| LBLink by Lou LLC | Oklahoma City | OK | Miscellaneous Manufacturing339910 | — | ◇ UNVERIFIED |
| LILioness Imports, LLC | Broken Arrow | OK | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| LALj Allstar Enterprises, INC. | Moore | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| LLL & L Awards LLC | Seminole | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| LSLogan's Steel Buildings, INC. | Sayre | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| LCLog Cutters | Tishomingo | OK | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LSLone Star Ind INC Dba Buzzi Unicem USA Pryor Cement Plant | Pryor | OK | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MTM3 Technology Solutions LLC | Norman | OK | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| MVMAC Visual LLC | Oklahoma City | OK | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| MTMadill Trailer Mfg and Sales | Madill | OK | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| MMalo | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MMMargarita Man HQ, LLC | Stillwater | OK | Food Manufacturing311930 | — | ◇ UNVERIFIED |
| MQMarmie Quilting LLC | Ochelata | OK | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| MIMaro International Corporation | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MSMarshall Signs LLC | Claremore | OK | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
 Mars Petcare US INC. | Clinton | OK | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| MMMartin Manufactuirng, INC. | Sapulpa | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MCMassey Construction Services, Inc. | Tulsa | OK | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MKMaster Kraft Tooling Corporation | Tulsa | OK | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| MPMaterials Packaging Corporation | Muskogee | OK | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MTMatheson Tri Gas INC / Matheson Lawton Ok Asu | Lawton | OK | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MRMaverick Realty LLC | Norman | OK | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| MMMaxx Machine, INC. | Oklahoma City | OK | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| MEMBH Enterprises, LLC | Oklahoma City | OK | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| MBMcalester Batch Plant | Mcalester | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MTMcguire's Touch of Silk LLC | Oklahoma City | OK | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MIMcpherson Implement, Incorporated | Norman | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MSMelling Sintered Metals | Billings | OK | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| MSMeridian Sheet Metal, INC. | Oklahoma City | OK | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MBMetal Building Services | Ardmore | OK | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| MCMetal Cleaning and Fininshing | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MCMetal Container Corporation | Oklahoma City | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| MCMetal Container Fabrication Faclty | Oklahoma City | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MIMetalspand INC. | Waurika | OK | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
 Metaltech, INC. | Oklahoma City | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MIMetcoat, INC. | Duncan | OK | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| MGMetro Granite, LLC | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| MSMetro Sales and Assembly, INC. | Broken Arrow | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MSMetro Sign Corporation | Broken Arrow | OK | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| MDMfg Div | Tulsa | OK | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| MOMiami, Ok Stockpile | Miami | OK | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MNMichelin North America Ardmore Plant | Ardmore | OK | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| MCMid Continent Concrete Company | Edmond | OK | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MMMid-continent Millwork L.l.c. | Tulsa | OK | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| MAMidwest Automation, INC. | Heavener | OK | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| MPMidwestern Pet Foods INC / Midwestern Pet Foods INC Chickasha Ope | Chickasha | OK | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| MPMiller Printing Company, INC. | Tulsa | OK | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| MTMilos Tea Company, INC. | Owasso | OK | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| MMiswaco | Tulsa | OK | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MIMitchco INC | Ponca City | OK | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
