| BCBuilders Concrete & Supply- Hillsboro | Hillsboro | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBuilders Concrete & Supply INC (air) | Hillsboro | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBuilders Concrete & Supply - Marion | Marion | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BSBuilders Sand & Cement CO | Silvis | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BSBuilders Supply Company | Montgomery | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BSBuilders Supply Company | Millbrook | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BSBuilders Supply Company | Montgomery | AL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BSBuilders Supply Company | Cookeville | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BBBuilding Blocks, INC | Kissimmee | FL | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BMBuilding Materials Manufacturing LLC | Nashville | TN | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| BPBuilding Products CORP | Belleville | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BDBulk Dried Materials Llc/hartley St Plt | York | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BDBulk Dried Materials Llc/workrite Masonry Plt | Thomasville | PA | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BMBulk Material Handling Plant | Galveston | TX | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| BABullard Abrasive Products | Westborough | MA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| BDBurgess Do It Center Sumter | Sumter | SC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBurnco Colorado - East Greeley Plant | Kersey | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| BCBurnco Colorado - Ft. Lupton Plant | Fort Lupton Area | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BCBurnco Colorado - Portable Screen/engine | Buena Vista | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BCBurnco Colorado - Portable Screen/engine | Henderson | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BPButler Plt 1 & 2 | Elgin | TX | Nonmetallic Mineral Product Manufacturing327121 | — | ◇ UNVERIFIED |
| BUBuzzi Unicem Ready Mix LLC Dba Memphis Ready Mix Millington Plant | Millington | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BUBuzzi Unicem Ready Mix LLC Dba Memphis Ready Mix Piperton Plant | Piperton | TN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BUBuzzi Unicem USA | Independence | KS | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| BUBuzzi Unicem USA Knoxville Distribution Terminal | Knoxville | TN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| BRByron Ready Mix | Byron | GA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCabarrus Concrete Co-salisbury | Salisbury | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICadman INC Gold Bar | Gold Bar | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| COCadman Orchards Facility | Vancouver | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCadman Seattle INC | Seattle | WA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCairn Studio LTD | Mooresville | NC | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| CMCalaveras Materials INC | Tracy | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CMCalaveras Materials INC | Lathrop | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CMCalaveras Materials INC | Turlock | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CPCalcium Products INC | Fort Dodge | IA | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| CUCalderys Usa, INC. (formerly Spar Inc) | Jacksonville | AL | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| CRCaldwell Ready-mix, INC. | Hudson | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCalifornia State University at Los Angeles | Los Angeles | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CCCallahan Concrete Company | Lexington | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCalportland Company Gary Plant | Las Vegas | NV | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCalportland Sandy Plant | Sandy | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCalstone Company | San Martin | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSCal St Univ Northridge | Northridge | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CDCambria Distribution Center | Orlando | FL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CCCameron Concrete-cameron | Cameron | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCampbell County Concrete (re-181) | Gillette | WY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCampbell Rmc Baytown | Baytown | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCampbell Rmc Porter | Porter | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CRCampbell Rmc Tomball | Tomball | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CAC and E Concrete - 340tph Concrete Batch Plant | Milan | NM | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
