| HRHome Run Inn Frozen Foods, INC. | Woodridge | IL | Food Manufacturing311412 | 100-499 | ● ACTIVE |
Hommer Tool & Mfg., INC. | Arlington Hts | IL | Machinery Manufacturing333511 | — | ● ACTIVE |
| HAHoneywell Analytics INC. | Lincolnshire | IL | Computer and Electronic Product Manufacturing334511 | 100-499 | ● ACTIVE |
Honsa Ergonomic Technologies LLC | Milan | IL | Machinery Manufacturing333517 | — | ● ACTIVE |
Hts Coatings LLC | Madison | IL | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |
Hubly INC. | Lisle | IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Hydraforce INC | Vernon Hills | IL | Fabricated Metal Product Manufacturing332912 | — | ● ACTIVE |
Hyspan Precision Products INC | South Holland | IL | Fabricated Metal Product Manufacturing332919 | — | ● ACTIVE |
Ib International, INC. | Cary | IL | Machinery Manufacturing333412 | — | ● ACTIVE |
Iconn Systems LLC | Lombard | IL | Electrical Equipment, Appliance & Component Manufacturing335931 | 20-99 | ● ACTIVE |
Id Label INC | Lake Villa | IL | Printing and Related Support Activities323111 | — | ● ACTIVE |
Illinois Marine Towing INC | Joliet | IL | Transportation Equipment Manufacturing336611 | 20-99 | ● ACTIVE |
Illinois Tamale CO | Chicago | IL | Food Manufacturing311412 | — | ● ACTIVE |
Illinois Tool Works INC | Des Plaines | IL | Computer and Electronic Product Manufacturing334419 | — | ● ACTIVE |
Ilmo Products CO | Jacksonville | IL | Chemical Manufacturing325120 | — | ● ACTIVE |
Immi Vehicle Improvement Products, INC. | Antioch | IL | Transportation Equipment Manufacturing336330 | — | ● ACTIVE |
Imprex International, INC | Arlington Heights | IL | Fabricated Metal Product Manufacturing332216 | — | ● ACTIVE |
Incobrasa Industries LTD | Gilman | IL | Food Manufacturing311222 | — | ● ACTIVE |
Indium Corporation of America, the | Elk Grove Village | IL | Primary Metal Manufacturing331491 | — | ● ACTIVE |
Industrial Enclosure CORP | Aurora | IL | Fabricated Metal Product Manufacturing332439 | — | ● ACTIVE |
Industrial Kinetics INC | Downers Grove | IL | Machinery Manufacturing333922 | 20-99 | ● ACTIVE |
| IAIngenium Aerospace LLC | Rockford | IL | Transportation Equipment Manufacturing336413 | 20-99 | ● ACTIVE |
In-step Mobility Products INC | Skokie | IL | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
| IMInterlake Mecalux INC | Pontiac | IL | Fabricated Metal Product Manufacturing332312 | 100-499 | ● ACTIVE |
International Paint LLC | Waukegan | IL | Chemical Manufacturing325510 | — | ● ACTIVE |
Ipsen, INC | Cherry Valley | IL | Machinery Manufacturing333994 | — | ● ACTIVE |
Ironworx LLC | Mount Vernon | IL | Fabricated Metal Product Manufacturing332312 | — | ● ACTIVE |
Isovac Products LLC | Romeoville | IL | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Italia Foods INC. | Schaumburg | IL | Food Manufacturing311412 | — | ● ACTIVE |
Jacksonville Machine, INC | Jacksonville | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Jeron Electronic Systems, INC. | Niles | IL | Computer and Electronic Product Manufacturing334290 | — | ● ACTIVE |
| JBJohn B. Sanfilippo & Son, INC. | Elgin | IL | Food Manufacturing311911 | 500+ | ● ACTIVE |
| JCJohn Crane, INC | Morton Grove | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Johnson Contracting CO INC | East Moline | IL | Fabricated Metal Product Manufacturing332322 | 20-99 | ● ACTIVE |
Julian Electrical Service & Engineering INC | Homer Glen | IL | Transportation Equipment Manufacturing336320 | — | ● ACTIVE |
| JRJune R R Nichols Ocularist LTD | Des Plaines | IL | Miscellaneous Manufacturing339115 | — | ● ACTIVE |
Kaskaskia Tool and Machine, INC | New Athens | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Kencor Ethnic Foods INC | Canton | IL | Food Manufacturing311423 | — | ● ACTIVE |
Kiene Diesel Accessories, INC. | Addison | IL | Fabricated Metal Product Manufacturing332911 | 20-99 | ● ACTIVE |
| KPKksp Precision Machining LLC | Glendale Heights | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Kocour CO | Chicago | IL | Chemical Manufacturing325612 | — | ● ACTIVE |
Koi Computers, INC. | Downers Grove | IL | Computer and Electronic Product Manufacturing334111 | — | ● ACTIVE |
Kold-ban International LTD | Lake in the Hills | IL | Machinery Manufacturing333618 | 20-99 | ● ACTIVE |
| KHKraft Heinz CO | Granite City | IL | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ● ACTIVE |
| KCKress CORP | Brimfield | IL | Machinery Manufacturing333120 | 100-499 | ● ACTIVE |
La Frenz Pattern Company, Incorporated | Moline | IL | Machinery Manufacturing333514 | — | ● ACTIVE |
Lake County Press INC | Waukegan | IL | Printing and Related Support Activities323111 | — | ● ACTIVE |
| LOLand O' Frost Lansing | Lansing | IL | Food Manufacturing311611 | 100-499 | ● ACTIVE |
Larand LLC | Naperville | IL | Miscellaneous Manufacturing339113 | — | ● ACTIVE |
Liftseat CORP | Oak Brook | IL | Fabricated Metal Product Manufacturing332913 | — | ● ACTIVE |