Performance Health Systems LLC | Northbrook | IL | Miscellaneous Manufacturing339920 | — | ● ACTIVE |
Plastic Parts International, INC | Loves Park | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Press America INC | Elk Grove Village | IL | Printing and Related Support Activities323110 | 20-99 | ● ACTIVE |
| PCPrysmian Cables & Systems USA LLC | Du Quoin | IL | Primary Metal Manufacturing331420 | 100-499 | ● ACTIVE |
| QSQuality Snack Foods INC | Alsip | IL | Food Manufacturing311612 | 100-499 | ● ACTIVE |
Ravenswood Studio INC | Lincolnwood | IL | Machinery Manufacturing333414 | 100-499 | ● ACTIVE |
Reaco Battery Service CORP | Johnston City | IL | Electrical Equipment, Appliance & Component Manufacturing335910 | 20-99 | ● ACTIVE |
| RTRegis Technologies INC | Morton Grove | IL | Chemical Manufacturing325199 | 20-99 | ● ACTIVE |
Ribbon Webbing CORP | Chicago | IL | Textile Mills313220 | 100-499 | ● ACTIVE |
Rieke Office Interiors INC | Elgin | IL | Furniture and Related Product Manufacturing337211 | 20-99 | ● ACTIVE |
| RFRochelle Foods LLC | Rochelle | IL | Food Manufacturing311612 | 500+ | ● ACTIVE |
Rockford Ball Screw Company | Rockford | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| RCRogan Corporation | Northbrook | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
| RIRoho INC | Belleville | IL | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Roth Pump CO | Milan | IL | Machinery Manufacturing333911 | 20-99 | ● ACTIVE |
| SISabic Innovative Plastics US LLC | Ottawa | IL | Chemical Manufacturing325211 | 100-499 | ● ACTIVE |
Safety Storage, INC | Charleston | IL | Fabricated Metal Product Manufacturing332311 | 20-99 | ● ACTIVE |
Sandstrom Products Company | Port Byron | IL | Chemical Manufacturing325510 | 20-99 | ● ACTIVE |
Saporito Finishing CO | Cicero | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ● ACTIVE |
S&c Electric Company | Chicago | IL | Electrical Equipment, Appliance & Component Manufacturing335313 | — | ● ACTIVE |
Scot Forge Company | Spring Grove | IL | Fabricated Metal Product Manufacturing332111 | — | ● ACTIVE |
Seating Concepts INC | Rockdale | IL | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
| SFSenior Flexonics | Bartlett | IL | Fabricated Metal Product Manufacturing332999 | 100-499 | ● ACTIVE |
Servi-sure, LLC | Chicago | IL | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Sewer Equipment CO. of America | Dixon | IL | Machinery Manufacturing333120 | 100-499 | ● ACTIVE |
Siemens Manufacturing CO INC | Freeburg | IL | Computer and Electronic Product Manufacturing334416 | 100-499 | ● ACTIVE |
| SMSipi Metals CORP | Chicago | IL | Primary Metal Manufacturing331410 | 100-499 | ● ACTIVE |
| SISkolnik Industries LLC | Chicago | IL | Fabricated Metal Product Manufacturing332439 | 100-499 | ● ACTIVE |
Smalley Steel Ring CO. | Lake Zurich | IL | Fabricated Metal Product Manufacturing332613 | 500+ | ● ACTIVE |
| SPSmithfield Packaged Meats CORP | Saint Charles | IL | Food Manufacturing311611 | 100-499 | ● ACTIVE |
Smith & Richardson Manufacturing CO | Geneva | IL | Chemical Manufacturing325998 | 20-99 | ● ACTIVE |
| SCSouth Chicago Packing LLC | Chicago | IL | Food Manufacturing311224 | 100-499 | ● ACTIVE |
| SHSouth Holland Metal Finishing | Monee | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ● ACTIVE |
Spartan Light Metal Products, INC. | Sparta | IL | Primary Metal Manufacturing331521 | 100-499 | ● ACTIVE |
Sponge-cushion, INC | Morris | IL | Plastics and Rubber Products Manufacturing326150 | 20-99 | ● ACTIVE |
| SSSpraying Systems CO | Glendale Heights | IL | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Sterling Site Access Solutions LLC | Phoenix | IL | Wood Product Manufacturing321999 | 100-499 | ● ACTIVE |
| SASunstar Americas, INC. | Schaumburg | IL | Machinery Manufacturing333994 | 100-499 | ● ACTIVE |
| SSSwan Surfaces LLC | Centralia | IL | Plastics and Rubber Products Manufacturing326191 | 100-499 | ● ACTIVE |
Swiss Automation, INC. | Barrington | IL | Fabricated Metal Product Manufacturing332721 | 100-499 | ● ACTIVE |
| TSTaubensee Steel and Wire CO | Wheeling | IL | Primary Metal Manufacturing331222 | 100-499 | ● ACTIVE |
T/cci Manufacturing, L.l.c. | Decatur | IL | Machinery Manufacturing333415 | 100-499 | ● ACTIVE |
The Church Street Brewing Company, LLC | Itasca | IL | Beverage and Tobacco Product Manufacturing312120 | — | ● ACTIVE |
The George Evans CORP | Moline | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ● ACTIVE |
| TKThe Knapheide Manufacturing CO | Quincy | IL | Transportation Equipment Manufacturing336211 | 500+ | ● ACTIVE |
Timberline Pallet, LLC | East Moline | IL | Wood Product Manufacturing321920 | 20-99 | ● ACTIVE |
Titan Wheel Corporation of Illinois | Quincy | IL | Primary Metal Manufacturing331221 | 500+ | ● ACTIVE |
| TSTricor Systems INC | Elgin | IL | Computer and Electronic Product Manufacturing334418 | 20-99 | ● ACTIVE |
Uresil LLC | Skokie | IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
| UTUS Truck Body | Streator | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ● ACTIVE |