VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Friday, January 2, 2026
Stock Comparison
Crown Castle Inc. vs Martin Marietta Materials, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Crown Castle Inc.
CCI · 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 Crown Castle Inc.'s moat claims, evidence, and risks.
View CCI 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: Crown Castle Inc. leads (84 / 100 vs 78 / 100 for Martin Marietta Materials, Inc.).
- Segment focus: Crown Castle Inc. has 2 segments (67% in Towers); Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group).
- Moat breadth: Crown Castle Inc. has 3 moat types across 3 domains; Martin Marietta Materials, Inc. has 4 across 2.
Primary market context
Crown Castle Inc.
Towers
U.S. macrocell tower leasing (wireless site rental)
United States
Mobile network operators
Infrastructure owner/lessor
67%
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
Crown Castle Inc. strengths
Martin Marietta Materials, Inc. strengths
Segment mix
Crown Castle Inc. segments
Full profile >Towers
Oligopoly
Fiber (small cells + fiber solutions)
Competitive
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
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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.