| KRKienstra Ready Mix | O'fallon | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KDKindeva Drug Deliveries | St Louis | MO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| KRKirksville Ready Mix North | Kirksville | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| KPKitterman Plastics | Kansas City | MO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| KMKluhsman Machine Inc.* | Lockwood | MO | Machinery Manufacturing333999 | 1-19 | ◇ UNVERIFIED |
| KCKnappco CORP | Riverside | MO | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| KSKohler & Sons Inc-page Ave | St. Louis | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| KLK-tire LLC | Hillsboro | MO | Textile Mills313320 | — | ◇ UNVERIFIED |
| KBKupferer Brothers-st Louis | St. Louis | MO | Fabricated Metal Product Manufacturing332114 | — | ◇ UNVERIFIED |
| KPKv Pharmaceutical Company-brentwood | Brentwood | MO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| LILabarge INC | Joplin | MO | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| LCLafarge Construction Materials-coal Mine Road | Kansas City | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLafarge CORP - Sugar Creek Plant | Independence | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LTLaird Techs (legal Dba Advanced Performance Materials | Earth City | MO | Textile Mills313320 | — | ◇ UNVERIFIED |
| LALake Asphalt Paving & Construction, LLC | Bloomsdale | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LALake Asphalt Paving Construction - Perryville | Perryville | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LTLakeside Tech Solutions LLC | Monroe City | MO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| LNLamar North Plant | Lamar | MO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| LRLandvatter Ready Mix-barrett Station Road | St. Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LRLandvatter Ready Mix Market | St Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLane Cabinets INC Dba Cabinet Concepts By Design | Springfield | MO | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| LRLangley Recycling INC | Kansas City | MO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| LRLaurie Ready-mix | Laurie | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LSLee's Summit Municipal Airport | Lees Summit | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LPLeggett & Platt, INC. | Cape Girardeau | MO | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| LCLemay Concrete Block-lemay Concrete Block | St. Louis | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LJLeo Journagan Construction CO | Ava | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LJLeo Journagan Construction CO INC | Springfield | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LJLeo Journagan Construction CO - Ozark Quarry | Ozark | MO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LMLeonards Metal INC | St Charles | MO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| LMLeonards Metal Inc-hwy 94 Plant | St. Charles | MO | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| LMLeonards Metal INC - Mueller Road Plant | St. Charles | MO | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
 Leo O'laughlin Inc-macon | Macon | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| Leo O'laughlin Inc-marceline | Marceline | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLewis & Clark Sawmill | West Alton | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LTLife Touch Publications | Riverside | MO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| LPLifetouch Publications-ambassador Dr | Kansas City | MO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| LLLion Lumber, LLC | Louisiana | MO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| LCLittle Creek Farm | Leslie | MO | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| LSLoch Sand and Construction Company | Maryville | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LWLone Wolf Enterprises-lone Wolf Enterprises | Kansas City | MO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| LCLoren Cook Co-barnes St Plant | Springfield | MO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| LMLouisiana Mfg CO | Louisiana | MO | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
 Lowell Manufacturing | Saint Louis | MO | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| LSLozier Store Fixtures, LLC Union | Union | MO | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| LPL P G Ventures INC | Kearney | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LCLsc Communiations Union | Union | MO | Paper Manufacturing322221 | — | ◇ UNVERIFIED |
| LFLucerne Feed Mill | Lucerne | MO | Apparel Manufacturing315999 | — | ◇ UNVERIFIED |
| LILuffland Industries | Bates City | MO | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| MLMachine Laboratory LLC | Chesterfield | MO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
