| JBJohns Building Supply CO. INC. | Cheshire | MA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| JCJohnson Concrete Company | Willow Spring | NC | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| JSJoplin Stoneworks LLC | Duenweg | MO | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| JMJoseph Mining CO | Mcdowell | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| KIKellystone, INC. | Lake Charles | LA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| KCKeystone Concrete Block and Supply Company, INC. | Scranton | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| KCKeystone Concrete Block INC. | Clarks Summit | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| KKoss #108 | North Little Rock | AR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LCLargo Concrete | Colton | CA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LCLarson Cement Stone CO | Omaha | NE | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LMLee Masonry Products INC | Hopkinsville | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LMLee Masonry Products INC | Bardstown | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LMLee Masonry Products INC | Antioch | TN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LMLee Masonry Products LLC | Bowling Green | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LPLivonia Pre Cast LLC | Livonia | MI | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LLL.K. Lehman Trucking, Inc | Sonora | CA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LCLoby Concrete Products CO | La Follette | TN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LMLojac Materials INC | Lebanon | TN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| LPL P Mcnear Brick CO INC | San Rafael | CA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MFManuel Flores Concrete Construction INC | Calexico | CA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MLMarcaco LLC | Albany | NY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MCMarshall Concrete Products INC | Hutchinson | MN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MCMartinsburg Concrete Products | Martinsburg | WV | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MSMatt Stone CO INC | Lexington | KY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MAMckinney Ave Plt | Houston | TX | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MCMcMaster Concrete Products of Haines City, LLC (TDN Holdings, LLC | Haines City | FL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MDMenards Distribution Center | Mckenzie | ND | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MBMeridian Brick Llc, Bessemer Plant No. 6, LLC | Bessemer | AL | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| MCMidland Concrete Products | Hiawatha | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MNM & N Manufacturing | Poughkeepsie | NY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MCModern Concrete Incorporated | Moorhead | MN | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MSMonty Sanitation | Fort Myers | FL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MEMotsinger Enterprises, INC. Dba Motsinger Precast | Winston Salem | NC | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MMMudart Molds | Pocatello | ID | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| MMMutual Materials Company | Clackamas | OR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NCNative Custom Stone, LLC | Dawsonville | GA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NINebco INC. | Grand Island | NE | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NCNeosho Concrete Products Company | Neosho | MO | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NENew Erie Bella Vista | Hiwasse | AR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NINewoods, INC. | Little Rock | AR | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NBNorthfield Block CO | Mundelein | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OCOdum Concrete Products INC | West Frankfort | IL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OAOldcastle Apg - Loveland | Loveland | CO | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OAOldcastle Apg Northeast INC. | Fishers | NY | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OAOldcastle Apg South, INC. | Montgomery | AL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OAOldcastle Apg South, INC. Dba Adams Products | Greensboro | NC | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OCOld Castle INC 4d | Midland | MI | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OPOldcastle Precast Pipe | Folsom | NJ | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OPOrange Pavers LLC | Stroudsburg | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OBOrco Block CO INC | Banning | CA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
