Mueller Industries (MEX:MLI) Moat Score: 6/10 (As of Jul. 31, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MEX:MLI Mueller Industries Inc MEX:MLI
91 GF Score
Price MXN1,175.00
GF Value MXN734.11
! 3 Warning Signs
View Full Analysis

What is Mueller Industries Moat Score?

Mueller Industries MEX:MLI 91 Moat Score is 6 as of Jul. 31, 2026. GuruFocus rates MEX:MLI with a GF Score™ of 91/100 and a GF Value™ of MXN734.11. The stock has 3 warning signs investors should review. Among 3,033 Industrial Products companies, Mueller Industries ranks better than 98.94% on this metric.

Mueller Industries has the Moat Score of 6, which implies that the company might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

Mueller Industries has Narrow Moat: Mueller Industries has a strong narrow moat due to its durable cost advantages from economies of scale and a robust distribution network. The company holds a significant market share in its industry, but lacks the extensive brand strength or regulatory barriers to qualify for a wide moat.

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes Mueller Industries might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

Mueller Industries  (MEX:MLI) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

Mueller Industries Moat Score Related Terms

MEX:MLI vs CMC, ESAB, GPGI: Moat Score Comparison

For the Metal Fabrication subindustry, Mueller Industries's Moat Score, along with its competitors' market caps and Moat Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Mueller Industries Moat Score vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Mueller Industries's Moat Score distribution charts can be found below:

* The bar in red indicates where Mueller Industries's Moat Score falls into.


MEX:MLI
91GF Score
Mueller Industries Inc MEX:MLI
Moat Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis
Frequently Asked Questions Learn more about Moat Score →
What does a Moat Score of 6 mean?
Mueller Industries (MEX:MLI) has a Moat Score of 6 as of Jul. 31, 2026. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. According to the industry distribution chart, Mueller Industries ranks #32 out of 3033 companies in the Industrial Products industry, placing it in the top 1.1%.
Is Mueller Industries' Moat Score too high?
Mueller Industries' current Moat Score is 6. Based on the distribution chart, Mueller Industries ranks #32 out of 3033 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Mueller Industries has a GF Score™ of 91/100, reflecting its overall financial health beyond just this single metric.
How does Mueller Industries' Moat Score compare to CMC and ESAB?
According to the Industrial Products industry distribution chart, Mueller Industries ranks #32 out of 3033 companies for Moat Score. This places Mueller Industries in the top 1% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Moat Score for an Industrial Products company?
A good Moat Score depends on the Industrial Products industry context. However, Moat Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Moat Score mean?
A high Moat Score can signal that a stock is expensive relative to its fundamentals. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. Mueller Industries's current Moat Score is 6. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mueller Industries stock overvalued right now?
Mueller Industries (MEX:MLI) has a current Moat Score of 6. The stock's GF Value™ is MXN734.11, compared to a current price of MXN1,175.00 — trading 60.1% above its estimated fair value. The current Moat Score is 6. Mueller Industries' overall GF Score™ is 91/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Moat Score calculated?
Moat Score is calculated from a company's financial statements. For Mueller Industries (MEX:MLI), the current Moat Score is 6 as of Jul. 31, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Mueller Industries (MEX:MLI) Overvalued in 2026?

Based on GuruFocus' analysis, Mueller Industries stock appears to be overvalued. The current stock price of MXN1,175.00 is trading 60.1% above its estimated GF Value™ of MXN734.11.

Key valuation signals for MEX:MLI:

  • Moat Score: 6
  • GF Value™: MXN734.11 vs. price of MXN1,175.00 (60.1% above fair value)
  • GF Score™: 91/100 with 3 warning signs

No single metric tells the full story. See the MEX:MLI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Mueller Industries Business Description

Other Exchanges MLI:USAMUD:Germany
Address 150 Schilling Boulevard, Suite 100, Collierville, TN, USA, 38017
Mueller Industries Inc makes copper, brass, aluminum, and plastic products. The company reports three business segments: piping systems, industrial metals, and climate. Piping systems, earning majority of the company's revenue, produces tubes, fittings, rods, valves, and other products and operates various firms world-wide. The industrial metals segment manufactures impacts and micro-gauge, brass rod and copper bar products, and brass value-added products. The climate segment produces items used to create temperature-control goods, including valves, twisted tubes, coaxial heat exchangers, and others. Geographically, it operates in USA, UK, Canada, Asia and the Middle East and Mexico.
91GF Score

Get the complete analysis for MEX:MLI

Moat Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN1,175.00
Price
MXN734.11
GF Value