| AGAgassiz Granite Tops INC | Fergus Falls | — | ◇ UNVERIFIED |
| AIAggregate Industries | Ottertail | — | ◇ UNVERIFIED |
| AIAggregate Industries | Fergus Falls | — | ◇ UNVERIFIED |
| AIAggregate Industries | Forest Lake | — | ◇ UNVERIFIED |
| AIAggregate Industries INC | Hawley | — | ◇ UNVERIFIED |
| AIAggregate Industries - Mwr INC | Minneapolis | — | ◇ UNVERIFIED |
| AIAggregate Industries Mwr INC | Osseo | — | ◇ UNVERIFIED |
| AIAggregate Industries- Mwr INC | Mahnomen | — | ◇ UNVERIFIED |
| AGAhe Granite INC | Kimball | — | ◇ UNVERIFIED |
| ACAlexandria Concrete CO | Alexandria | — | ◇ UNVERIFIED |
| ACAlexandria Concrete Company Dba Wadena Ready Mix | Wadena | — | ◇ UNVERIFIED |
| ACAmcon Concrete Products, LLC | Saint Joseph | — | ◇ UNVERIFIED |
| ARAme Red-e-mix INC | Elk River | — | ◇ UNVERIFIED |
| ABAnchor Block CO - Brooklyn Park | Brooklyn Park | — | ◇ UNVERIFIED |
| ABAnchor Block CO - N St Paul | North Saint Paul | — | ◇ UNVERIFIED |
| ASApl Stone LLC | Hastings | — | ◇ UNVERIFIED |
| ALAstonia LLC | Minneapolis | — | ◇ UNVERIFIED |
| ALAstonia LLC | Rogers | — | ◇ UNVERIFIED |
| AAvr | Apple Valley | — | ◇ UNVERIFIED |
| AIAvr INC - Apple Valley Plant | Apple Valley | — | ◇ UNVERIFIED |
| ACAzotic Coating Technology INC | Rochester | — | ◇ UNVERIFIED |
| BRBallard Ready Mix INC | Anoka | — | ◇ UNVERIFIED |
| BVBallistic Vision Safety Glass Inc | Pine River | — | ◇ UNVERIFIED |
| BPBassbrook Products INC Dba Cohasset Concrete Produ | Cohasset | — | ◇ UNVERIFIED |
| BIBay Insulation of Minnesota INC | Minneapolis | — | ◇ UNVERIFIED |
| BPBelle Plaine Block and Tile INC | Belle Plaine | — | ◇ UNVERIFIED |
| BSBiesanz Stone Company | Winona | — | ◇ UNVERIFIED |
| BMBiwabik Mary Ellen Stone Company LLC | Biwabik | — | ◇ UNVERIFIED |
| BWBobs Wood Specialties INC Dba Credit River Granite | Burnsville | — | ◇ UNVERIFIED |
| BPBorgert Products | Saint Joseph | — | ◇ UNVERIFIED |
| BRBoyd & Royce L. L. C. | Minneapolis | — | ◇ UNVERIFIED |
| BMBraham Monument Company | Braham | — | ◇ UNVERIFIED |
| BBBrenny-dahl Block CO | Cloquet | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Saint Paul | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Esko | — | ◇ UNVERIFIED |
| BIBrown-wilbert INC | Mankato | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Austin | Austin | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Lakeville | Lakeville | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO - Mankato | Mankato | — | ◇ UNVERIFIED |
| CCCarlson Concrete Products INC | Duluth | — | ◇ UNVERIFIED |
| CICarstens Industries Fiberglass Manufacturing, Inc. | Melrose | — | ◇ UNVERIFIED |
| CDC & D Granite LLC | Richmond | — | ◇ UNVERIFIED |
| CBCemstone Batch Plant | Owatonna | — | ◇ UNVERIFIED |
| CCCemstone Concrete Materials LLC | Red Wing | — | ◇ UNVERIFIED |
| CPCemstone Products CO | Lakeland | — | ◇ UNVERIFIED |
| CPCemstone Products CO | Elk River | — | ◇ UNVERIFIED |
| CPCemstone Products CO - Blaine | Blaine | — | ◇ UNVERIFIED |
| CPCemstone Products CO INC Dba Wells Ready Mix | Wells | — | ◇ UNVERIFIED |
| CPCemstone Products Company | Aitkin | — | ◇ UNVERIFIED |
| CPCemstone Products Company | Farmington | — | ◇ UNVERIFIED |
