| MMM & M Precast INC | North East | MD | — | ◇ UNVERIFIED |
| MMM & M Ready Mixed Concrete, INC. | Hixson | TN | — | ◇ UNVERIFIED |
| MIMoasis, INC. | San Jose | CA | — | ◇ UNVERIFIED |
| MMMobile Mini | Gardena | CA | — | ◇ UNVERIFIED |
| MPMobile Pre Mix-brighton | Brighton, 0.5 Mi Nw of | CO | — | ◇ UNVERIFIED |
| MPMobile Premix Conc.cn | Lone Tree | CO | — | ◇ UNVERIFIED |
| MPMobile Premix Concrete | Henderson | CO | — | ◇ UNVERIFIED |
| MPMobile Premix INC Permit 85lr150 | Fort Collins | CO | — | ◇ UNVERIFIED |
| MRMobile Regional Airport Concrete Batch Plant Location | Mobile | AL | — | ◇ UNVERIFIED |
| MOMobil Oil Plano | Plano | TX | — | ◇ UNVERIFIED |
| MCMobley Concrete Company | Harrisburg | AR | — | ◇ UNVERIFIED |
| MCMoca Concrete Poles INC. | Moca | PR | — | ◇ UNVERIFIED |
| MMocon | Fulton | MO | — | ◇ UNVERIFIED |
| MCMo Concrete | Greenville | IL | — | ◇ UNVERIFIED |
| MIMo-con Inc-millersburg | Fulton | MO | — | ◇ UNVERIFIED |
| MCModern Concrete | Elko | NV | — | ◇ UNVERIFIED |
| MCModern Concrete, INC. | Battle Mountain | NV | — | ◇ UNVERIFIED |
| MWModern Waste Solutions, INC. | Sacramento | CA | — | ◇ UNVERIFIED |
| MTModesto Thc INC | Modesto | CA | — | ◇ UNVERIFIED |
| MRMoeller Ready Mix INC | Meredosia | IL | — | ◇ UNVERIFIED |
| MRMoffat Ready Mix | Craig | CO | — | ◇ UNVERIFIED |
| MFMohawk Finishing Products Site Former-rpm | Amsterdam | NY | — | ◇ UNVERIFIED |
| MRMolalla Redi-mix & Rock Products INC | Molalla | OR | — | ◇ UNVERIFIED |
| MGMolecular Glasses inc. | Rochester | NY | — | ◇ UNVERIFIED |
| MIMoleculax INC | Pasadena | CA | — | ◇ UNVERIFIED |
| MCMolin Concrete Products Company | Anoka | MN | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals INC. | Brady | TX | — | ◇ UNVERIFIED |
| MPMonahans Plant | Monahans | TX | — | ◇ UNVERIFIED |
| MLMonierlifetile L L C | Kansas City | MO | — | ◇ UNVERIFIED |
| MLMonierlifetile L L C | Boca Raton | FL | — | ◇ UNVERIFIED |
| MLMonierlifetile LLC | San Bernardino | CA | — | ◇ UNVERIFIED |
| MRMonmouth Ready Mix CORP | Monmouth | IL | — | ◇ UNVERIFIED |
| MIMonroc INC 00146 | Saint Anthony | ID | — | ◇ UNVERIFIED |
| MCMonroe Concrete Products INC. | Key West | FL | — | ◇ UNVERIFIED |
| MGMonroe Graphics Portable Ready Mix | Monroe | LA | — | ◇ UNVERIFIED |
| MCMonsanto Chemical Company | Long Beach | CA | — | ◇ UNVERIFIED |
| MCMontezuma Concrete LLC | Montezuma | KS | — | ◇ UNVERIFIED |
| MHMontgomery Hma | Montgomery | TX | — | ◇ UNVERIFIED |
| MCMontrose Concrete | Montrose | CO | — | ◇ UNVERIFIED |
| MRMontrose Rmc Plant | Montrose | CO | — | ◇ UNVERIFIED |
| MBMoon Blue LLC | San Diego | CA | — | ◇ UNVERIFIED |
| MCMoon Concrete Services, INC. - Tanner | Tanner | AL | — | ◇ UNVERIFIED |
| MMMoonlight Molds, INC. | Gardena | CA | — | ◇ UNVERIFIED |
| MCMoore Construction | Dana Point | CA | — | ◇ UNVERIFIED |
| MRMoore Ready Mix LLC | State Wide | GA | — | ◇ UNVERIFIED |
| MCMorgan Concrete CO. - Commerce Plant | Commerce | GA | — | ◇ UNVERIFIED |
| MKMorrison Knudsen (mk Ferguson) | Littleton | CO | — | ◇ UNVERIFIED |
| MRMorse Ready Mix | Lakeville | MA | — | ◇ UNVERIFIED |
| MMorseremco | Lakeville | MA | — | ◇ UNVERIFIED |
| MPMortex Products, INC. | Indianapolis | IN | — | ◇ UNVERIFIED |
| MDMorwet Detergent Plant | Fort Worth | TX | — | ◇ UNVERIFIED |
| MCMoss Copy Center | Denver | CO | — | ◇ UNVERIFIED |
| MOM Ostman - D Burton Dba North Star Ready Mix | Two Harbors | MN | — | ◇ UNVERIFIED |
| MEMotsinger Enterprises, INC. Dba Motsinger Precast | Winston Salem | NC | — | ◇ UNVERIFIED |
| MCMountain Construction CO - Concrete Plant | Grays Knob | KY | — | ◇ UNVERIFIED |
| MCMountain Construction - Loyall Plant | Loyall | KY | — | ◇ UNVERIFIED |
| MGMountain Garden Center | Mountain View | CA | — | ◇ UNVERIFIED |
| MMMountain Mobile Mix | Minturn | CO | — | ◇ UNVERIFIED |
| MRMountain Redi Mix | Durango | CO | — | ◇ UNVERIFIED |
| MSMountain Strong Concrete, Inc. | Tacoma | WA | — | ◇ UNVERIFIED |
| MCMount Carmel | Mt. Carmel | UT | — | ◇ UNVERIFIED |
| MGMsci Gcp5 No1 | House | NM | — | ◇ UNVERIFIED |
| MMsd | Louisville | KY | — | ◇ UNVERIFIED |
| MSM & S Recycling, LLC | Bethlehem | PA | — | ◇ UNVERIFIED |
| MCMst Concrete Products Incorporated | Central | SC | — | ◇ UNVERIFIED |
| MBMt Baker Silo INC | Lynden | WA | — | ◇ UNVERIFIED |
| MRMultichem Rifle Facility | Rifle | CO | — | ◇ UNVERIFIED |
| MCMulzer Crushed Stone Incorporated Dba Central Concrete & Supply | Jasper | IN | — | ◇ UNVERIFIED |
| MCMurray Concrete Batch Plant G-2 | Murray | UT | — | ◇ UNVERIFIED |
| MMMurray Mix Concrete | Chatsworth | GA | — | ◇ UNVERIFIED |
| MTMurrill Tank Service, INC. | Mobile | AL | — | ◇ UNVERIFIED |
| MTMurton Trucking, LLC | Twinsburg | OH | — | ◇ UNVERIFIED |
| MSMv Silsbee Rm | Silsbee | TX | — | ◇ UNVERIFIED |
| MAMykawa Asphalt Concrete Plant | Houston | TX | — | ◇ UNVERIFIED |
| NCNabr Carbondale LLC | Carbondale | IL | — | ◇ UNVERIFIED |
| NNalco | San Bernardino | CA | — | ◇ UNVERIFIED |
| NANalco an Ecolab Company | Bryan | TX | — | ◇ UNVERIFIED |
| NCNalco Company | Lathrop | CA | — | ◇ UNVERIFIED |
| NCNalco Company | Maiden | NC | — | ◇ UNVERIFIED |
 Nalco Production Texarkana | Texarkana | TX | — | ◇ UNVERIFIED |
| NCNanogram Corporation | Milpitas | CA | — | ◇ UNVERIFIED |
| NDNanogram Devices Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| NNanoh20 | El Segundo | CA | — | ◇ UNVERIFIED |
| NTNanointegris Technologies INC | Menlo Park | CA | — | ◇ UNVERIFIED |
| NINanosyn INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| NMNanotech Metals, INC. | Lakeland | FL | — | ◇ UNVERIFIED |
| NBNarvick Bros Lumber CO INC | Sandwich | IL | — | ◇ UNVERIFIED |
| NBNarvick Brothers Lumber CO INC | Joliet | IL | — | ◇ UNVERIFIED |
| NBNarvick Brothers Lumber CO INC | Dwight | IL | — | ◇ UNVERIFIED |
| NBNarvick Brothers Lumber CO INC | Joliet | IL | — | ◇ UNVERIFIED |
| NBNarvick Brothers Lumber CO INC | Channahon | IL | — | ◇ UNVERIFIED |
| NRNashville Ready Mix, INC. | Lebanon | TN | — | ◇ UNVERIFIED |
| NRNashville Ready Mix Mobile Plant #2 | Lebanon | TN | — | ◇ UNVERIFIED |
| NRNashville Ready Mix of Clarksville, LLC | Clarksville | TN | — | ◇ UNVERIFIED |
| NRNational Ready Mix Concrete CO | South Gate | CA | — | ◇ UNVERIFIED |
| NRNational Ready Mix Concrete CO | Corona | CA | — | ◇ UNVERIFIED |
| NRNational Ready Mixed Concrete | Hidden Hills | CA | — | ◇ UNVERIFIED |
| NRNational Ready Mixed Concrete CO | Saugus | CA | — | ◇ UNVERIFIED |
| NRNational Ready Mixed Concrete CO. | Irwindale | CA | — | ◇ UNVERIFIED |
| NRNatural Remedies Consulting | Modesto | CA | — | ◇ UNVERIFIED |
