| PPioneer | Johnston | IA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PFPippert Farms | Mason City | IA | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| PFPj Food Service INC | Des Moines | IA | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| PDPoet Dsm Project Liberty LLC | Emmetsburg | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| PFPostville Farmers Cooperative Society | Postville | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PSPowder Shop INC the | Cedar Rapids | IA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PAPpg Architectural Finishes INC | Des Moines | IA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PIPrecision INC | Corning | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PRPrecision Resistive Products | Mediapolis | IA | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| PAPremier a & B Services | Des Moines | IA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| PPPretium Pkg | Muscatine | IA | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| PAPrince Agri.prod.inc | Marion | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PMPrince Mfg CORP | Sioux City | IA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| PIPrinsco, INC. | Jesup | IA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| PEPriority Envelope INC | Nevada | IA | Paper Manufacturing322232 | — | ◇ UNVERIFIED |
| PHProliant Health & Biologicals | Boone | IA | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| PRProtein Resources INC | West Bend | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| PGPyro Graphics | West Des Moines | IA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| QAQc Analytical Services LLC - Administrative Id # Only | Le Claire | IA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| QPQg Printing Ii, LLC | Waukee | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| QCQuad City Drum Recycling CO | Davenport | IA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| QMQuality Mat CO INC | Waterloo | IA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| QAQuandt Auto Salvage | Carroll | IA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| QWQuebecor World Dubuque INC | Dubuque | IA | Printing and Related Support Activities323117 | — | ◇ UNVERIFIED |
| ROReconserve of Iowa, INC. | Anamosa | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| RGRed Giant Oil Company | Council Bluffs | IA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| RTRegency Thermographers | Dubuque | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RPRevere Plastics Systems, LLC | Ankeny | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RMRiinker Materials | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
 Ring-o-matic INC | Pella | IA | Miscellaneous Manufacturing339994 | — | ◇ UNVERIFIED |
| RGRiverstone Group, INC - Bettendorf | Bettendorf | IA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| RMRosenboom Machine & Tool, INC. | Spirit Lake | IA | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| RCRoskamp Champion | Waterloo | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| RDRr Donnelley INC - Iowa City | Iowa City | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RDRr Donnelley INC - Osage | Osage | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| RURs Used Oil Services INC - Former Site of | Des Moines | IA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| RRyerson | Marshalltown | IA | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| SISalford INC | Osceola | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| SLSara Lee CORP Feed Mill-storm Lake Ia | Storm Lake | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| SMScranton Mfg CO Inc-carroll | Carroll | IA | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| SFSeaboard Food of Iowa | Iowa Falls | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| SCSelectivend CORP | Waukee | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SMSheaffer Manufacturing CO LLC | Fort Madison | IA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SESimply Essentials Poultry | Charles City | IA | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| SSSivyer Steel CORP | Bettendorf | IA | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| SCSmith Cabinet Works | Dyersville | IA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| SISpec-cast INC | Dyersville | IA | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| SSS & S Machine & Manufacturing LLC | Pleasantville | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| SNStandard Nutrition CO | Bancroft | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| SEStoller Enterprises-cedar Rapids | Cedar Rapids | IA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
