Is MLM (Martin Marietta Materials, Inc.) Halal or Haram?

Based on our AAOIFI-standard shariah screening, MLM is Halal and considered permissible for Muslim investors. It passed all 4 of 4 compliance screens including business activity review, debt-to-market-cap ratio (14.37% vs ≤33% threshold), interest income ratio (0.00% vs ≤5% threshold), and cash & securities ratio (0.18% vs ≤33% threshold).

Martin Marietta Materials, Inc. is a leading American supplier of heavy-side building materials and natural resources. The company provides essential construction components like crushed stone, sand, gravel, ready-mixed concrete, and specialty cement for major infrastructure, residential, and commercial projects across the United States and internationally. For Muslim investors, MLM represents a solid Halal investment opportunity, having successfully passed all four AAOIFI shariah screens. Because its core operations involve manufacturing and distributing tangible construction materials rather than financial services or prohibited goods, the primary business activity is completely aligned with Islamic values. From an Islamic finance perspective, the company's balance sheet is highly attractive. Martin Marietta maintains a conservative debt-to-market cap ratio of 14.4%, well below the 33% threshold, and generates absolutely zero interest income (0.00%), meaning investors do not have to worry about purifying their dividends from interest-bearing activities. Since there is no scholarly debate regarding the permissibility of producing construction materials, Muslim investors can hold this stock with confidence. However, as with any equity investment, shareholders should periodically monitor the company's debt levels to ensure they remain below the 33% AAOIFI threshold during broader market downturns. Martin Marietta Materials, Inc. operates in the Basic Materials sector under the Construction Materials industry and is headquartered in Raleigh, NC, US. The company is led by CEO C. Howard Nye and employs approximately 9,400 people.

MLM was screened using AAOIFI-based shariah compliance criteria. Four tests are applied: (1) Business Activity — the company's core business must not derive primary income from haram (prohibited) activities such as alcohol, gambling, tobacco, or interest-based finance. (2) Debt-to-Market-Cap — total debt must not exceed 33% of market capitalization. (3) Interest Income — interest income must not exceed 5% of total revenue. (4) Cash & Securities — cash and interest-bearing securities must not exceed 33% of market cap. MLM passed 4 of these 4 screens.

MLM has negligible interest income, so purification may not be necessary. However, it is always advisable to consult a qualified scholar regarding your specific investment situation.

MLM was last screened on 2026-04-29. Shariah compliance status can change as companies report new financial data, acquire new businesses, or shift revenue streams. We recommend checking back periodically for the most up-to-date screening results.