VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Marsh & McLennan Companies, Inc. vs TC Energy Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Marsh & McLennan Companies, Inc.
MMC · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Marsh & McLennan Companies, Inc.'s moat claims, evidence, and risks.
View MMC analysisTC Energy Corporation
TRP · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into TC Energy Corporation's moat claims, evidence, and risks.
View TRP analysisComparison highlights
- Moat score gap: TC Energy Corporation leads (80 / 100 vs 65 / 100 for Marsh & McLennan Companies, Inc.).
- Segment focus: Marsh & McLennan Companies, Inc. has 2 segments (62.8% in Risk and Insurance Services); TC Energy Corporation has 4 segments (46.1% in U.S. Natural Gas Pipelines).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Weak.
- Moat breadth: Marsh & McLennan Companies, Inc. has 5 moat types across 3 domains; TC Energy Corporation has 4 across 3.
Primary market context
Marsh & McLennan Companies, Inc.
Risk and Insurance Services
Insurance brokerage, risk advisory, and reinsurance brokerage/services
Global
Enterprises, public entities, associations, and individuals (via broker/agent channels)
Intermediary + advisor (insurance/reinsurance market intermediary)
62.8%
TC Energy Corporation
U.S. Natural Gas Pipelines
U.S. interstate natural gas pipeline transportation (FERC-regulated)
United States
Utilities/LDCs, power generators, LNG/export facilities, industrial users and marketers (as shippers)
Midstream pipeline operator
46.1%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Marsh & McLennan Companies, Inc. strengths
TC Energy Corporation strengths
Segment mix
Marsh & McLennan Companies, Inc. segments
Full profile >Risk and Insurance Services
Oligopoly
Consulting
Competitive
TC Energy Corporation segments
Full profile >Canadian Natural Gas Pipelines
Quasi-Monopoly
U.S. Natural Gas Pipelines
Oligopoly
Mexico Natural Gas Pipelines
Oligopoly
Power and Energy Solutions
Competitive
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View the moat stocks listCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.