MasTec Inc (MTZ)vsWilliams Companies Inc (WMB)
MTZ
MasTec Inc
$363.89
-2.89%
INDUSTRIALS · Cap: $28.68B
WMB
Williams Companies Inc
$72.42
+2.62%
ENERGY · Cap: $87.43B
Smart Verdict
WallStSmart Research — data-driven comparison
MasTec Inc generates 26% more annual revenue ($15.28B vs $12.11B). WMB leads profitability with a 23.1% profit margin vs 3.0%. MTZ appears more attractively valued with a PEG of 1.64. WMB earns a higher WallStSmart Score of 65/100 (C+).
MTZ
Buy63
out of 100
Grade: C+
WMB
Buy65
out of 100
Grade: C+
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Revenue surging 34.5% year-over-year
Earnings expanding 508.0% YoY
Strong operational efficiency at 33.6%
Large-cap with strong market position
Every $100 of equity generates 22 in profit
Keeps 23 of every $100 in revenue as profit
Earnings expanding 25.0% YoY
Areas to Watch
Expensive relative to growth rate
Trading at 8.6x book value
3.0% margin — thin
Operating margin of 3.7%
Expensive relative to growth rate
Premium valuation, high expectations priced in
Distress zone — elevated risk
Elevated debt levels
Comparative Analysis Report
WallStSmart ResearchBull Case : MTZ
The strongest argument for MTZ centers on Revenue Growth, EPS Growth. Revenue growth of 34.5% demonstrates continued momentum.
Bull Case : WMB
The strongest argument for WMB centers on Operating Margin, Market Cap, Return on Equity. Profitability is solid with margins at 23.1% and operating margin at 33.6%.
Bear Case : MTZ
The primary concerns for MTZ are PEG Ratio, Price/Book, Profit Margin. A P/E of 63.7x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.
Bear Case : WMB
The primary concerns for WMB are PEG Ratio, P/E Ratio, Altman Z-Score. Debt-to-equity of 2.33 is elevated, increasing financial risk.
Key Dynamics to Monitor
MTZ profiles as a hypergrowth stock while WMB is a mature play — different risk/reward profiles.
MTZ carries more volatility with a beta of 1.79 — expect wider price swings.
MTZ is growing revenue faster at 34.5% — sustainability is the question.
WMB generates stronger free cash flow (244M), providing more financial flexibility.
Bottom Line
WMB scores higher overall (65/100 vs 63/100), backed by strong 23.1% margins. Both earn "Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
MasTec Inc
INDUSTRIALS · ENGINEERING & CONSTRUCTION · USA
MasTec, Inc., an infrastructure construction company, provides engineering, construction, installation, maintenance, and upgrade services for communications, energy, utilities, and other infrastructure primarily in the United States and Canada. The company is headquartered in Coral Gables, Florida.
Visit Website →Williams Companies Inc
ENERGY · OIL & GAS MIDSTREAM · USA
The Williams Companies, Inc., is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets.
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