 Luxfer Magtech Saxonburg Plt | Saxonburg | PA | — | ◇ UNVERIFIED |
| LMLuxfer Mel Technologies Dba Mel Chemical-treatment Plant | Flemington | NJ | — | ◇ UNVERIFIED |
| LBLuxury Baths of San Antonio LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| LPLynn Plastics Company LLC | Lynn | MA | — | ◇ UNVERIFIED |
| LPLynx Processing Facility | Robstown | TX | — | ◇ UNVERIFIED |
| LLyondellbasell | Mansfield | TX | — | ◇ UNVERIFIED |
| LALyondellbasell Advanced Polymers INC | Bedford | VA | — | ◇ UNVERIFIED |
| LALyondellbasell Advanced Polymers INC. | Grand Junction | TN | — | ◇ UNVERIFIED |
| LALyondellbasell Advanced Polymers Incorporated | East Chicago | IN | — | ◇ UNVERIFIED |
| MPMaaco Pottstown | Pottstown | PA | — | ◇ UNVERIFIED |
| MPMaccourt Products INC | Denver | CO | — | ◇ UNVERIFIED |
| MCMacdonald Carbide CO INC | Baldwin Park | CA | — | ◇ UNVERIFIED |
| MMMack Molding | Arlington | VT | — | ◇ UNVERIFIED |
| MMMack Molding | Cavendish | VT | — | ◇ UNVERIFIED |
| MMMack Molding CO | Inman | SC | — | ◇ UNVERIFIED |
 Mack Molding Company, INC. | Statesville | NC | — | ◇ UNVERIFIED |
| MLMac Lean-fogg Company | Menomonee Falls | WI | — | ◇ UNVERIFIED |
| MPMacro Plastics INC | Fairfield | CA | — | ◇ UNVERIFIED |
| MPMacro Plastics INC | Lexington | KY | — | ◇ UNVERIFIED |
| MPMacro Plastics Washington | Union Gap | WA | — | ◇ UNVERIFIED |
| MPMacro Plastics Washington Ipl Global | Yakima | WA | — | ◇ UNVERIFIED |
| MIMadison Industries INC | Old Bridge | NJ | — | ◇ UNVERIFIED |
| MEMadstad Engineering, INC. | Dade City | FL | — | ◇ UNVERIFIED |
| MBMag Bay Yachts | Oak Hills | CA | — | ◇ UNVERIFIED |
| MCMagnaform Corporation | Van Buren | AR | — | ◇ UNVERIFIED |
| MIMagna International INC Dba Lexamar Corporation | Boyne City | MI | — | ◇ UNVERIFIED |
| MCMagnum Colors LLC | Venetia | PA | — | ◇ UNVERIFIED |
| MEMagoulas Enterprises | Joplin | MO | — | ◇ UNVERIFIED |
| MRMaguire Refining | Minneapolis | MN | — | ◇ UNVERIFIED |
| MFMahle Filter Systems | Murfreesboro | TN | — | ◇ UNVERIFIED |
| MIMaine Industrial Tire | Gorham | ME | — | ◇ UNVERIFIED |
| MMMajestic Marble CO | Leander | TX | — | ◇ UNVERIFIED |
| MMMajestic Marble & Glass CO | Youngsville | NC | — | ◇ UNVERIFIED |
| MHMAJRS Holdings LLC | Columbia | MO | — | ◇ UNVERIFIED |
| MLMakeitmarketusa.com LLC | Dunedin | FL | — | ◇ UNVERIFIED |
| MPMAKS Plastics, LLC | Elkhart | IN | — | ◇ UNVERIFIED |
| MPMaks Plastics, LLC | Mishawaka | IN | — | ◇ UNVERIFIED |
| MIMakuta INC. | Shelbyville | IN | — | ◇ UNVERIFIED |
| MPMaloney Plastics, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| MMManchester Molding & Mfg. Co., INC. | Manchester | CT | — | ◇ UNVERIFIED |
| MPManner Polymers INC | Mount Vernon | IL | — | ◇ UNVERIFIED |
| MHMann & Hummel | Portage | MI | — | ◇ UNVERIFIED |
| MHMann & Hummel USA INC. | South Bend | IN | — | ◇ UNVERIFIED |
| MTManns Towing/pottstown | Pottstown | PA | — | ◇ UNVERIFIED |
| MManpower | Sanford | ME | — | ◇ UNVERIFIED |
| MManpower | Decorah | IA | — | ◇ UNVERIFIED |
| MLManstone LLC - 105 Talamine Ct | Colorado Springs | CO | — | ◇ UNVERIFIED |
| MSManufacturing Services & Installation LLC | Lawrenceburg | TN | — | ◇ UNVERIFIED |
| MEMarathon Equipment | Phoenix | AZ | — | ◇ UNVERIFIED |
| MLMarathon LLC | Fontana | CA | — | ◇ UNVERIFIED |
| MLMarathon LLC | Martinez | CA | — | ◇ UNVERIFIED |
| MIMar-bal INC | Chagrin Falls | OH | — | ◇ UNVERIFIED |
| MCMarble Connection/cabinet Connection | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| MCMarble Crafters | Holly Hill | FL | — | ◇ UNVERIFIED |
| MDMarble Designs of Texas | San Antonio | TX | — | ◇ UNVERIFIED |
| MMMarble Makers INC | Duarte | CA | — | ◇ UNVERIFIED |
| MMMarble Masters of Texas INC | Seguin | TX | — | ◇ UNVERIFIED |
| MPMarble Palace | Stockton | CA | — | ◇ UNVERIFIED |
| MPMarble Prods INC | Webster | TX | — | ◇ UNVERIFIED |
| MQMarble Quarry INC | Mandeville | LA | — | ◇ UNVERIFIED |
| MPMarchem Pacific INC | Orange | CA | — | ◇ UNVERIFIED |
| MPMarchem Polyurethane Systems | Maryland Heights | MO | — | ◇ UNVERIFIED |
| MTMarchem Technologies | Long Beach | CA | — | ◇ UNVERIFIED |
| MIMariak Industrial | Compton | CA | — | ◇ UNVERIFIED |
| MEMarine Electrical Products | Lebanon | MO | — | ◇ UNVERIFIED |
 Marine Fenders International INC | Wilmington | CA | — | ◇ UNVERIFIED |
| MMMarine Muffler Corporation | Apopka | FL | — | ◇ UNVERIFIED |
| MCMarkel Corporation | Plymouth Meeting | PA | — | ◇ UNVERIFIED |
| MCMarketing Card Technology, LLC | Darien | IL | — | ◇ UNVERIFIED |
| MHMarketing Holders Real Estate LLC | Mims | FL | — | ◇ UNVERIFIED |
| MIMark I Molded Plastics of Tennessee | Henry | TN | — | ◇ UNVERIFIED |
| MLMark Lomakin | Port St. Lucie | FL | — | ◇ UNVERIFIED |
| MRMark Richey Woodworking & Design INC | Newburyport | MA | — | ◇ UNVERIFIED |
| MIMarlock INC | Maynardville | TN | — | ◇ UNVERIFIED |
| MPMarlo Plastic Products INC. | Manalapan | NJ | — | ◇ UNVERIFIED |
| MPMarlo Plastic Products, INC. | Neptune | NJ | — | ◇ UNVERIFIED |
| MGMaroon Group, LLC | Gardena | CA | — | ◇ UNVERIFIED |
| MGMarshall Gruber Systems, INC. | Mansfield | TX | — | ◇ UNVERIFIED |
| MAMartin Artisanal LLC | Tempe | AZ | — | ◇ UNVERIFIED |
| MMMartin Marietta Composites INC Sparta Facility | Sparta | NC | — | ◇ UNVERIFIED |
| MPMartin Plastic Converters INC | Englewood | CO | — | ◇ UNVERIFIED |
| MMarvin | Kansas City | KS | — | ◇ UNVERIFIED |
| MCMarvin Composites | Fargo | ND | — | ◇ UNVERIFIED |
| MPMaryland Plastics | Federalsburg | MD | — | ◇ UNVERIFIED |
| MRMasco Retail Cabinet Group | Waverly | OH | — | ◇ UNVERIFIED |
| MRMason Ridge LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| MLMass Lamination/hatfield | Hatfield | PA | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Construction Systems US | Newark | CA | — | ◇ UNVERIFIED |
| MLMastercast, LTD. | Pawtucket | RI | — | ◇ UNVERIFIED |
| MPMastercraft Pattern and Model Works INC / Fiberglass Reinforced Plastic Mfg Faci | North Miami | OK | — | ◇ UNVERIFIED |
| MIMasterfab INC | Goshen | IN | — | ◇ UNVERIFIED |
| MLMasterglas LLC | Lakeville | MN | — | ◇ UNVERIFIED |
| MMMaster Molded Products | Elgin | IL | — | ◇ UNVERIFIED |
| MMMaster Molders INC | Orangeburg | SC | — | ◇ UNVERIFIED |
| MIMastermolding, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| MLMastermold LLC | Watertown | WI | — | ◇ UNVERIFIED |
| MRMaster Recycling, INC. | Dade City | FL | — | ◇ UNVERIFIED |
| MHMastic Home Exteriors, INC. | Stuarts Draft | VA | — | ◇ UNVERIFIED |
| MPMatchless Plastics INC | Plymouth | MN | — | ◇ UNVERIFIED |
| MCMateenbar Composite Reinforcements, LLC | Concord | NC | — | ◇ UNVERIFIED |
