| TDTimken Drives | Clinton | IA | Paper Manufacturing322215 | — | ◇ UNVERIFIED |
| PSPrinting Services INC | Belmond | IA | Paper Manufacturing322122 | 20-99 | ◇ UNVERIFIED |
| BUBox USA | Fort Madison | IA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| EBEnnis Business Forms INC | De Witt | IA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| GPGraphic Packaging International LLC | Newton | IA | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| HPHood Packaging Corporation | Sibley | IA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| KIKilborn, INC. | Cedar Rapids | IA | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| MMMackay Mitchell Envelope CORP | Mt Pleasant | IA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| PCPackaging CORP of America-marshalltown | Marshalltown | IA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| PEPriority Envelope INC | Nevada | IA | Paper Manufacturing322232 | — | ◇ UNVERIFIED |
| TPTama Paperboard, LLC | Tama | IA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| TETension Envelope Corporation | Des Moines | IA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| WCWestrock Company | Des Moines | IA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WCWestrock Container | Cedar Rapids | IA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| BPBagcraft Packaging, LLC | Fort Madison | IA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| IPInternational Paper | Cedar Rapids | IA | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| MCMason City Recycling Center, LTD | Mason City | IA | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
| PCPatriot Converting INC. | Newton | IA | Paper Manufacturing322213 | — | ◇ UNVERIFIED |
| PCPatriot Converting, INC. | Newton | IA | Paper Manufacturing322213 | — | ◇ UNVERIFIED |
| RRocktenn | Sioux City | IA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| UTUfp Technologies | Clinton | IA | Paper Manufacturing322224 | — | ◇ UNVERIFIED |
| WCWestrock Cp LLC | Sioux City | IA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
