Is Mueller Industries, Inc. (MLI) halal? Halal. Based on AAOIFI screening, Mueller Industries, Inc. passes both qualitative (business activity) and quantitative (financial ratio) screens with a compliance score of 87/100 (Grade: A).

Mueller Industries, Inc.

MLI: Is Mueller Industries, Inc. Halal?

Halal

Mueller Industries, Inc.

NYSEIndustrialsUS

$135.49

+2.30%

Purify ~1% of income

About Mueller Industries, Inc.

Mueller Industries, Inc., established in 1917 and based in Collierville, Tennessee, is a global manufacturer and distributor of various products crafted from copper, brass, aluminum, and plastic. The company operates internationally, with a presence in the United States, the United Kingdom, Canada, South Korea, the Middle East, China, and Mexico. Its business is divided into three key segments: Piping Systems, Industrial Metals, and Climate. The Piping Systems segment offers a comprehensive range of products including copper tubing, fittings, line sets, and pipe nipples. It also provides PEX plumbing and radiant heating systems, as well as plastic injection tooling. Additionally, this segment resells items such as steel pipes, brass and plastic plumbing valves, malleable iron fittings, faucets, and other plumbing specialties, alongside supplying water tubes. Its primary customers are wholesalers in the plumbing and refrigeration industries, distributors serving the manufactured housing and recreational vehicle markets, building material retailers, and air-conditioning original equipment manufacturers (OEMs). The Industrial Metals segment specializes in producing rods from brass, bronze, and copper alloys; plumbing brass, valves, and fittings; and cold-formed aluminum and copper products. It also performs machining on aluminum, steel, brass, and cast iron impacts and castings. Furthermore, this segment manufactures brass and aluminum forgings, various valves (brass, aluminum, stainless steel), fluid control solutions, and gas train assemblies. These products are primarily supplied to OEMs across the industrial, construction, HVAC, plumbing, and refrigeration sectors. Finally, the Climate segment provides valves, protection devices, and brass fittings specifically for commercial HVAC and refrigeration OEMs. It also delivers high-pressure components and accessories for the air-conditioning and refrigeration markets. A significant offering includes coaxial heat exchangers and twisted tubes, which are utilized in diverse applications such as HVAC, geothermal, refrigeration, swimming pool heat pumps, marine, ice machines, commercial boilers, and heat reclamation. This segment also supplies insulated flexible duct systems for HVAC, along with brazed manifolds, headers, and distributor assemblies.

Sector: Industrials 路 Industry: Manufacturing - Metal Fabrication

Shariah Compliance Status

AAOIFI Standard 21Updated Jun 12, 2026
A

Very Good

Strong compliance across all metrics

87Score

Business Activity Screen

Passed

Checks if the business is involved in prohibited activities (alcohol, gambling, pork, conventional banking, etc.)

Financial Ratio Screen

Passed

Financial ratios must be below AAOIFI thresholds

Debt / Market Cap0.0% / 30.0%

Compliance History

Halal, unchanged since May 2026.

No status changes recorded since we began tracking.

Tracked since May 2026. Updates automatically on each re-screen.

Screened: Jun 12, 2026Fiscal: Q1 2026Source: FMP

Purify Your MLI Dividends

1.0% non-compliant income

MLI has 1.0% prohibited income. Calculate exactly how much of your dividends to donate.

Financial Overview

Market Cap

15.0B

Price

$135.49

Sector

Industrials

Industry

Manufacturing - Metal Fabrication

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Frequently Asked Questions

Is Mueller Industries, Inc. (MLI) halal to invest in?
Based on AAOIFI Standard 21 screening, Mueller Industries, Inc. (MLI) is rated Halal with a compliance grade of A (Very Good). It passes both the business activity screen (no primary involvement in prohibited sectors) and the quantitative financial ratio screen (debt, interest deposits, and prohibited income all below AAOIFI thresholds).
Why did Mueller Industries, Inc. get a A compliance rating?
Mueller Industries, Inc. (MLI) received a grade of A (Very Good) based on three AAOIFI Standard 21 financial ratios: debt-to-market-cap of 0.0% (limit 30%); interest-bearing deposits of 9.3% (limit 30%); prohibited income of 0.99% (limit 5%). The grade reflects the margin of safety across all three ratios relative to their thresholds.
What could change Mueller Industries, Inc.'s Shariah verdict?
Mueller Industries, Inc.'s verdict is re-evaluated at each annual re-screen. Three events could change it: (1) the debt-to-market-cap ratio crossing 30%, typically from new debt issuance or a major drop in share price; (2) interest-bearing deposits exceeding 30% of market cap; or (3) prohibited revenue (alcohol, gambling, conventional finance, etc.) exceeding 5% of total revenue. Verdict flips are tracked in the compliance history section above.
How often is Mueller Industries, Inc. re-screened for Shariah compliance?
Mueller Industries, Inc. (MLI) is re-screened annually using the most recent full-year financial data from SEC filings. HalalScreener also triggers an on-demand re-screen whenever the stored data is more than 7 days old, ensuring the ratios reflect the latest available financial statements. Last screened: Jun 12, 2026.

Screened according to AAOIFI Standard No. 21 路 For informational purposes only. Consult a qualified Islamic finance advisor before investing.

Disclaimer: This screening is for informational purposes only and does not constitute financial, legal, or religious advice. Compliance is evaluated using AAOIFI financial standards (debt, deposits, and prohibited income ratios) and publicly available data. Ethical, political, social, or environmental considerations are outside the scope of this screening. Individual scholars and methodologies may differ. Always consult a qualified Islamic finance advisor before making investment decisions.