Gripple INC | Aurora | IL | Fabricated Metal Product Manufacturing332618 | 100-499 | ● ACTIVE |
Guardian Electric Manufacturing CO | Woodstock | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Gurtler Chemicals, INC | South Holland | IL | Chemical Manufacturing325611 | 100-499 | ● ACTIVE |
G & W Electric CO | Bolingbrook | IL | Electrical Equipment, Appliance & Component Manufacturing335313 | 500+ | ● ACTIVE |
Hansen Plastics, CORP | Elgin | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ● ACTIVE |
Haskris CO | Elmhurst | IL | Machinery Manufacturing333415 | 100-499 | ● ACTIVE |
| HSHeidtman Steel Products INC | Granite City | IL | Primary Metal Manufacturing331110 | 20-99 | ● ACTIVE |
Heinkel's Packing Company, INC. | Decatur | IL | Food Manufacturing311611 | — | ● ACTIVE |
Helander Metal Spinning Company LLC | Lombard | IL | Fabricated Metal Product Manufacturing332119 | — | ● ACTIVE |
Henry Broch & CO. | Waukegan | IL | Food Manufacturing311612 | 100-499 | ● ACTIVE |
Henry Technologies, INC. | Chatham | IL | Fabricated Metal Product Manufacturing332119 | 20-99 | ● ACTIVE |
| HLHidrostal LLC | Aurora | IL | Machinery Manufacturing333914 | 20-99 | ● ACTIVE |
H. Kramer & CO | Chicago | IL | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
| HPHoffer Plastics CORP | South Elgin | IL | Plastics and Rubber Products Manufacturing326199 | 100-499 | ● ACTIVE |
Hollister INC | Libertyville | IL | Miscellaneous Manufacturing339113 | 500+ | ● ACTIVE |
| HRHome Run Inn Frozen Foods, INC. | Woodridge | IL | Food Manufacturing311412 | 100-499 | ● ACTIVE |
Hommer Tool & Mfg., INC. | Arlington Hts | IL | Machinery Manufacturing333511 | 20-99 | ● ACTIVE |
| HAHoneywell Analytics INC. | Lincolnshire | IL | Computer and Electronic Product Manufacturing334511 | 100-499 | ● ACTIVE |
Honeywell International INC. | Freeport | IL | Computer and Electronic Product Manufacturing334419 | 500+ | ● ACTIVE |
Howe CORP | Chicago | IL | Machinery Manufacturing333415 | 20-99 | ● ACTIVE |
Hts Coatings LLC | Madison | IL | Fabricated Metal Product Manufacturing332812 | 1-19 | ● ACTIVE |
Hu-friedy Mfg. Co., LLC | Chicago | IL | Miscellaneous Manufacturing339114 | — | ● ACTIVE |
Iconn Systems LLC | Lombard | IL | Electrical Equipment, Appliance & Component Manufacturing335931 | 20-99 | ● ACTIVE |
| ICId Castings of Illinois LLC | Martinsville | IL | Primary Metal Manufacturing331511 | 20-99 | ● ACTIVE |
Ikonix USA LLC | Lake Forest | IL | Computer and Electronic Product Manufacturing334515 | 20-99 | ● ACTIVE |
Illinois Auto Truck CO INC | Des Plaines | IL | Transportation Equipment Manufacturing336350 | 20-99 | ● ACTIVE |
Illinois Tamale CO | Chicago | IL | Food Manufacturing311412 | 20-99 | ● ACTIVE |
Incobrasa Industries LTD | Gilman | IL | Food Manufacturing311222 | — | ● ACTIVE |
Incredible Technologies, INC. | Vernon Hills | IL | Miscellaneous Manufacturing339999 | 100-499 | ● ACTIVE |
Indak Manufacturing CORP | Northbrook | IL | Computer and Electronic Product Manufacturing334413 | 100-499 | ● ACTIVE |
Indium Corporation of America, the | Elk Grove Village | IL | Primary Metal Manufacturing331491 | — | ● ACTIVE |
Induction Heat Treating CORP. | Crystal Lake | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ● ACTIVE |
Industrial Kinetics INC | Downers Grove | IL | Machinery Manufacturing333922 | 20-99 | ● ACTIVE |
| IAIngenium Aerospace LLC | Rockford | IL | Transportation Equipment Manufacturing336413 | 20-99 | ● ACTIVE |
| ICIngersoll Cutting Tool Company | Rockford | IL | Machinery Manufacturing333515 | 100-499 | ● ACTIVE |
| IMIngersoll Machine Tools INC | Rockford | IL | Machinery Manufacturing333512 | 100-499 | ● ACTIVE |
| IIIngredion Incorporated | Bedford Park | IL | Food Manufacturing311221 | — | ● ACTIVE |
| ICInplex Custom Extruders LLC | Naperville | IL | Plastics and Rubber Products Manufacturing326121 | 20-99 | ● ACTIVE |
In-step Mobility Products INC | Skokie | IL | Miscellaneous Manufacturing339113 | 1-19 | ● ACTIVE |
International Filter Manufacturing CORP | Litchfield | IL | Transportation Equipment Manufacturing336390 | 1-19 | ● ACTIVE |
Ipsen, INC | Cherry Valley | IL | Machinery Manufacturing333994 | 100-499 | ● ACTIVE |
| IIIronwood Industries INC | Libertyville | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Jacksonville Machine, INC | Jacksonville | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| JPJbs/swift Pork CO | Beardstown | IL | Food Manufacturing311611 | 500+ | ● ACTIVE |
Jeron Electronic Systems, INC. | Niles | IL | Computer and Electronic Product Manufacturing334290 | 20-99 | ● ACTIVE |
Jessup Manufacturing CO | Lake Bluff | IL | Textile Mills313320 | — | ● ACTIVE |
Jessup Manufacturing Company | Mchenry | IL | Chemical Manufacturing325510 | — | ● ACTIVE |
J. H. Botts, LLC | Joliet | IL | Primary Metal Manufacturing331110 | 20-99 | ● ACTIVE |
| JBJohn B. Sanfilippo & Son, INC. | Elgin | IL | Food Manufacturing311911 | 500+ | ● ACTIVE |
| JCJohn Crane, INC | Morton Grove | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |