| HSHamilton Sundstrand CORP | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HAHarrison Ave Mart | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| HMHeritage Mold, Incorporated | Rockford | IL | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| ISImage Signs, INC. | Rockford | IL | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| IMIndustrial Molds, Inc. | Rockford | IL | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| ILIntegrated Label Corporation | Rockford | IL | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| JDJeremiah Dennison | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JSJKD Sugar & Spice, Inc. | Rockford | IL | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| JPJ&M Plating, Inc. | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| JBJohn Byrne Jr | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JNJones Natural Chews Company | Rockford | IL | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| KPKadon Precision Machining, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| KSKilburn Shell | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| KWKrazy Wills | Rockford | IL | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| LELeading Edge Group, INC. | Rockford | IL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| LPLegacy Plastics, INC. | Rockford | IL | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| LPLind-remsen Printing CO INC | Rockford | IL | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MTMartin Technology | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MPMasters Plating | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MIMgf Industries | Rockford | IL | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| MRMichels Road & Stone INC | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MFMidwest Forging Die Dba Water Works of Rockford | Rockford | IL | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| MMM & M Paltech INC | Rockford | IL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| MMobil | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| MCModern Custom Casting | Rockford | IL | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| MMMoore Metal Finishing | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NMN Main St Mobil | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NGN-trak Group LLC | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| OCOzinga Concrete | Rockford | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OROzinga Ready Mix | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PPP & P Gas INC | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| POPremium Oil CO | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| PRPrem Reliance INC | Rockford | IL | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| PPPyramid Plastics, INC. | Rockford | IL | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| QHQuality Hammer | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| QTQuik Trip Store # 7206 | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RTRestoration Tools, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| RRRoad Ranger 202 | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RRRoad Ranger 203 | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RRRoad Ranger 208 | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RRRoad Ranger 218 | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RBRockford Brake Manufacturing, INC. | Rockford | IL | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| RCRockford Composting INC | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| RORockford Orthopedic Appliance Co. | Rockford | IL | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| SPSafeway Products | Rockford | IL | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| SPSandy Phillips 66 256 | Rockford | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SCSeal-rite CORP. | Rockford | IL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| SSSecondary Solutions, Inc. | Rockford | IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
 Siemens Industry INC | Rockford | IL | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| SRSigns Rockford LLC | Rockford | IL | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
