| LPLinn Products INC | Charlotte | MI | Primary Metal Manufacturing331312 | 100-499 | ◐ LIKELY ACTIVE |
| LCLisle CORP | Clarinda | IA | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| LML & M Radiator, INC. | Yankton | SD | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
Louisiana-pacific CORP Clarke County Osb | Thomasville | AL | Wood Product Manufacturing321219 | 100-499 | ◐ LIKELY ACTIVE |
Louisiana-pacific Corporation | Two Harbors | MN | Wood Product Manufacturing321219 | 100-499 | ◐ LIKELY ACTIVE |
Louisiana Pacific Corporation \2013 Green Bay | Green Bay | WI | Wood Product Manufacturing321219 | 100-499 | ◐ LIKELY ACTIVE |
Louisiana-pacific Corporation-hayward | Hayward | WI | Wood Product Manufacturing321210 | 100-499 | ◐ LIKELY ACTIVE |
| LPLouisville Packaging | Louisville | KY | Chemical Manufacturing325120 | 100-499 | ◐ LIKELY ACTIVE |
| LILpi, INC. | Johnson City | TN | Plastics and Rubber Products Manufacturing326191 | 100-499 | ◐ LIKELY ACTIVE |
| LMLucas Milhaupt INC | Warwick | RI | Primary Metal Manufacturing331420 | 100-499 | ◐ LIKELY ACTIVE |
| LOLucas Oil Products INC | Corydon | IN | Petroleum and Coal Products Manufacturing324191 | 100-499 | ◐ LIKELY ACTIVE |
| MSMaax Spas Industries CORP. | Chandler | AZ | Chemical Manufacturing325991 | 100-499 | ◐ LIKELY ACTIVE |
| MIMadico, INC | Pinellas Park | FL | Paper Manufacturing322220 | 100-499 | ◐ LIKELY ACTIVE |
| MEMagna Electric Vehicle Structures | Saint Clair | MI | Electrical Equipment, Appliance & Component Manufacturing335999 | 100-499 | ◐ LIKELY ACTIVE |
| MBMahle Behr Mt Sterling INC | Mount Sterling | OH | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| MFMahoney Foundries | Kendallville | IN | Primary Metal Manufacturing331524 | 100-499 | ◐ LIKELY ACTIVE |
| MFManulife Financial | Libertyville | IL | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| MEMarley Engineered Products | Bennettsville | SC | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |
| MEMarmen Energy Company | Brandon | SD | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| MUMarmon Utility LLC | Milford | NH | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| MSMartin Sprocket and Gear, INC. | Paragould | AR | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MBMastercraft Boat Company | Vonore | TN | Transportation Equipment Manufacturing336612 | 100-499 | ◐ LIKELY ACTIVE |
| MSMatalco Shelbyville LLC | Shelbyville | KY | Primary Metal Manufacturing331314 | 100-499 | ◐ LIKELY ACTIVE |
Matthews International Corporation | Searcy | AR | Primary Metal Manufacturing331522 | 100-499 | ◐ LIKELY ACTIVE |
| MTMaverick Tube | Conroe | TX | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| MMMay Manufacturing LLC Dba Artesian Spas | Las Vegas | NV | Plastics and Rubber Products Manufacturing326191 | 100-499 | ◐ LIKELY ACTIVE |
| MDMedical Device Components, LLC | San Diego | CA | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| MMMerchants Metals | Houston | TX | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| MIMerrick Industries | Lynn Haven | FL | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville-beaver Dam | Beaver Dam | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville - Fall River | Fall River | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| MRMetalsa Roanoke INC | Roanoke | VA | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| MIMetaltek Intl - Wisconsin Investcast | Watertown | WI | Primary Metal Manufacturing331510 | 100-499 | ◐ LIKELY ACTIVE |
| MIMetco Ind | Saint Marys | PA | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| MCMicro Control Company | Fridley | MN | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |
| MAMid American Steel and Wire CO - Mill | Madill | OK | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| MFMid-west Forge CORP | Cleveland | OH | Fabricated Metal Product Manufacturing332111 | 100-499 | ◐ LIKELY ACTIVE |
| MMMilbank Manufacturing CO | Kansas City | MO | Fabricated Metal Product Manufacturing332439 | 100-499 | ◐ LIKELY ACTIVE |
| MMMilbank Manufacturing CO | El Dorado | AR | Fabricated Metal Product Manufacturing332439 | 100-499 | ◐ LIKELY ACTIVE |
| MMMilbank Manufacturing Company | Concordia | MO | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| MIMilkrite Interpuls INC | Johnson Creek | WI | Chemical Manufacturing325212 | 100-499 | ◐ LIKELY ACTIVE |
| MCMilliken & Co-pendleton Finishing Plant | Pendleton | SC | Textile Mills313210 | 100-499 | ◐ LIKELY ACTIVE |
| MPMills Products, INC. | Athens | TN | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| MMMincey Marble Manufacturing INC | Gainesville | GA | Plastics and Rubber Products Manufacturing326191 | 100-499 | ◐ LIKELY ACTIVE |
| MPMisco Products | Reading | PA | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| MEMitsubishi Electric Automotive America (1483090295) | Mason | OH | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| MCMnp CORP | Utica | MI | Primary Metal Manufacturing331222 | 100-499 | ◐ LIKELY ACTIVE |
| MDModern Door CORP | Walkerton | IN | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| MPModineer Plant 7 | Saint Peters | MO | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
Modine Manufacturing CO | Buena Vista | VA | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |