| APAir Products Manufacturing CORP. | Granite City | IL | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| AIAkj Industries INC | Granite City | IL | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| ACAmerican Colloid CO | Granite City | IL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ARAppliance Recylcers INC | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Archer Daniels Midland CO | Granite City | IL | Food Manufacturing311222 | — | ◇ UNVERIFIED |
| BDBenton Drumming CORP | Granite City | IL | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CCCelta Chemical | Granite City | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GCGranite City Pickling & Warehousing | Granite City | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| IEIllinois Electric Works | Granite City | IL | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| OTOil Technology INC | Granite City | IL | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| SOStripmasters of Illinois | Granite City | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| VSVelocity Services LLC | Granite City | IL | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| GCGranite City Trailer | Granite City | IL | Miscellaneous Manufacturing339999 | 1-19 | ◇ UNVERIFIED |
| SLSt. Louis Thermal Spray and Grinding, LLC | Granite City | IL | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| 7I7-11 INC | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| BLBuske Lines INC | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| GDGrain Densification International, LLC | Granite City | IL | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| GTGroendyke Transport | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KLKienstra-illinois LLC | Granite City | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LELinkeman Ent INC Dba Jethrows Quick Shop Zepher Express | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MMMcs Midwest LLC | Granite City | IL | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| OBOmni Bioenergy LLC | Granite City | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PSPar Services INC - Concrete Division | Granite City | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| QTQuality Testing & Engineering INC | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RCRed-e-mix-granite City | Granite City | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SLScf Lewis and Clark Fleeting, LLC | Granite City | IL | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| SLSt Louis Thermal Spray & Grinding | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| STSupreme Trucking & Excavating LLC | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TMTotall Metal Recycling INC | Granite City | IL | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| TITranswood INC | Granite City | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
