| IVImperial Vault Company | King | — | ◇ UNVERIFIED |
| ICInstyle Charlotte, INC. | Charlotte | — | ◇ UNVERIFIED |
| IMIntegrity Marble, INC. | Forest City | — | ◇ UNVERIFIED |
| IGIsland Glass Studios LLC | Point Harbor | — | ◇ UNVERIFIED |
| ILIvey Ln., INC. | Greensboro | — | ◇ UNVERIFIED |
| JIJason, INC. | Conover | — | ◇ UNVERIFIED |
| JDJ D & Dineen Wright Dba Wright Countertops | New Bern | — | ◇ UNVERIFIED |
| JHJericho Holdings, LLC | Kinston | — | ◇ UNVERIFIED |
| JCJohnson Concrete Company | Lexington | — | ◇ UNVERIFIED |
| JCJohnson Concrete Company | Willow Spring | — | ◇ UNVERIFIED |
| JEJohnson Enterprises of Fayetteville, INC. | Fayetteville | — | ◇ UNVERIFIED |
| JEJohnson Enterprises of Fayetteville, INC. | Fayetteville | — | ◇ UNVERIFIED |
| JTJ. T. Carolina Creations, INC | Calabash | — | ◇ UNVERIFIED |
| JHJuan Hernandez Dba Juan Hernandez | Raliegh | — | ◇ UNVERIFIED |
| KHKerr's Hickory Ready-mixed Concrete Company, INC. | Hickory | — | ◇ UNVERIFIED |
| KMKetchie Marble CO. of Nc, INC. | Salisbury | — | ◇ UNVERIFIED |
| KIKyocera Industrial Ceramics Corporation | Hendersonville | — | ◇ UNVERIFIED |
| LKLamb Kitchen & Bath Improvements, INC. Dba Granite | Morrisville | — | ◇ UNVERIFIED |
| LLLevy Lexington | Lexington | — | ◇ UNVERIFIED |
| LBLewis Brady Concrete | Fairmont | — | ◇ UNVERIFIED |
| LCL.l. Cultured Marble | Mount Airy | — | ◇ UNVERIFIED |
| LCLmp Concrete, INC. | Pink Hill | — | ◇ UNVERIFIED |
| LCLoflin Concrete CO -- High Point Road | Kernersville | — | ◇ UNVERIFIED |
| LCLoflin Concrete Company, INC. | Kernersville | — | ◇ UNVERIFIED |
| LSLuck Stone Corporation - Flat Rock Plant | Mount Airy | — | ◇ UNVERIFIED |
| MGMarble Granite World, INC. | Kernersville | — | ◇ UNVERIFIED |
| MCMarion Cultured Marble, Incorporated Dba Wilson Ma | Marion | — | ◇ UNVERIFIED |
| MGMarmolite Granite - Marble INC | Wilmington | — | ◇ UNVERIFIED |
| MMMartin Marietta Materials, INC. - Wilmington Concrete | Wilmington | — | ◇ UNVERIFIED |
| MRMasseys Readi-mix Concrete Incorporated | Burlington | — | ◇ UNVERIFIED |
| MCMathis Concrete, LLC | Jonesville | — | ◇ UNVERIFIED |
| MCMathis Concrete, Llc-roaring River | Roaring River | — | ◇ UNVERIFIED |
| MIMcad Inc., | Greensboro | — | ◇ UNVERIFIED |
| MIMcad Inc., Dba Carolina Custom Surfaces | Greensboro | — | ◇ UNVERIFIED |
| MCMc Concreters Nc INC. | Apex | — | ◇ UNVERIFIED |
| MCMike Chandley Dba Chandleys Granite Connection | Granite Falls | — | ◇ UNVERIFIED |
| MWMillstone Weber Portable Concrete Batch Plant ** Inactive ** | Jacksonville | — | ◇ UNVERIFIED |
| MTMill Tek Toll Grinders | Arden | — | ◇ UNVERIFIED |
| MMM - M Stone Sculpting | Todd | — | ◇ UNVERIFIED |
| MIMogastone, INC. | Cary | — | ◇ UNVERIFIED |
| MEMotsinger Enterprises, INC. Dba Motsinger Precast | Winston Salem | — | ◇ UNVERIFIED |
| MMMountain Marble - Granite, INC. | Biltmore Forest | — | ◇ UNVERIFIED |
| MLMttg LLC | Arden | — | ◇ UNVERIFIED |
| NGN2 Granite, INC. | Mooresville | — | ◇ UNVERIFIED |
| NGNatural Gallery Stone & Cabinet, LLC | Raleigh | — | ◇ UNVERIFIED |
| NCNco Custom Marble - Granite, LLC | Raleigh | — | ◇ UNVERIFIED |
| NKNEIL K WALSH & KIRSTIE D WALSH | Wilkesboro | — | ◇ UNVERIFIED |
| NNNew Ngc, INC. | Mount Holly | — | ◇ UNVERIFIED |
| OAOldcastle Apg South, INC. Dba Adams Products | Greensboro | — | ◇ UNVERIFIED |
| OGOldcastle Greensboro | Greensboro | — | ◇ UNVERIFIED |
