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Company Name
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Plant Name
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Subsidiary
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City
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State/Province
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| Martin Marietta | Martin Marietta #198 Bosier City B | Southwest Division | Bosier City | Louisiana | | Builders Supply Company, Inc | Mansfield Plant | | Mansfield | Louisiana | | Martin Marietta | Martin Marietta #189 Jonesboro | Southwest Division | Jonesboro | Louisiana | | Martin Marietta | Martin Marietta #180 Jonesville | Southwest Division | Jonesville | Louisiana | | Martin Marietta | Martin Marietta #186 Monroe A | Southwest Division | Monroe | Louisiana | | Martin Marietta | Martin Marietta #190 Rouston | Southwest Division | Rouston | Louisiana | | Martin Marietta | Martin Marietta #194 Monroe B | Southwest Division | Monroe | Louisiana | | Martin Marietta | Martin Marietta #192 Rayville | Southwest Division | Rayville | Louisiana | | Martin Marietta | Martin Marietta #196 Shreveport | Southwest Division | Shreveport | Louisiana | | Martin Marietta | Martin Marietta #187 West Monroe | Southwest Division | West Monroe | Louisiana | | Chaney Enterprises | Waldorf | | Waldorf | Maryland | | LaFarge Holcim | Frederick | Aggregate Industries MAR | Frederick | Maryland | | Chaney Enterprises | Cambridge | | Cambridge | Maryland | | Chaney Enterprises | Waugh Chapel | | Gambrills | Maryland | | LaFarge Holcim | MAR Kirby Rd. (RM) | Aggregate Industries MAR | Clinton | Maryland | | LaFarge Holcim | MAR Beltsville (RM) | Aggregate Industries MAR | Beltsville | Maryland | | Chaney Enterprises | Upper Marlboro | | Upper Marlboro | Maryland | | LaFarge Holcim | Jessup | Aggregate Industries MAR | Jessup | Maryland | | LaFarge Holcim | Joppa | Aggregate Industries MAR | Joppa | Maryland | | LaFarge Holcim | Rockville | Aggregate Industries MAR | Rockville | Maryland | | LaFarge Holcim | MAR Rockville (RM) | Aggregate Industries MAR | Rockville | Maryland | | LaFarge Holcim | Bladensburg Plant | Aggregate Industries MAR | Hyattsville | Maryland | | Chaney Enterprises | Salisbury | | Salisbury | Maryland | | Howlin Concrete Inc. | Annapolis Junction | | Annapolis Juncton | Maryland | | Chaney Enterprises | Jessup | | Jessup | Maryland |
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