| AIAaf International Reed Plant | Louisville | KY | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| ALAaf Louisville Cartridge Plant | Louisville | KY | Machinery Manufacturing333413 | — | ◇ UNVERIFIED |
| AIAirguard Industries INC. | Louisville | KY | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| FEFortna Equipment LLC | Louisville | KY | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| GCGriffin & Company | Louisville | KY | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| KCKinergy Corporation | Louisville | KY | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| SSSandvik Sorting Systems | Louisville | KY | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| SRSanta Rosa Systems | Louisville | KY | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| TKThermo King CORP | Louisville | GA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| ZCZoeller Company | Louisville | KY | Machinery Manufacturing333911 | — | ◇ UNVERIFIED |
| AFAmericas Finest Filters INC | Louisville | KY | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| BMBlandford Machine & Tool Co., INC. | Louisville | KY | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| BMBluegrass Metal Works LLC | Louisville | KY | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| CLChallenger Lifts INC | Louisville | KY | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| GGGcs Grindmaster Crathco Systems | Louisville | KY | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| GBGrate Balls Afire | Louisville | KY | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| GNGreat Northern Holding LLC | Louisville | KY | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| HMHartlage Machine CO | Louisville | KY | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| HMHewlitt Manufacturing | Louisville | MS | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| ICIsopure, Corp. | Louisville | KY | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| KFKoch Filter Corporation | Louisville | KY | Machinery Manufacturing333412 | — | ◇ UNVERIFIED |
| LLLantechcom LLC | Louisville | KY | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| LCLouisville Cooler Mfg CO | Louisville | KY | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| PMPCK Manufacturing, LLC | Louisville | KY | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| PDPrecision Dies by Koehler LLC | Louisville | KY | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
 Precision Tool Die & Machine CO Dba Nth Works | Louisville | KY | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| SISpinnaker Industries International, INC. | Louisville | KY | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| TYThe Yurko Group LLC | Louisville | KY | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| VRVittitow Refrigeration INC | Louisville | KY | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
