| KLKanzler Landscape Contractor INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KHKazko Holdings, LLC | Chicago | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| KTKazmier Tooling Inc., | Chicago | IL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| KBKD Buyer LLC | Chicago | IL | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| KCK-display CORP | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| KKelloggs | Chicago | IL | Food Manufacturing311230 | — | ◇ UNVERIFIED |
| KKKennedy & Kimball Svc INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KAKen's Amoco | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KCKimberly Clark Chicago | Chicago | IL | Paper Manufacturing322291 | — | ◇ UNVERIFIED |
| K8King 83rd INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KSKirby Sheet Metal Works, INC. | Chicago | IL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| KPKms Petro Mart INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KIKora Industries INC. | Chicago | IL | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| KCKovala Corp | Chicago | IL | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| KFKraft Foods INC | Chicago | IL | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| LDLagomorph Design Inc | Chicago | IL | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| LSLake Street Pallet and Recycling, INC. | Chicago | IL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| LSLamination Specialties Corporation | Chicago | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| LELang Exterior, INC. | Chicago | IL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| LSLangs Svc | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LCLanxess CORP @ O'hare Airport Ord 838 | Chicago | IL | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| LBLaury Bride LLC | Chicago | IL | Apparel Manufacturing315210 | — | ◇ UNVERIFIED |
| LTLawndale Terrace | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LBL & B Business Enterprises LLC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LSLcg Sales, INC. | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LILdr Industries, INC. | Chicago | IL | Fabricated Metal Product Manufacturing332913 | — | ◇ UNVERIFIED |
| LLLedgerock LLC | Chicago | IL | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| LBLeitelt Brothers Foundry, INC | Chicago | IL | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| LXLemon X Corporation Dba Bevolution Group | Chicago | IL | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| LALeons Automotive & Sales INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LGLexi Group, INC. | Chicago | IL | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| LML & M Welding, Inc. | Chicago | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| LPLoop Paper Recycling | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LALorel Ave Foodmart INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LMLouis Meskan Brass Foundry, INC. | Chicago | IL | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| LWLpi Worldwide INC | Chicago | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| LCLyft Center INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MIMace Iron Works, INC. | Chicago | IL | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| MGMagid Glove and Safety Manufacturing Company, L.l.c. | Chicago | IL | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| MSMagnus Screw Products | Chicago | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| MAMajor Armature Co-recycling Div | Chicago | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| MDMajor Dickens LLC | Chicago | IL | Wood Product Manufacturing321211 | — | ◇ UNVERIFIED |
| MSMalvaes Solutions, Incorporated | Chicago | IL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| MIMansoor INC - Citgo | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MMarathon | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MMarathon | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MAMarathon Auto Ctr INC | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MBMargies Brands Inc | Chicago | IL | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| MCMaria Carlin Rangel | Chicago | IL | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MCMarley Cooling Tower -bldg 13 | Chicago | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
