VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Wednesday, January 14, 2026
Stock Comparison
Martin Marietta Materials, Inc. vs PPG Industries, Inc.
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Martin 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 analysisPPG Industries, Inc.
PPG · 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 PPG Industries, Inc.'s moat claims, evidence, and risks.
View PPG analysisComparison highlights
- Moat score gap: Martin Marietta Materials, Inc. leads (78 / 100 vs 62 / 100 for PPG Industries, Inc.).
- Segment focus: Martin Marietta Materials, Inc. has 3 segments (52.4% in East Group); PPG Industries, Inc. has 3 segments (42.2% in Industrial Coatings).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Strong vs Weak.
- Moat breadth: Martin Marietta Materials, Inc. has 4 moat types across 2 domains; PPG Industries, Inc. has 7 across 3.
Primary market context
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%
PPG Industries, Inc.
Industrial Coatings
Industrial coatings for OEM/manufacturing (automotive OEM, general industrial, packaging coatings, specialty materials)
Global
Automotive OEMs and tier suppliers, industrial manufacturers, can/closure and packaging producers
Coatings/materials supplier integrated into OEM production processes
42.2%
Side-by-side metrics
Moat coverage
Shared moat types
No overlap yet.
Martin Marietta Materials, Inc. strengths
PPG Industries, Inc. strengths
Segment mix
Martin Marietta Materials, Inc. segments
Full profile >East Group
Oligopoly
West Group
Oligopoly
Specialties (formerly Magnesia Specialties)
Oligopoly
PPG Industries, Inc. segments
Full profile >Global Architectural Coatings
Competitive
Performance Coatings
Oligopoly
Industrial Coatings
Oligopoly
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Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & 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.