| JBJm Bean INC Dba Flair Fountains | Minneapolis | — | ◇ UNVERIFIED |
| KSKasota Stone Fabricators INC | Mankato | — | ◇ UNVERIFIED |
| KSKasota Stone Fabricators K1 Plant | Mankato | — | ◇ UNVERIFIED |
| KRKnife River Corporation | Saint Cloud | — | ◇ UNVERIFIED |
| KRKnife River Corporation - North Central | Brainerd | — | ◇ UNVERIFIED |
| KRKnife River Hutchinson Ready Mix | Hutchinson | — | ◇ UNVERIFIED |
| KRKnife River Little Falls North Ready Mix | Little Falls | — | ◇ UNVERIFIED |
| KRKnife River Milaca Ready Mix | Milaca | — | ◇ UNVERIFIED |
| KMKollmann Monumental Works INC | Saint Cloud | — | ◇ UNVERIFIED |
| KMKollmann Monumental Works INC | Saint Cloud | — | ◇ UNVERIFIED |
| KRKoski Ready Mix Sand & Gravel & Oil CO | Esko | — | ◇ UNVERIFIED |
| LMLaurentian Monument Granite and Stone LLC | Virginia | — | ◇ UNVERIFIED |
| LMLeaders Manufacturing INC | Willmar | — | ◇ UNVERIFIED |
| LMLeaders Manufacturing INC - Plant 2 | Willmar | — | ◇ UNVERIFIED |
| LCLeitzen Concrete Products, INC. | Rochester | — | ◇ UNVERIFIED |
| LHLund Holdings Inc | Maple Grove | — | ◇ UNVERIFIED |
| MMMarc Mahowald Dba Stone on Demand | Lake Elmo | — | ◇ UNVERIFIED |
| MCMarshall Concrete Products INC | Hutchinson | — | ◇ UNVERIFIED |
| MWMarvin Windows INC Dba Marvin Windows and Doors | Warroad | — | ◇ UNVERIFIED |
| MCMenahga Concrete Products INC - Nonmetallic | Menahga | — | ◇ UNVERIFIED |
| MMMercury Mosaics & Tile INC | Minneapolis | — | ◇ UNVERIFIED |
| MMMercury Mosaics Wadena | Wadena | — | ◇ UNVERIFIED |
| MMMercury Mosaics Wadena | Wadena | — | ◇ UNVERIFIED |
| MCMid-minnesota Concrete LLC | Annandale | — | ◇ UNVERIFIED |
 Minneapolis Glass | Brooklyn Park | — | ◇ UNVERIFIED |
| Minneapolis Glass CO | Minneapolis | — | ◇ UNVERIFIED |
| MCMinnesota Clay CO USA | Minneapolis | — | ◇ UNVERIFIED |
| MCModern Concrete Incorporated | Moorhead | — | ◇ UNVERIFIED |
| MCMolin Concrete Products Company | Anoka | — | ◇ UNVERIFIED |
| MSMonumental Sales INC | Saint Cloud | — | ◇ UNVERIFIED |
| MOM Ostman - D Burton Dba North Star Ready Mix | Two Harbors | — | ◇ UNVERIFIED |
| NANorth American Pipe & Precast | Courtland | — | ◇ UNVERIFIED |
| NANorthern Aggregate INC | Bemidji | — | ◇ UNVERIFIED |
| NMNorthland Monument INC of Longville | Longville | — | ◇ UNVERIFIED |
| NPNorth Prairie Tileworks INC | Minneapolis | — | ◇ UNVERIFIED |
| NCNorthwest Concrete Products INC | Roseau | — | ◇ UNVERIFIED |
| OSO'brien Stained Glass CO INC | Rollingstone | — | ◇ UNVERIFIED |
| OBOldcastle Building Envelope INC | Albertville | — | ◇ UNVERIFIED |
| OPOldcastle Precast INC | Elk River | — | ◇ UNVERIFIED |
| PGPacific Granite L.L.C. | Eagan | — | ◇ UNVERIFIED |
| PGParamount Granite Company | Saint Michael | — | ◇ UNVERIFIED |
| PCPorta-mix Concrete INC | East Grand Forks | — | ◇ UNVERIFIED |
| PSPreferred Sands of Minnesota LLC | Woodbury | — | ◇ UNVERIFIED |
| PAPremier Aquarium Service, Inc. | St. Louis Park | — | ◇ UNVERIFIED |
| PMPremier Monument Setting, LLC | Sartell | — | ◇ UNVERIFIED |
| PSPremier Stone Design INC | Saint Cloud | — | ◇ UNVERIFIED |
| RCRapid Clamp Inc | Plymouth | — | ◇ UNVERIFIED |
| RMReady Mix Concrete CO LLC Dba Zumbrota Ready Mix | Zumbrota | — | ◇ UNVERIFIED |
| RMReady Mix Concrete Company LLC | Austin | — | ◇ UNVERIFIED |
| RCReady-mix Concrete Company of Austin | Austin | — | ◇ UNVERIFIED |
