Lanzajet, INC. | Deerfield, IL | Chemical Manufacturing325199 | — | ● ACTIVE |
Lapmaster International LLC | Mount Prospect, IL | Machinery Manufacturing333517 | — | ● ACTIVE |
| LTLaser Technologies INC | Naperville, IL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ● ACTIVE |
Lawson Products, INC. | Chicago, IL | Fabricated Metal Product Manufacturing332510 | — | ● ACTIVE |
| LWLaw Weapons INC. | Naperville, IL | Fabricated Metal Product Manufacturing332994 | — | ● ACTIVE |
| LMLb Metals LLC | Harvey, IL | Fabricated Metal Product Manufacturing332312 | 100–499 | ● ACTIVE |
L. D. Redmer Screw Products, INC. | Bensenville, IL | Fabricated Metal Product Manufacturing332721 | — | ● ACTIVE |
Lecip INC | Bensenville, IL | Transportation Equipment Manufacturing336320 | — | ● ACTIVE |
Leica Microsystems INC. | Deerfield, IL | Machinery Manufacturing333310 | — | ● ACTIVE |
| LLLensseek LLC | Highland, IN | Computer and Electronic Product Manufacturing334111 | — | ● ACTIVE |
Lewis Acquisition CORP | Addison, IL | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Liberty Fastener CO | Bensenville, IL | Fabricated Metal Product Manufacturing332722 | — | ● ACTIVE |
Library Furniture International, LLC. | Wheeling, IL | Furniture and Related Product Manufacturing337127 | — | ● ACTIVE |
Life Fitness Sales, INC. | Rosemont, IL | Miscellaneous Manufacturing339920 | — | ● ACTIVE |
Lifesafety365 L.l.c | Westchester, IL | Computer and Electronic Product Manufacturing334510 | — | ● ACTIVE |
Liftex Corporation | Gurnee, IL | Textile Product Mills314994 | — | ● ACTIVE |
Light of Mine LLC | Chicago, IL | Transportation Equipment Manufacturing336320 | — | ● ACTIVE |
Limboss INC | Crest Hill, IL | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Livorsi Marine INC | Grayslake, IL | Computer and Electronic Product Manufacturing334519 | — | ● ACTIVE |
| LELodan Electronics INC | Arlington Heights, IL | Computer and Electronic Product Manufacturing334419 | — | ● ACTIVE |
Long Grove Pharmaceuticals, LLC | Rosemont, IL | Chemical Manufacturing325412 | — | ● ACTIVE |
Lorenzo's Delectables LLC | Chicago, IL | Food Manufacturing311520 | — | ● ACTIVE |
Lori A. Ponte | Bloomingdale, IL | Textile Product Mills314999 | — | ● ACTIVE |
Louvers International, INC. | Elmhurst, IL | Electrical Equipment, Appliance & Component Manufacturing335132 | — | ● ACTIVE |
Lsc Communications LLC | Warrenville, IL | Printing and Related Support Activities323113 | — | ● ACTIVE |
Lsl Industries LLC | Niles, IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
| LDLumiere Doree LLC | Chicago, IL | Chemical Manufacturing325620 | — | ● ACTIVE |
Lyon & Healy Harps INC | Chicago, IL | Miscellaneous Manufacturing339992 | — | ● ACTIVE |
Machining Systems Corporation | Crestwood, IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Made Rite Acquisition, LLC | Franklin Park, IL | Furniture and Related Product Manufacturing337910 | — | ● ACTIVE |
Mag Daddy LLC | Wauconda, IL | Miscellaneous Manufacturing339993 | — | ● ACTIVE |
Magnetic Shield CORP | Bensenville, IL | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Magnum Machining LLC | Richmond, IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Mah Tooling CO | Hickory Hills, IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Mantis Tech, LLC | Oswego, IL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ● ACTIVE |
Manufacture Design Innovation, INC | Gilberts, IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Manu-tec of Illinois LLC | Addison, IL | Computer and Electronic Product Manufacturing334413 | — | ● ACTIVE |
| MRMaquoketa Research INC. | Elk Grove Village, IL | Transportation Equipment Manufacturing336411 | — | ● ACTIVE |
Marshall Furniture INC | Antioch, IL | Furniture and Related Product Manufacturing337127 | — | ● ACTIVE |
Master Fog LLC | West Chicago, IL | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
| MTMaterial Testing Technology, INC | Wheeling, IL | Machinery Manufacturing333514 | — | ● ACTIVE |
Mcginnis Auto-electric Rebuilding Service, INC | Dekalb, IL | Transportation Equipment Manufacturing336320 | — | ● ACTIVE |
Mcnish Corporation | Aurora, IL | Machinery Manufacturing333310 | — | ● ACTIVE |
Medaxis LLC | Mchenry, IL | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Medical Ingenuities, LLC | Wheaton, IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
| MAMedline Arlington Heights | Arlington Heights, IL | Miscellaneous Manufacturing339113 | 20–99 | ● ACTIVE |
Mega CORP | Barrington, IL | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Megmade INC | Chicago, IL | Furniture and Related Product Manufacturing337121 | — | ● ACTIVE |
Megwear INC | Countryside, IL | Printing and Related Support Activities323113 | — | ● ACTIVE |
| MIMetal Improvement Company, LLC | Lombard, IL | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |