| PCPress-seal Corporation | Fort Wayne | IN | — | ◇ UNVERIFIED |
| PSPress Seal Gasket CORP | Fort Wayne | IN | — | ◇ UNVERIFIED |
| PLPrime Laminating | North Attleboro | MA | — | ◇ UNVERIFIED |
| PIProform Industries INC | Union | IL | — | ◇ UNVERIFIED |
| PMPromed Molded Products INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| PProteor | Irvine | CA | — | ◇ UNVERIFIED |
| PLPruett, LLC | Woodland | CA | — | ◇ UNVERIFIED |
| PLPuffCuff LLC | Marietta | GA | — | ◇ UNVERIFIED |
| PAPyle Associates | Memphis | TN | — | ◇ UNVERIFIED |
| QGQsgi Green/green Energy Masters | Eatontown | NJ | — | ◇ UNVERIFIED |
| QMQuality Manufacturing INC | Winchester | KY | — | ◇ UNVERIFIED |
| QSQuality Synthetic Rubber (3i Inc) | Jasper | GA | — | ◇ UNVERIFIED |
| RIRanco Industries, Inc. | Houston | TX | — | ◇ UNVERIFIED |
| RTRapid Tech INC | Covington | GA | — | ◇ UNVERIFIED |
| RERavand Enterprises INC. Assal Pastry | Irvine | CA | — | ◇ UNVERIFIED |
| RDR & D Metal Fabricators | Huntington Beach | CA | — | ◇ UNVERIFIED |
R D Rubber Technology | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| RSReal Seal CO INC | Escondido | CA | — | ◇ UNVERIFIED |
| RVRed Valve Company | Gastonia | NC | — | ◇ UNVERIFIED |
| RRRegional Rubber Company | Lilburn | GA | — | ◇ UNVERIFIED |
Reiss Manufacturing INC. | Englishtown | NJ | — | ◇ UNVERIFIED |
| RAReliance Aeroproducts International, INC | Mansfield | TX | — | ◇ UNVERIFIED |
| RIRemington Industries INC | Ooltewah | TN | — | ◇ UNVERIFIED |
| RMRemington Manufacturing | South El Monte | CA | — | ◇ UNVERIFIED |
| RMResource Management Co., INC. | Ovid, 2.3 Mi Ne of | CO | — | ◇ UNVERIFIED |
| RLReTress, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
Revolv Manufacturing, Inc. | Brainerd | MN | — | ◇ UNVERIFIED |
Revolv Manufacturing, Inc. | Hoyt Lakes | MN | — | ◇ UNVERIFIED |
| RHRex Hide Industries INC | Grafton | WV | — | ◇ UNVERIFIED |
| RBRfd Beaufort INC Formerly Inflatable Survival Systems, INC | Sharon Center | OH | — | ◇ UNVERIFIED |
| RFR F Gansereit & Associates | Atlanta | GA | — | ◇ UNVERIFIED |
| RLRichard L. Lemmon | Edon | OH | — | ◇ UNVERIFIED |
| RRRichard Roder | East Hartford | CT | — | ◇ UNVERIFIED |
| RERigger Engineering, INC. | Sylmar | CA | — | ◇ UNVERIFIED |
| RRRio Rubber Track, Inc. | Temecula | CA | — | ◇ UNVERIFIED |
| RCRitus CORP | Milwaukee | WI | — | ◇ UNVERIFIED |
| RJR & J Manufacturing Company | Commerce Township | MI | — | ◇ UNVERIFIED |
| RZR&m Zamora Corporation Dba All Size Foam & Fabric | Vernon | CA | — | ◇ UNVERIFIED |
| RRRobertson Recreational Surfaces | Oakland | CA | — | ◇ UNVERIFIED |
| RDRobin Development Center (0238000164) | Berlin Twp. | OH | — | ◇ UNVERIFIED |
| RIRobin Industries Cleveland Manufacturing Division | Cleveland | OH | — | ◇ UNVERIFIED |
| RRRobinson Rubber Products CO INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RHRodney Hunt Company | Orange | MA | — | ◇ UNVERIFIED |
| RCRogers Corporation | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| RCRogers Corporation, Bisco Materials Unit | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| RCRogers CORP Willimantic | South Windham | CT | — | ◇ UNVERIFIED |
| RERogers Elastomer Components Divison | Windham | CT | — | ◇ UNVERIFIED |
| RARo-lab American Rubber Company | Tracy | CA | — | ◇ UNVERIFIED |
| RGRoll Group | Romeoville | IL | — | ◇ UNVERIFIED |
Roman Global Resources, Inc. | Indio | CA | — | ◇ UNVERIFIED |