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Martin Marietta Materials Inc
4123 PARKLAKE AVE
Phone: (919) 781-4550p:919 781-4550 RALEIGH, NC  27612  United States Ticker: MLMMLM
Business Summary
Martin Marietta Materials, Inc. is a supplier of aggregates and other building materials. The Company supplies aggregates (crushed stone, sand and gravel) through its network of around 500 quarries, mines, and distribution yards in 29 states, Canada and The Bahamas. It also provides other building materials, namely, cement, ready mixed concrete, asphalt, and paving services. Its heavy-side building materials are used in infrastructure, nonresidential and residential construction projects. Its aggregates are also used in agricultural, utility, and environmental applications and as railroad ballast. Its building materials business includes two segments: East Group and West Group. The East Group comprises the East and Southwest divisions. The West Group comprises the Central and West divisions. The Specialties segment produces high-purity natural and synthetic magnesia-based products, including magnesium sulfate, magnesium oxide and magnesium hydroxide, used in various applications.
(Source: 6-K)

Scores and Ratings
FRISK®
Score		 Z''
Score		 PAYCE®
Score		 DBT
Index		 Moody's
Rating		 Fitch
Rating		 DBRS
Rating
YesYes-YesYesYes-

Financials, News and Filings
Latest
Statement		 Last
Audit
News		 SEC
Filings		 Bankruptcy
Filings		 Suit &
Judgment
Filings		 Tax
Lien
Filings
6/30/202612/31/2025YesYes--Yes

Industries
SIC Code Description
1422 Crushed and broken limestone
1423 Crushed and broken granite
1442 Construction sand and gravel
3253 Ceramic wall and floor tile
3241 Cement, hydraulic
2951 Asphalt paving mixtures and blocks
3274 Lime
2819 Industrial inorganic chemicals, not elsewhere classified

Officers and Directors

Title
Name
Age		 Title
Date		 Start
Date
Chairman of the Board, President, Chief Executive Officer C. HowardNye 63 5/22/2014 8/21/2006
Chief Financial Officer, Executive Vice President Michael J.Petro 42 8/4/2026 1/1/2021
Executive Vice President, Chief Operating Officer Christopher W.Samborski 45 5/1/2026 5/1/2026
9 additional Officers and Directors records available in full report.

Subsidiaries
Business Name Address City State/Province Country
BROOK HOLLOW PROPERTIES INC
BROOKHOLLOW CORP
BROOKHOLLOW OF ALEXANDRIA INC
26 additional Subsidiary records available in full report.

Business Names
Business Name
1560947 B.C. LTD., a British Columbia, Canada corporation
2M Lands, LLC
Acquisition Company 2, Inc.
128 additional Business Names available in full report.

General Information
Number of Employees: 9,600 (As of 1/31/2026)
Outstanding Shares: 71,019,382 (As of 8/21/2026)
Shareholders: 614
Stock Exchange: NYSE
Federal Tax Id: 561848578
Fax Number: (919) 783-4535


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Sunday, September 13, 2026