MasTec Inc (MTZ)vsWilliams Companies Inc (WMB)
MTZ
MasTec Inc
$433.28
-0.97%
INDUSTRIALS · Cap: $32.90B
WMB
Williams Companies Inc
$73.76
-3.10%
ENERGY · Cap: $92.22B
Smart Verdict
WallStSmart Research — data-driven comparison
MasTec Inc generates 29% more annual revenue ($15.28B vs $11.83B). WMB leads profitability with a 22.1% profit margin vs 3.0%. WMB appears more attractively valued with a PEG of 2.53. WMB earns a higher WallStSmart Score of 67/100 (B-).
MTZ
Buy58
out of 100
Grade: C
WMB
Strong Buy67
out of 100
Grade: B-
Intrinsic Value Comparison
Multi-model valuation · Graham Formula
Margin of Safety
-38.8%
Fair Value
$190.97
Current Price
$433.28
$242.31 premium
Intrinsic value data unavailable for WMB.
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 41.2%
Earnings expanding 50.8% YoY
Large-cap with strong market position
Keeps 22 of every $100 in revenue as profit
Areas to Watch
Trading at 10.4x book value
3.0% margin — thin
Operating margin of 3.7%
Expensive relative to growth rate
Premium valuation, high expectations priced in
Weak financial health signals
Expensive relative to growth rate
Distress zone — elevated risk
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, EPS Growth, Market Cap. Profitability is solid with margins at 22.1% and operating margin at 41.2%.
Bear Case : MTZ
The primary concerns for MTZ are Price/Book, Profit Margin, Operating Margin. A P/E of 82.7x leaves little room for execution misses. Thin 3.0% margins leave little buffer for downturns.
Bear Case : WMB
The primary concerns for WMB are P/E Ratio, Piotroski F-Score, PEG Ratio.
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 1.80 — 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 (67/100 vs 58/100), backed by strong 22.1% margins. Both earn "Strong 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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