Martin Marietta Materials Southwest, LLC

Martin Marietta Materials Southwest, LLC operates 28 recorded mine and mineral-extraction sites across the United States, drawn from MSHA Mine Safety and Health Administration records. 23 are currently active. Total reported employee count across all sites: 716.

28Total Sites

23Active

3States

716Employees

Where Martin Marietta Materials Southwest, LLC Operates

State	Sites
Texas	24
Louisiana	3
Oklahoma	1

What Martin Marietta Materials Southwest, LLC Mines

Construction Sand and Gravel · 17Crushed, Broken Limestone NEC · 9Crushed, Broken Stone NEC · 1Sand, Common · 1

All Sites Operated by Martin Marietta Materials Southwest, LLC

Mine	State	County	Commodity	Status
Beckmann Quarry	Texas	Bexar	Crushed, Broken Limestone NEC	Active
Bridgeport Stone Plant	Texas	Wise	Crushed, Broken Limestone NEC	Active
Mill Creek Limestone Quarry	Oklahoma	Johnston	Crushed, Broken Limestone NEC	Active
Medina Rock & Rail	Texas	Medina	Crushed, Broken Limestone NEC	Active
Martin Marietta Slaton Plant	Texas	Crosby	Construction Sand and Gravel	Active
Hunter Stone	Texas	Comal	Crushed, Broken Stone NEC	Active
Garwood Plant	Texas	Colorado	Construction Sand and Gravel	Active
Tin Top Sand and Gravel Plant	Texas	Parker	Construction Sand and Gravel	Active
Bells/savoy Aggregate Operations	Texas	Fannin	Construction Sand and Gravel	Active
Martin Marietta Merkel Plant	Texas	Jones	Construction Sand and Gravel	Active
Webberville S&g	Texas	Travis	Construction Sand and Gravel	Active
Rio Medina	Texas	Medina	Crushed, Broken Limestone NEC	Active
Garfield Sand & Gravel	Texas	Travis	Construction Sand and Gravel	Active
Smithson Valley Quarry	Texas	Bexar	Construction Sand and Gravel	Active
Poteet Sand Plant	Texas	Atascosa	Construction Sand and Gravel	Active
Liberty Ranch	Texas	Liberty	Sand, Common	Active
San Pedro Quarry	Texas	Bexar	Crushed, Broken Limestone NEC	Active
Bedrock Plant	Texas	Kerr	Construction Sand and Gravel	Active
Black Spur Quarry	Texas	Uvalde	Crushed, Broken Limestone NEC	Active
211 Quarry	Texas	Bexar	Crushed, Broken Limestone NEC	Active
Portable Crusher #2	Texas	Hidalgo	Construction Sand and Gravel	Active
Perryville Aggregates Plant #2	Louisiana	Morehouse	Construction Sand and Gravel	Active
North Austin Quarry	Texas	Williamson	Construction Sand and Gravel	Active
Martin Marietta Vealmoor Plant	Texas	Borden	Construction Sand and Gravel	Intermittent
51 Sand and Gravel	Texas	Hood	Construction Sand and Gravel	Abandoned
Hondo #2	Texas	Medina	Crushed, Broken Limestone NEC	Abandoned
Jena Aggregates Plant	Louisiana	La Salle	Construction Sand and Gravel	Abandoned
Woodworth Aggregates	Louisiana	Rapides	Construction Sand and Gravel	Abandoned

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