| MPMarathon Pipeline LLC | Effingham | IL | — | ◇ UNVERIFIED |
| MMMarble Machine, INC. | Danville | IL | — | ◇ UNVERIFIED |
| MWMarble Works of Pensacola, INC. | Pensacola | FL | — | ◇ UNVERIFIED |
| MHMarc Holt | San Diego | CA | — | ◇ UNVERIFIED |
| MIMarc Ii INC | Portland | OR | — | ◇ UNVERIFIED |
| MIMarc Ii INC | Gresham | OR | — | ◇ UNVERIFIED |
| MMMarco Machine LLC | Morgantown | WV | — | ◇ UNVERIFIED |
| MMMarco Manufacturing CO. | Akron | OH | — | ◇ UNVERIFIED |
| MMMarcres Manufacturing, INC. Dba Macres Metal Works | Mount Prospect | IL | — | ◇ UNVERIFIED |
| MWMarcus Warrick Racing LLC | Adams | TN | — | ◇ UNVERIFIED |
| MIMarelco, INC. and Its Successors and Assigns | Beltsville | MD | — | ◇ UNVERIFIED |
| MMMarelich Mechanical Co, INC | Hayward | CA | — | ◇ UNVERIFIED |
| MSMaricopa Sign Company LLC | Maricopa | AZ | — | ◇ UNVERIFIED |
| MMMari Manufacturing & Engineering, INC. | West Chicago | IL | — | ◇ UNVERIFIED |
| MSMarina Security Gate, INC. | Gardena | CA | — | ◇ UNVERIFIED |
| MEMarine Equipment Supply LLC | Chula Vista | CA | — | ◇ UNVERIFIED |
| MPMarine Parts House | San Dimas | CA | — | ◇ UNVERIFIED |
| MTMarino Truck & Equipment Repair | Rockdale | IL | — | ◇ UNVERIFIED |
| MMarino/ware | Pasadena | TX | — | ◇ UNVERIFIED |
| MGMarion Gas | Marion | IL | — | ◇ UNVERIFIED |
| MAMark Arganbright | Shumway | IL | — | ◇ UNVERIFIED |
| MMMarkco Machine Works INC. | Odessa | TX | — | ◇ UNVERIFIED |
| MEMarketing Equity Associates, Inc - DBA Signs By Tomorrow | Ann Arbor | MI | — | ◇ UNVERIFIED |
| MIMarketshare INC | San Jose | CA | — | ◇ UNVERIFIED |
| MKMark Knoedler | Ijamsville | MD | — | ◇ UNVERIFIED |
| MIMarkline Industries | Bristol | IN | — | ◇ UNVERIFIED |
| MMMark Manufacturing | Saint Paul | MN | — | ◇ UNVERIFIED |
| MMMark Mocilan | Peoria | IL | — | ◇ UNVERIFIED |
| MOMark One Corporation | Ceres | CA | — | ◇ UNVERIFIED |
| MCMark's Custom Signs INC. | Great Bend | KS | — | ◇ UNVERIFIED |
| MDMarks Design & Metalworks | Vancouver | WA | — | ◇ UNVERIFIED |
| MSMark Sheppard | Mansfield | IL | — | ◇ UNVERIFIED |
| MMMarksman Metal Company INC | Saint Michael | MN | — | ◇ UNVERIFIED |
| MSMark S Potter Sr | Colona | IL | — | ◇ UNVERIFIED |
| MWMarks Welding & Fabricating | Thorsby | AL | — | ◇ UNVERIFIED |
| MAMarkuly Auto Electric | Madison | IL | — | ◇ UNVERIFIED |
| MFMarlatt Fabricators INC. | Sandia | TX | — | ◇ UNVERIFIED |
| MCMarley Cooling Tower -bldg 13 | Chicago | IL | — | ◇ UNVERIFIED |
| MPMarlton Pike Precision | Cherry Hill | NJ | — | ◇ UNVERIFIED |
| MMMaroa Millworks | Maroa | IL | — | ◇ UNVERIFIED |
| MMMaro Manufacturing, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| MMMarquardt & Mueller Machining, INC | Woodstock | IL | — | ◇ UNVERIFIED |
| MGMarquette Gas | Chicago | IL | — | ◇ UNVERIFIED |
| MMMarquon Miracle Mart | Maquon | IL | — | ◇ UNVERIFIED |
| MQMarrs Quik Stop | Chandlerville | IL | — | ◇ UNVERIFIED |
| MAMarshall and Associates, Inc. | Boise | ID | — | ◇ UNVERIFIED |
| MRMarshall Ruby INC | Frostburg | MD | — | ◇ UNVERIFIED |
| MSMarshall Signs LLC | Claremore | OK | — | ◇ UNVERIFIED |
| MMMarshal Machinery INC | San Clemente | CA | — | ◇ UNVERIFIED |
| MIMarstan INC | Coon Rapids | MN | — | ◇ UNVERIFIED |
| MCMarta Cohen Trust Property | Decatur | IL | — | ◇ UNVERIFIED |
| MEMart Express | Broadview | IL | — | ◇ UNVERIFIED |
| MOMarthon One Stop Shoppe | Newton | IL | — | ◇ UNVERIFIED |
| MIMarti, Inc. | Bemidji | MN | — | ◇ UNVERIFIED |
| MCMartin & Co. Capital Management LLC | Hamilton | OH | — | ◇ UNVERIFIED |
| MCMartin Commercial Excavating LLC | Rock Island | IL | — | ◇ UNVERIFIED |
| MGMartin Garage Doors of Nevada LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| MGMartin Garage Doors of Nevada, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| MOMartin Oil of Indiana 709 | Chicago | IL | — | ◇ UNVERIFIED |
| MSMartino Signs Inc. | Lansdowne | PA | — | ◇ UNVERIFIED |
| MSMartino Signs Inc. | Lansdowne | PA | — | ◇ UNVERIFIED |
 Martin's Custom Designs INC | Newport News | VA | — | ◇ UNVERIFIED |
| MCMartins Custom Designs INC | Gloucester Point | VA | — | ◇ UNVERIFIED |
| MSMartin Sheet Metal, INC. | Amarillo | TX | — | ◇ UNVERIFIED |
| MTMartin Technology | Rockford | IL | — | ◇ UNVERIFIED |
| MWMartin Welding and Fabrication LLC | Contoocook | NH | — | ◇ UNVERIFIED |
| MMMarvel Machining Enterprises LLC | Bensenville | IL | — | ◇ UNVERIFIED |
| MKMarvin Keller Trucking INC | Sullivan | IL | — | ◇ UNVERIFIED |
| MDMarx Digital Mfg, Inc | Las Vegas | NV | — | ◇ UNVERIFIED |
| MSMaryland Signs and Graphics, LLC | Towson | MD | — | ◇ UNVERIFIED |
| MSMaryland Structural Fabricators INC | Millington | MD | — | ◇ UNVERIFIED |
| MSMarzetta Signs | Vacaville | CA | — | ◇ UNVERIFIED |
| MHMascotte Home Security Products INC | Portland | OR | — | ◇ UNVERIFIED |
| MCMason Corporation | Jemison | AL | — | ◇ UNVERIFIED |
| MCMason Corporation | Birmingham | AL | — | ◇ UNVERIFIED |
| MDMasonite Door Corporation | Richmond | IN | — | ◇ UNVERIFIED |
| MMMason Machinings INC | Morristown | TN | — | ◇ UNVERIFIED |
| MLMasonmarine.net LLC | San Dimas | CA | — | ◇ UNVERIFIED |
| MOMason & Overstreet Welding & Machine Works, INC. | Pearl | MS | — | ◇ UNVERIFIED |
| MCMass Custom Hauling INC | Milan | IL | — | ◇ UNVERIFIED |
| MMMassey Metals INC. | Tampa | FL | — | ◇ UNVERIFIED |
| MLMassivemake LLC | Orlando | FL | — | ◇ UNVERIFIED |
| MMMass. Machine, INC. | Westwood | MA | — | ◇ UNVERIFIED |
| MMMasteq Manufacturing, LLC | New Berlin | WI | — | ◇ UNVERIFIED |
| MBMaster Bilt Products Site 2 | New Albany | MS | — | ◇ UNVERIFIED |
| MBMaster Built Billboard LLC | Jackson | TN | — | ◇ UNVERIFIED |
| MSMastercare Shutter Corporation | Hobe Sound | FL | — | ◇ UNVERIFIED |
| MPMastercore Products | San Marcos | CA | — | ◇ UNVERIFIED |
| MMMastercraft Machine INC | West Valley City | UT | — | ◇ UNVERIFIED |
| MFMaster Fabrication LLC | Knoxville | IA | — | ◇ UNVERIFIED |
| MMMaster Machine, INC. | Houston | TX | — | ◇ UNVERIFIED |
| MMMaster Machine, INC. | Blaine | MN | — | ◇ UNVERIFIED |
| MMMaster Matic INC | Osseo | MN | — | ◇ UNVERIFIED |
| MSMaster Sheet Metal, INC. | Schofield Barracks | HI | — | ◇ UNVERIFIED |
| MLMasterSigns LLC | Rogers | MN | — | ◇ UNVERIFIED |
| MLMasterSigns LLC | Saint Michael | MN | — | ◇ UNVERIFIED |
 Masters Machine, LLC | Richmond | MI | — | ◇ UNVERIFIED |
| Masters Machine Shop INC | Mankato | MN | — | ◇ UNVERIFIED |
| MPMasters Precision Machining Inc. | Kent | OH | — | ◇ UNVERIFIED |
| MSMaster Swaging, INC. | Jackson Center | OH | — | ◇ UNVERIFIED |
