| Rubber Applications, Inc. FL | Construction | 0 | — | C |
| Rubber Designs GA | Manufacturing | 0 | — | F |
| Rubber Fab NJ | Manufacturing | 0 | — | D |
| Rubber Industries Inc MN | Manufacturing | 0 | — | A |
| RUBBERCRAFT CORP OF CALIFORNIA CA | Manufacturing | 0 | — | F |
| RUBBERCRAFT CORPORATION OF CALIFORNIA CA | Manufacturing | 0 | — | F |
| Rubbercycle LLC NJ | Administrative & Waste Services | 0 | — | A |
| RubberForm Recycled Products, LLC NY | Manufacturing | 0 | — | F |
| Rubberlite Inc. WV | Manufacturing | 0 | — | F |
| Rubbermaid KS | Manufacturing | 0 | — | A |
| Rubbermaid OH | — | 0 | — | — |
| Rubbermaid Commercial Products VA | — | 0 | — | — |
| Rubbermaid Commercial Products LLC PA | — | 0 | — | — |
| Rubbermaid Commercial Products LLc TX | — | 0 | — | — |
| RUBEN ALVARADO CA | Agriculture & Forestry | 0 | — | F |
| Ruben E. Smith Const. and R&R, Inc. IL | Construction | 0 | — | A |
| Ruben's Fleet Service TX | Other Services | 0 | — | A |
| Ruben's Pipeline, Inc. CA | Construction | 0 | — | F |
| RUBENS PIPELINE INC CA | Construction | 0 | — | F |
| RUBICON GENERAL CONTRACTORS LLC FL | Construction | 0 | — | A |
| Rubicon Global Holdings, LLC KY | Public Administration | 1 | $135,000 | — |
| Rubicon Global Holdings, LLC NY | Public Administration | 1 | $100,000 | — |
| Rubicon Professional Services GA | Construction | 0 | — | A |
| Rubicon Systems America, Inc. CO | Utilities | 0 | — | A |
| Rubicon Technical Services GA | Construction | 0 | — | A |
| Rubicon, L.L.C LA | Manufacturing | 0 | — | A |
| Rubidoux Community Services District CA | Utilities | 0 | — | F |
| Rubies II, LLC AZ | — | 0 | — | — |
| Rubik Built, LLC CA | Construction | 1 | $139,464 | — |
| Rubik Systems LLC NJ | Professional & Technical Services | 2 | $104,490 | — |
| RUBIK SYSTEMS LLC NY | Professional & Technical Services | 1 | $94,300 | — |
| Rubin Postaer and Associates (RPA) CA | — | 0 | — | — |
| Rubin Postaer Associates CA | — | 0 | — | — |
| Rubino & Company, Chartered MD | Professional & Technical Services | 2 | $76,600 | — |
| Rubino Brothers, Inc. CT | Wholesale Trade | 0 | — | D |
| RUBINOS AND MESIA ENGINEERS, INC. IL | Construction | 1 | $107,474 | — |
| Rubio Arts Corporation CA | — | 0 | — | — |
| RUBIO VEGETATION MANAGEMENT INC NC | Manufacturing | 0 | — | F |
| Rubio's Vineyard Management, LLC CA | Agriculture & Forestry | 0 | — | A |
| RUBISTONE TECHNOLOGIES LLC NC | Professional & Technical Services | 6 | $105,284 | — |
| Rubius Therapeutics RI | — | 0 | — | — |
| Rubius Therapeutics, Inc. MA | — | 0 | — | — |
| Rubright Construction, Inc. PA | Construction | 0 | — | A |
| Rubrik, Inc. CA | Professional & Technical Services | 43 | $200,337 | — |
| Ruby & Quiri Inc. NY | Retail Trade | 0 | — | A |
| Ruby Collins Inc. GA | Construction | 0 | — | A |
| Ruby Tuesday NE | — | 0 | — | — |
| Ruby Tuesday TN | — | 0 | — | — |
| Ruby Valley Hospital MT | Healthcare & Social Assistance | 0 | — | F |
| Ruby Wines MA | Wholesale Trade | 0 | — | F |