VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Enbridge Inc. vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Enbridge Inc.
ENB · Toronto 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 Enbridge Inc.'s moat claims, evidence, and risks.
View ENB analysisMartin Marietta Materials, Inc.
MLM · NYSE
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Martin Marietta Materials, Inc.'s moat claims, evidence, and risks.
View MLM analysisComparison highlights
- Moat score gap: Enbridge Inc. leads (92 / 100 vs 78 / 100 for Martin Marietta Materials, Inc.).
- Segment focus: Enbridge Inc. has 4 segments (72.8% in Liquids Pipelines); Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Moderate vs Strong.
- Moat breadth: Enbridge Inc. has 6 moat types across 3 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Enbridge Inc.
Liquids Pipelines
Crude oil & liquids pipeline transportation plus terminals/storage
North America (Canada & U.S.)
Producers, refiners, marketers (shippers)
Midstream pipeline operator
72.8%
Martin Marietta Materials, Inc.
East Group
Construction aggregates and asphalt products (crushed stone, sand & gravel; asphalt) in local/regional markets
United States (East/Southeast and adjacent regions)
Infrastructure agencies, construction contractors, and downstream materials producers (asphalt/ready-mix)
Quarry/mining operator and building materials producer/distributor
52.4%
Side-by-side metrics
Moat coverage
Shared moat types
Enbridge Inc. strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Enbridge Inc. segments
Full profile >Liquids Pipelines
Oligopoly
Gas Transmission and Midstream
Oligopoly
Gas Distribution and Storage
Monopoly
Renewable Power Generation
Competitive
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
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.