Spherotech INC | Lake Forest | 20–99 | ● ACTIVE |
| SCSunnyside CORP | Wheeling | 20–99 | ● ACTIVE |
Tri Industries Nfp | Ottawa | 1–19 | ● ACTIVE |
| WEWilliams Ethanol Services, INC. | Pekin | 100–499 | ● ACTIVE |
Abbvie US LLC | North Chicago | — | ● ACTIVE |
| AIAccu-labs, INC. | Chicago | — | ● ACTIVE |
Americo Chemical Products, LLC | Elgin | — | ● ACTIVE |
| AWAqualab Water Treatment INC | Prospect Heights | 1–19 | ● ACTIVE |
A-s Medication Solutions LLC | Libertyville | — | ● ACTIVE |
| APAstellas Pharma Us, INC. | Northbrook | 500+ | ● ACTIVE |
| BHBaxter Healthcare Corporation | Deerfield | — | ● ACTIVE |
Carolina Brands LLC | Jacksonville | — | ● ACTIVE |
Carus LLC | Peru | 100–499 | ● ACTIVE |
Cyclopure, INC. | Evanston | 20–99 | ● ACTIVE |
| CCCynamic Chemical Company | Batavia | 20–99 | ● ACTIVE |
| DADomino Amjet INC | Gurnee | 100–499 | ● ACTIVE |
Environetics INC | Lockport | 1–19 | ● ACTIVE |
Eton Pharmaceuticals, INC. | Deer Park | 20–99 | ● ACTIVE |
| FLFinish Line USA INC. | Elgin | 1–19 | ● ACTIVE |
Floor Chem INC | Romeoville | 1–19 | ● ACTIVE |
| GHGe Healthcare INC | Arlington Heights | — | ● ACTIVE |
H-o-h Water Technology, INC. | Palatine | — | ● ACTIVE |
Ilmo Products CO | Jacksonville | — | ● ACTIVE |
International Paint LLC | Waukegan | — | ● ACTIVE |
Kocour CO | Chicago | — | ● ACTIVE |
Lanzajet, INC. | Deerfield | 100–499 | ● ACTIVE |
Nalco Company LLC | Naperville | — | ● ACTIVE |
Riverbend Energetics Mfg., LLC | Alton | 100–499 | ● ACTIVE |
| SPSagent Pharmaceuticals, INC | Schaumburg | 100–499 | ● ACTIVE |
| SCSolomon Colors, Inc. Springfield | Springfield | 100–499 | ● ACTIVE |
| SLSpecgx LLC | Greenville | 20–99 | ● ACTIVE |
Stellar Solutions INC | Mchenry | 1–19 | ● ACTIVE |
The W.w. Henry Company, L.p. | Bourbonnais | — | ● ACTIVE |
Vantage Specialty Chemicals INC | Deerfield | 500+ | ● ACTIVE |
Wet International INC | Streamwood | 1–19 | ● ACTIVE |
Zarc International, INC. | Minonk | 1–19 | ● ACTIVE |
Abbott Laboratories INC. | North Chicago | — | ● ACTIVE |
| APAdvanz Pharma (us) CORP. | Bannockburn | — | ● ACTIVE |
Aeromotive Research and Defense Group, INC. | Rockford | — | ● ACTIVE |
Aether Fuels INC. | Chicago | — | ● ACTIVE |
Austin Chemical Company, INC. | Buffalo Grove | — | ● ACTIVE |
Biocare Labs, INC. | Posen | — | ● ACTIVE |
Biomist INC | Wheeling | — | ● ACTIVE |
Cater Chemical CORP | Roselle | — | ● ACTIVE |
Celadyne Technologies, INC. | Chicago | — | ● ACTIVE |
| CICf Industries Nitrogen LLC | Deerfield | — | ● ACTIVE |
Clarke Mosquito Control Products, INC. | Saint Charles | — | ● ACTIVE |
Clayens Rockford, LLC | Machesney Park | — | ● ACTIVE |
| CLCre'a's Love Butter LLC | Yorkville | — | ● ACTIVE |
Durable Lubricants Corporation | Dolton | — | ● ACTIVE |