| WCWahl Clipper CORP | Sterling | IL | Electrical Equipment, Appliance & Component Manufacturing335210 | 500+ | ● ACTIVE |
| MMMaclean Mallard LLC | Sterling | IL | Machinery Manufacturing333922 | 100-499 | ● ACTIVE |
Sterling Business Machines INC | Sterling | IL | Miscellaneous Manufacturing339940 | — | ● ACTIVE |
| FMFrantz Mfg CO - Bearing Div | Sterling | IL | Fabricated Metal Product Manufacturing332991 | — | ◐ LIKELY ACTIVE |
| MUMenk USA | Sterling | IL | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| SSSterling Systems & Controls | Sterling | IL | Electrical Equipment, Appliance & Component Manufacturing335314 | 20-99 | ◐ LIKELY ACTIVE |
| AMAstec Mobile Screens | Sterling | IL | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| BPBob Propheter Construction LLC | Sterling | IL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CRCimco Recycling INC | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DDDana Driveshaft Manufacturing LLC | Sterling | IL | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| FMFrantz Mfg CO | Sterling | IL | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| LHLawrence Hardware | Sterling | IL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| LILinde INC | Sterling | IL | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MIMicron Industries CORP | Sterling | IL | Electrical Equipment, Appliance & Component Manufacturing335311 | — | ◇ UNVERIFIED |
| NMNational Manufacturing CO | Sterling | IL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| NSNorthwestern Steel and Wire | Sterling | IL | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| QPQuality Plating | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| QRQuality Ready Mix Concrete CO | Sterling | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WAWw Asphalt INC | Sterling | IL | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAstec Industries, Inc. | Sterling | IL | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| HMHPS Micron Group, LLC | Sterling | IL | Computer and Electronic Product Manufacturing334416 | 20-99 | ◐ LIKELY ACTIVE |
| MMMacLean - Mallard IC | Sterling | IL | Machinery Manufacturing333922 | 1-19 | ◐ LIKELY ACTIVE |
| PIP&P Industries, Inc. | Sterling | IL | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| AMAlliance Materials | Sterling | IL | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| DIDuragrind, Inc. | Sterling | IL | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| ELExpress Lane Gas & Food | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| ELExpress Lane Gas & Food Mart | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| JCjhz cement llc | Sterling | IL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| KFKroger Fuel Center 953 | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| LILinde INC | Sterling | IL | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| PBPlainwell Brass INC | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| QRQuality Ready Mix Concrete CO INC | Sterling | IL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RRRock River Auto Body INC | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SMSterling Mart | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SSSterling Steel CO LLC | Sterling | IL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SWSterling Wilbert Vault CO | Sterling | IL | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SPSuper Pantry 47 | Sterling | IL | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Sterling | IL | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| VEValley Energy | Sterling | IL | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |