| LLLittrell Lumber Mill, INC. | Decatur | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LLLkl Lumber Company INC | Oakman | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LLL & L Lumber Co., INC | Huntsville | AL | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| LILoparex INC | Cullman | AL | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
 Louisiana Pacific CORP | Thomasville | AL | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| Louisiana Pacific - Evergreen | Evergreen | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LOLumber One CO INC | Tuscumbia | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LOLumber One Wood Preserving LLC | Sheffield | AL | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| MHM2h2 Holdings LLC Dba Claborn Manufacturing | Tanner | AL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MCMachine Craft INC | Huntsville | AL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MMMack Mfg INC | Theodore | AL | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MDMaclean Dixie, LLC. | Birmingham | AL | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| MPMaclean Power, L.l.c. | Alabaster | AL | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| MCMadison County Health Department, Vector Control | Huntsville | AL | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| MFMaeco Fabrication INC | Grand Bay | AL | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| MWMannington Wood Floors Division | Epes | AL | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| MEMarathon Equipment CO | Fayette | AL | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| MPMars Petcare U.s. Inc, | Birmingham | AL | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| MCMasland Carpets | Saraland | AL | Textile Product Mills314110 | — | ◇ UNVERIFIED |
| MCMasland Carpets, INC. | Atmore | AL | Textile Product Mills314110 | — | ◇ UNVERIFIED |
| MMMasonite Mobile | Mobile | AL | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| MCMasterbrand Cabinets INC | Talladega | AL | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MWMatrix Wire INC. | Auburn | AL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| MUMauser USA INC | Anniston | AL | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| MAMcabee Assembly Facility | Tuscaloosa | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MSMcb Steel, INC. | Bessemer | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MCMccartney Construction CO INC | Ashville | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MLMckinney Lumber Company INC | Tuscumbia | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| MCMcwane Cast Iron Pipe CO. | Birmingham | AL | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MIMeadowcraft INC | Birmingham | AL | Furniture and Related Product Manufacturing337124 | — | ◇ UNVERIFIED |
| MUMetals USA Mobile | Mobile | AL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MLMhwirth, LLC | Mobile | AL | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| MPMidsouth Paving INC | Brantley | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MPMidsouth Paving, INC. | Birmingham | AL | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| MPMidsouth Paving, INC. | Ohatchee | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MPMidsouth Paving INC. East Thomas Asphalt Plant | Birmingham | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MPMidsouth Paving INC. - Flomaton Asphalt Plant | Flomaton | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MPMidsouth Paving, INC. - Montgomery Shop | Montgomery | AL | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| MPMidsouth Paving INC. Tarrant Asphalt Plant | Birmingham | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MSMid South Plating | Wedowee | AL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MFMikes Fabricating Incorporated | Moody | AL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MCMiller & Company | Demopolis | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| MCMiller & Company INC | Selma | AL | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| MUMiller Urethane Prods INC | Moody | AL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| MCMitchell Container Services INC | Saraland | AL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MFM/j Feed Mill Al, LLC | Haleyville | AL | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| MMMmc Materials Gulf Coast - Mcintosh Plant | Mcintosh | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
 Mmc Materials, INC. | Greenville | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MAMobile Asphalt | Summerdale | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MAMobile Asphalt CO LLC | Georgiana | AL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
