC posted the faster year-over-year revenue change (15.8% vs 6.8%). MASTEC INC produced more free cash flow last quarter ($292.5M vs $-33.6M). Over the past eight quarters, MASTEC INC's revenue compounded faster (21.1% CAGR vs 2.5%).

Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom.

Mastec, Inc. is an American infrastructure engineering and construction company based in Coral Gables, Florida. The company provides engineering, building, installation, maintenance and upgrade of energy, utility and communications infrastructure. Its customers are primarily in the utility, communications and government industries.

GPC vs MTZ — Head-to-Head

Bigger by revenue
GPC
GPC
1.6× larger
GPC
$6.3B
$3.9B
MTZ
Growing faster (revenue YoY)
MTZ
MTZ
+9.0% gap
MTZ
15.8%
6.8%
GPC
Higher net margin
MTZ
MTZ
0.6% more per $
MTZ
3.6%
3.0%
GPC
More free cash flow
MTZ
MTZ
$326.2M more FCF
MTZ
$292.5M
$-33.6M
GPC
Faster 2-yr revenue CAGR
MTZ
MTZ
Annualised
MTZ
21.1%
2.5%
GPC

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
GPC
GPC
MTZ
MTZ
Revenue
$6.3B
$3.9B
Net Profit
$188.5M
$142.7M
Gross Margin
37.3%
Operating Margin
67.2%
4.4%
Net Margin
3.0%
3.6%
Revenue YoY
6.8%
15.8%
Net Profit YoY
-3.0%
90.9%
EPS (diluted)
$1.37
$1.81

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
GPC
GPC
MTZ
MTZ
Q1 26
$6.3B
Q4 25
$6.0B
$3.9B
Q3 25
$6.3B
$4.0B
Q2 25
$6.2B
$3.5B
Q1 25
$5.9B
$2.8B
Q4 24
$5.8B
$3.4B
Q3 24
$6.0B
$3.3B
Q2 24
$6.0B
$3.0B
Net Profit
GPC
GPC
MTZ
MTZ
Q1 26
$188.5M
Q4 25
$-609.5M
$142.7M
Q3 25
$226.2M
$160.7M
Q2 25
$254.9M
$85.8M
Q1 25
$194.4M
$9.9M
Q4 24
$133.1M
$74.7M
Q3 24
$226.6M
$95.2M
Q2 24
$295.5M
$34.0M
Gross Margin
GPC
GPC
MTZ
MTZ
Q1 26
37.3%
Q4 25
35.0%
Q3 25
37.4%
Q2 25
37.7%
Q1 25
37.1%
Q4 24
35.9%
Q3 24
36.8%
Q2 24
36.6%
Operating Margin
GPC
GPC
MTZ
MTZ
Q1 26
67.2%
Q4 25
-13.8%
4.4%
Q3 25
4.7%
5.3%
Q2 25
5.5%
3.4%
Q1 25
4.3%
0.3%
Q4 24
2.9%
2.8%
Q3 24
5.0%
4.2%
Q2 24
6.5%
2.1%
Net Margin
GPC
GPC
MTZ
MTZ
Q1 26
3.0%
Q4 25
-10.1%
3.6%
Q3 25
3.6%
4.0%
Q2 25
4.1%
2.4%
Q1 25
3.3%
0.3%
Q4 24
2.3%
2.2%
Q3 24
3.8%
2.9%
Q2 24
5.0%
1.1%
EPS (diluted)
GPC
GPC
MTZ
MTZ
Q1 26
$1.37
Q4 25
$-4.38
$1.81
Q3 25
$1.62
$2.04
Q2 25
$1.83
$1.09
Q1 25
$1.40
$0.13
Q4 24
$0.96
$0.95
Q3 24
$1.62
$1.21
Q2 24
$2.11
$0.43

Balance Sheet & Financial Strength

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

Metric
GPC
GPC
MTZ
MTZ
Cash + ST InvestmentsLiquidity on hand
$500.0M
$396.0M
Total DebtLower is stronger
$4.6B
$2.2B
Stockholders' EquityBook value
$4.5B
$3.3B
Total Assets
$21.0B
$9.9B
Debt / EquityLower = less leverage
1.03×
0.67×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GPC
GPC
MTZ
MTZ
Q1 26
$500.0M
Q4 25
$396.0M
Q3 25
$231.4M
Q2 25
$191.1M
Q1 25
$345.7M
Q4 24
$399.9M
Q3 24
$181.2M
Q2 24
$297.6M
Total Debt
GPC
GPC
MTZ
MTZ
Q1 26
$4.6B
Q4 25
$4.8B
$2.2B
Q3 25
$2.2B
Q2 25
$2.1B
Q1 25
$2.0B
Q4 24
$4.3B
$2.0B
Q3 24
$2.1B
Q2 24
$2.4B
Stockholders' Equity
GPC
GPC
MTZ
MTZ
Q1 26
$4.5B
Q4 25
$4.4B
$3.3B
Q3 25
$4.8B
$3.1B
Q2 25
$4.7B
$2.9B
Q1 25
$4.4B
$2.9B
Q4 24
$4.3B
$2.9B
Q3 24
$4.7B
$2.8B
Q2 24
$4.5B
$2.7B
Total Assets
GPC
GPC
MTZ
MTZ
Q1 26
$21.0B
Q4 25
$20.8B
$9.9B
Q3 25
$20.7B
$9.7B
Q2 25
$20.4B
$9.1B
Q1 25
$19.8B
$8.9B
Q4 24
$19.3B
$9.0B
Q3 24
$20.3B
$8.8B
Q2 24
$18.9B
$8.7B
Debt / Equity
GPC
GPC
MTZ
MTZ
Q1 26
1.03×
Q4 25
1.08×
0.67×
Q3 25
0.71×
Q2 25
0.71×
Q1 25
0.71×
Q4 24
0.99×
0.70×
Q3 24
0.76×
Q2 24
0.87×

Cash Flow & Capital Efficiency

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

Metric
GPC
GPC
MTZ
MTZ
Operating Cash FlowLast quarter
$372.7M
Free Cash FlowOCF − Capex
$-33.6M
$292.5M
FCF MarginFCF / Revenue
-0.5%
7.4%
Capex IntensityCapex / Revenue
2.0%
Cash ConversionOCF / Net Profit
2.61×
TTM Free Cash FlowTrailing 4 quarters
$548.0M
$285.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GPC
GPC
MTZ
MTZ
Q1 26
Q4 25
$380.1M
$372.7M
Q3 25
$341.6M
$89.0M
Q2 25
$209.9M
$5.6M
Q1 25
$-40.8M
$78.4M
Q4 24
$155.0M
$471.7M
Q3 24
$484.3M
$277.7M
Q2 24
$293.6M
$264.4M
Free Cash Flow
GPC
GPC
MTZ
MTZ
Q1 26
$-33.6M
Q4 25
$260.7M
$292.5M
Q3 25
$240.0M
$20.3M
Q2 25
$81.0M
$-58.2M
Q1 25
$-160.7M
$31.1M
Q4 24
$-26.7M
$423.4M
Q3 24
$358.0M
$234.1M
Q2 24
$150.1M
$232.9M
FCF Margin
GPC
GPC
MTZ
MTZ
Q1 26
-0.5%
Q4 25
4.3%
7.4%
Q3 25
3.8%
0.5%
Q2 25
1.3%
-1.6%
Q1 25
-2.7%
1.1%
Q4 24
-0.5%
12.4%
Q3 24
6.0%
7.2%
Q2 24
2.5%
7.9%
Capex Intensity
GPC
GPC
MTZ
MTZ
Q1 26
Q4 25
2.0%
2.0%
Q3 25
1.6%
1.7%
Q2 25
2.1%
1.8%
Q1 25
2.0%
1.7%
Q4 24
3.1%
1.4%
Q3 24
2.1%
1.3%
Q2 24
2.4%
1.1%
Cash Conversion
GPC
GPC
MTZ
MTZ
Q1 26
Q4 25
2.61×
Q3 25
1.51×
0.55×
Q2 25
0.82×
0.07×
Q1 25
-0.21×
7.91×
Q4 24
1.17×
6.31×
Q3 24
2.14×
2.92×
Q2 24
0.99×
7.78×

Financial Flow Comparison

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

Revenue Breakdown by Segment

GPC
GPC

Segment breakdown not available.

MTZ
MTZ

Clean Energy And Infrastructure$1.3B33%
Power Delivery$1.1B28%
Communications$906.7M23%
Pipeline Infrastructure$643.8M16%

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