Prochem Incorporated International | Rockford | IL | Chemical Manufacturing325130 | — | ● ACTIVE |
Progress Rail Locomotive INC. | Mccook | IL | Machinery Manufacturing333618 | — | ● ACTIVE |
Prooptics LLC | Palatine | IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Proteintech Group, INC. | Rosemont | IL | Chemical Manufacturing325414 | — | ● ACTIVE |
Pure Processing, LLC | Lisle | IL | Plastics and Rubber Products Manufacturing326191 | 20-99 | ● ACTIVE |
Qtm Holdings, LLC | Schaumburg | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Quality Metal Products INC | Peoria | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
Radco Industries INC | Batavia | IL | Petroleum and Coal Products Manufacturing324191 | — | ● ACTIVE |
Ramcel Precision Stamping & Manufacturing LLC | Northbrook | IL | Fabricated Metal Product Manufacturing332119 | 20-99 | ● ACTIVE |
| RFRantoul Foods | Rantoul | IL | Food Manufacturing311611 | 100-499 | ● ACTIVE |
| RCRauland-borg CORP | Mount Prospect | IL | Computer and Electronic Product Manufacturing334290 | — | ● ACTIVE |
Recycled Rubber Products Distributors, LLC | Joliet | IL | Miscellaneous Manufacturing339999 | — | ● ACTIVE |
Red Maple Manufacturing, INC | East Saint Louis | IL | Miscellaneous Manufacturing339991 | — | ● ACTIVE |
| RPReliable Plating CORP | Chicago | IL | Fabricated Metal Product Manufacturing332813 | — | ● ACTIVE |
| ROReliance Orthodontic Products, INC. | Itasca | IL | Miscellaneous Manufacturing339114 | — | ● ACTIVE |
Remco Technology, INC | Skokie | IL | Plastics and Rubber Products Manufacturing326140 | — | ● ACTIVE |
| RIRenishaw, INC. | West Dundee | IL | Computer and Electronic Product Manufacturing334513 | — | ● ACTIVE |
Richards-wilcox INC | Aurora | IL | Machinery Manufacturing333922 | — | ● ACTIVE |
| RWRichard Wolf Medical Instruments CORP | Vernon Hills | IL | Miscellaneous Manufacturing339112 | 100-499 | ● ACTIVE |
| RFRichelieu Foods | Wheeling | IL | Food Manufacturing311412 | 100-499 | ● ACTIVE |
Riverbend Energetics Mfg., LLC | Alton | IL | Chemical Manufacturing325920 | 100-499 | ● ACTIVE |
| RFRmh Foods | Morton | IL | Food Manufacturing311612 | 100-499 | ● ACTIVE |
Rock River Arms INC | Colona | IL | Fabricated Metal Product Manufacturing332994 | — | ● ACTIVE |
| RIRoncadin INC | Vernon Hills | IL | Food Manufacturing311412 | 20-99 | ● ACTIVE |
R & R Holdings INC | Des Plaines | IL | Leather and Allied Product Manufacturing316998 | 20-99 | ● ACTIVE |
Sage Products, LLC | Cary | IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Salamander Studios Chicago INC | Chicago | IL | Paper Manufacturing322230 | — | ● ACTIVE |
Saliba Industries Holdings, LLC | Waukegan | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Sandman.com, INC | La Grange | IL | Computer and Electronic Product Manufacturing334210 | — | ● ACTIVE |
Sanks Machining INC | Staunton | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Sauber Manufacturing CO | Virgil | IL | Transportation Equipment Manufacturing336212 | — | ● ACTIVE |
| SBSb Boron Corporation | Bellwood | IL | Chemical Manufacturing325180 | — | ● ACTIVE |
Schmid Tool & Engineering CORP | Villa Park | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Sciaky INC | Chicago | IL | Machinery Manufacturing333992 | — | ● ACTIVE |
Sems and Specials, INC. | Rockford | IL | Fabricated Metal Product Manufacturing332722 | 20-99 | ● ACTIVE |
Shanks Veterinary Equipment INC | Milledgeville | IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Sievert Electric Service and Sales Company | Forest Park | IL | Machinery Manufacturing333923 | 20-99 | ● ACTIVE |
Silver Tree Beer & Spirits LLC | Paxton | IL | Beverage and Tobacco Product Manufacturing312140 | — | ● ACTIVE |
Sko-die, LLC | Morton Grove | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ● ACTIVE |
| SMS & M Group INC | Wood Dale | IL | Computer and Electronic Product Manufacturing334418 | — | ● ACTIVE |
Sonic Manufacturing Corporation | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| SLSpecgx LLC | Greenville | IL | Chemical Manufacturing325411 | 20-99 | ● ACTIVE |
Spherotech INC | Lake Forest | IL | Chemical Manufacturing325211 | 20-99 | ● ACTIVE |
Stanley Machining & Tool CORP | Carpentersville | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ● ACTIVE |
Stanley Spring and Stamping CORP | Chicago | IL | Fabricated Metal Product Manufacturing332111 | 20-99 | ● ACTIVE |
Star Engineering LLC | Addison | IL | Machinery Manufacturing333517 | — | ● ACTIVE |
Stc INC | Mcleansboro | IL | Computer and Electronic Product Manufacturing334416 | — | ● ACTIVE |
Stereo Optical Company, INC | Chicago | IL | Miscellaneous Manufacturing339112 | — | ● ACTIVE |
Sterling Spring LLC | Chicago | IL | Fabricated Metal Product Manufacturing332613 | 20-99 | ● ACTIVE |
St Louis Prestress INC | Glen Carbon | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |