VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, December 31, 2025
Stock Comparison
Aon plc vs Caterpillar Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Aon plc
AON · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Caterpillar Inc.
CAT · 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 Caterpillar Inc.'s moat claims, evidence, and risks.
View CAT analysisComparison highlights
- Moat score gap: Aon plc leads (70 / 100 vs 68 / 100 for Caterpillar Inc.).
- Segment focus: Aon plc has 2 segments (67% in Risk Capital); Caterpillar Inc. has 5 segments (40.7% in Energy & Transportation).
- Moat breadth: Aon plc has 6 moat types across 3 domains; Caterpillar Inc. has 9 across 4.
Primary market context
Aon plc
Risk Capital
Large-account commercial insurance & reinsurance brokerage and risk advisory
Global
Enterprises, insurers, reinsurers
Intermediary/advisor
67%
Caterpillar Inc.
Energy & Transportation
Off-highway engines, power generation, turbines, locomotives and related services
Global
Energy companies, industrial customers, OEMs, rail and marine operators
OEM + aftermarket parts/service
40.7%
Side-by-side metrics
Moat coverage
Shared moat types
Aon plc strengths
Caterpillar Inc. strengths
Segment mix
Aon plc segments
Full profile >Risk Capital
Oligopoly
Human Capital
Oligopoly
Caterpillar Inc. segments
Full profile >Construction Industries
Oligopoly
Resource Industries
Oligopoly
Energy & Transportation
Oligopoly
Financial Products
Competitive
All Other
Competitive
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
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 Pricing, features, and availability may be incomplete or out of date.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.