Abraxas INC | North Aurora, IL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ● ACTIVE |
Abx Innovative Packaging Solutions LLC | Schaumburg, IL | Paper Manufacturing322221 | — | ● ACTIVE |
Accu-lab of Illinois, INC. | Dekalb, IL | Miscellaneous Manufacturing339115 | — | ● ACTIVE |
| AIAccu-labs, INC. | Chicago, IL | Chemical Manufacturing325998 | — | ● ACTIVE |
| AFAcme Finishing CO LLC | Elk Grove Village, IL | Fabricated Metal Product Manufacturing332812 | 100–499 | ● ACTIVE |
Acme Industrial CO | Carpentersville, IL | Fabricated Metal Product Manufacturing332216 | 100–499 | ● ACTIVE |
Action Packaging Company | Woodstock, IL | Plastics and Rubber Products Manufacturing326111 | — | ● ACTIVE |
Advanced Prototype Molding, INC. | Wauconda, IL | Machinery Manufacturing333511 | — | ● ACTIVE |
Advance Lifts INC | Saint Charles, IL | Machinery Manufacturing333921 | — | ● ACTIVE |
A. Finkl & Sons CO. | Chicago, IL | Primary Metal Manufacturing331110 | — | ● ACTIVE |
Alanson Mfg L.l.c | Chicago, IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| ALAlma Lasers INC | Buffalo Grove, IL | Computer and Electronic Product Manufacturing334510 | — | ● ACTIVE |
Alpha Baking CO INC | Chicago, IL | Food Manufacturing311812 | — | ● ACTIVE |
Altathera Pharmaceuticals LLC | Chicago, IL | Chemical Manufacturing325412 | 20–99 | ● ACTIVE |
| ALAmerican Labelmark Company | Chicago, IL | Printing and Related Support Activities323111 | 100–499 | ● ACTIVE |
American Stair Corporation, INC. | Hammond, IN | Fabricated Metal Product Manufacturing332312 | 100–499 | ● ACTIVE |
American Standard Circuits, LLC | West Chicago, IL | Computer and Electronic Product Manufacturing334412 | — | ● ACTIVE |
Americhem Systems INC. | Aurora, IL | Machinery Manufacturing333248 | 20–99 | ● ACTIVE |
Amerline Enterprises CO INC | Schiller Park, IL | Computer and Electronic Product Manufacturing334417 | 20–99 | ● ACTIVE |
| AMAmtab Manufacturing Corporation | Bensenville, IL | Furniture and Related Product Manufacturing337127 | 100–499 | ● ACTIVE |
Apex Engineering Products CORP | Aurora, IL | Chemical Manufacturing325180 | — | ● ACTIVE |
Approvis Cc 2023 CORP. | Cary, IL | Machinery Manufacturing333995 | — | ● ACTIVE |
Ardenture, INC | Naperville, IL | Furniture and Related Product Manufacturing337212 | — | ● ACTIVE |
Ari Industries INC | Addison, IL | Computer and Electronic Product Manufacturing334413 | — | ● ACTIVE |
Armoloy of Illinois INC | Dekalb, IL | Fabricated Metal Product Manufacturing332813 | — | ● ACTIVE |
Arrow Gear LLC | Downers Grove, IL | Machinery Manufacturing333612 | — | ● ACTIVE |
A & R Screening, LLC | Crestwood, IL | Printing and Related Support Activities323113 | — | ● ACTIVE |
A-s Medication Solutions LLC | Libertyville, IL | Chemical Manufacturing325412 | — | ● ACTIVE |
Atlas Fibre LLC | Northbrook, IL | Plastics and Rubber Products Manufacturing326130 | — | ● ACTIVE |
| APAurora Packing CO | North Aurora, IL | Food Manufacturing311611 | 100–499 | ● ACTIVE |
Auto Truck Group LLC | Bartlett, IL | Transportation Equipment Manufacturing336211 | — | ● ACTIVE |
Avanti Engineering INC | Glendale Heights, IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Avers Machine and Gear INC. | Schiller Park, IL | Machinery Manufacturing333612 | — | ● ACTIVE |
Award Emblem Manufacturing CO INC | Bolingbrook, IL | Miscellaneous Manufacturing339910 | — | ● ACTIVE |
B a Die Mold, INC. | Aurora, IL | Machinery Manufacturing333511 | — | ● ACTIVE |
| BMBag Makers INC | Union, IL | Printing and Related Support Activities323111 | 100–499 | ● ACTIVE |
Bales Mold Service, INC. | Downers Grove, IL | Fabricated Metal Product Manufacturing332813 | — | ● ACTIVE |
| BBBard Brachytherapy INC | Carol Stream, IL | Miscellaneous Manufacturing339113 | 20–99 | ● ACTIVE |
Barrington Automation LTD | Lake in the Hills, IL | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Becker Brothers Graphite CORP | Maywood, IL | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ● ACTIVE |
| BTBelden Tools INC | Hillside, IL | Machinery Manufacturing333613 | — | ● ACTIVE |
| BFBell Flavors & Fragrances INC | Northbrook, IL | Food Manufacturing311612 | — | ● ACTIVE |
Bernard Food Industries INC | Evanston, IL | Food Manufacturing311423 | 20–99 | ● ACTIVE |
| BCBest Chicago Meat Company, LLC | Chicago, IL | Food Manufacturing311612 | 100–499 | ● ACTIVE |
| BBBig Bolt, LLC | Bloomingdale, IL | Fabricated Metal Product Manufacturing332722 | — | ● ACTIVE |
Bowman Analytics, INC. | Schaumburg, IL | Computer and Electronic Product Manufacturing334516 | — | ● ACTIVE |
| BFBrad Foote Gear Works, INC | Cicero, IL | Machinery Manufacturing333612 | — | ● ACTIVE |
Britt Industries, INC | Arlington Heights, IL | Chemical Manufacturing325510 | — | ● ACTIVE |
| BWBrook & Whittle-northbrook | Northbrook, IL | Printing and Related Support Activities323111 | 20–99 | ● ACTIVE |
B T M Industries INC | Woodstock, IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |