Martin Marietta Materials

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Martin Marietta Materials, Inc.

Company type	Public
Traded as	NYSE: MLM S&P 500 component
Industry	Construction Materials
Founded	1993
Headquarters	Raleigh, North Carolina, U.S.
Key people	C. Nye (President & CEO) Jim Nickolas (CFO)
Revenue	US$4.7 billion (2020)[1]
Operating income	US$1 billion (2020)
Net income	US$721 million (2020)
Total assets	US$10.6 billion (2020)
Total equity	US$5.9 billion (2020)
Number of employees	8,714 (2019)
Website	martinmarietta.com

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks and foundations.

The present-day materials business is distantly descended from Superior Stone, an aggregates company founded in 1939 in Raleigh, North Carolina. In 1959, the company was purchased by the American-Marietta Corporation, which merged with the Glenn L. Martin Company a year later to form the Martin Marietta Corporation. In 1971, Martin Marietta acquired Harvey Aluminum, a company which made aluminum oxide, aluminum ingot and aircraft grade aluminum sheet. Martin Marietta merged with Lockheed Corporation in 1995, and a year later, Martin Marietta Materials was spun off as an independent company, with Lockheed Martin retaining various aerospace, defense, and other manufacturing lines of business.

Martin Marietta's Magnesia Specialties business provides a full range of magnesium oxide, magnesium hydroxide and dolomitic lime products.^{[citation needed]}

• Official website
• Martin Marietta Magnesia Specialties
• Business data for Martin Marietta Materials:
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