| Company | City | State / Province | Country | Phone | Website |
|---|---|---|---|---|---|
| Nitterhouse Masonry Products, LLC | Chambersburg | PA | US | (717) 267-4500 | nitterhousemasonry.com |
| Nitterhouse Stone | Chambersburg | PA | US | (717) 369-3773 | nitterhousemasonry.com |
| Norse Building Products, Inc. | Allenton | WI | US | (262) 629-9330 | norsebuildingproducts.com |
| Northfield an Oldcastle Company | Sheffield Village | OH | US | (440) 949-1167 | northfieldblock.com |
| Northfield an Oldcastle Company | Shakopee | MN | US | (770) 522-5600 | |
| Northfield an Oldcastle Company | Mundelein | IL | US | (770) 522-5600 | northfieldblock.com |
| Northfield an Oldcastle Company | Indianapolis | IN | US | (770) 522-5600 | northfieldblock.com |
| Northfield an Oldcastle Company | Kansas City | MO | US | (770) 522-5600 | millermaterials.com |
| Northfield an Oldcastle Company | Bridgeport | MI | US | (770) 522-5600 | northfieldblock.com |
| Northfield an Oldcastle Company | Forest View | IL | US | (770) 522-5600 | northfieldblock.com |