Company Name   Plant Name   Subsidiary   City   State/Province 
Concrete Supply Co., LLCRock Hill Rock HillSouth Carolina
Concrete Supply Co., LLCPorter Rd Rock HillSouth Carolina
Ozinga Ready Mix ConcreteRockford PlantIllinois North DivisionRockfordIllinois
Consumers Concrete CorporationRockford RockfordMichigan
Rockville Fuel & Feed Co, Inc.Rockville RockvilleMaryland
LaFarge HolcimRockvilleAggregate Industries MARRockvilleMaryland
LaFarge HolcimMAR Rockville (RM)Aggregate Industries MARRockvilleMaryland
Chandler Concrete Co., Inc.Rocky Gap - 713Chandler VirginiaRocky GapVirginia
Chandler Concrete Co., Inc.Rocky Mount - 714Chandler VirginiaRocky MountVirginia
LaFarge HolcimNCR Rogers (RM)Aggregate Industries NCR-TCRogers Minnesota
CRHStandard Materials Group-RogersStandard Materials Group, Inc.RogersArkansas
Arkhola Ready Mix,� APAC-Central, Inc.05010, RogersA �CRH� CompanyRogersArkansas
LaFarge HolcimNCR Rollag RMX (RM)Aggregate Industries NCRRollag RMX Minnesota
CEMEX Inc.Rome RomeGeorgia
VCNA Prairie LLCYard 1006/RomeovillePrairie MaterialRomeovilleIllinois
Superior Materials Holdings LLC.ROMULUS 35 ROMULUSMichigan
Ozinga Ready Mix ConcreteRoscoe PlantIllinois North DivisionRoscoeIllinois
CemstoneUmore Plant #38Cemstone Products CompanyRosemountMinnesota
Lehigh HansonRosenbergRegion SouthRosenbergTexas
Summit MaterialsPlant 1 - Reading RdAlleyton Resource CompanyRosenbergTexas
Martin MariettaMartin Marietta #219 RosenfeldSouthwest DivisionRosenfeldTexas
CEMEX Inc.Roseville RosevilleCalifornia
Folsom Ready Mix, Inc.Roseville Plant 4 RosevilleCalifornia
Summit MaterialsPlant 9Alleyton Resource CompanyRosharonTexas
CEMEX Inc.Arcola RosharonTexas
 
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