| Railroad Construction Co., Inc. -Paterson, NJ Location NJ | Construction | 0 | — | A |
| Railroad Nursery, Inc. FL | Agriculture & Forestry | 0 | — | F |
| Railroad Resources LLC AL | Transportation & Warehousing | 0 | — | A |
| Railroad/Posillico JV LLC NJ | Construction | 0 | — | D |
| Railserve LA | — | 0 | — | — |
| Railside Enterprises Inc. VA | Transportation & Warehousing | 0 | — | C |
| Railway Health Inc. NY | Finance & Insurance | 1 | $175,000 | — |
| RailWorks TX | Manufacturing | 0 | — | A |
| Railworks Corporation NY | Construction | 2 | $155,277 | A |
| RailWorks Maintenance of Way, LLC FL | Other Services | 0 | — | B |
| RailWorks Maintenance of Way, LLC MO | Other Services | 0 | — | A |
| RailWorks Signals & Communications, LLC FL | Construction | 0 | — | A |
| RailWorks Track Maintenance of Way LLC FL | Other Services | 0 | — | A |
| RailWorks Track Maintenance of Way LLC MO | Other Services | 0 | — | A |
| RailWorks Track Services LLC MN | Construction | 0 | — | A |
| RailWorks Track Services, LLC CA | Construction | 0 | — | C |
| RailWorks Track Services, LLC IL | Construction | 0 | — | A |
| RailWorks Track Services, LLC IN | Construction | 0 | — | A |
| RailWorks Track Services, LLC MA | Construction | 0 | — | A |
| RailWorks Track Services, LLC MD | Construction | 0 | — | A |
| RailWorks Track Services, LLC MO | Construction | 0 | — | A |
| RailWorks Track Services, LLC NJ | Construction | 0 | — | C |
| RailWorks Track Systems LLC FL | Construction | 0 | — | A |
| RailWorks Track Systems LLC LA | Construction | 0 | — | A |
| RailWorks Track Systems LLC NE | Construction | 0 | — | A |
| RailWorks Track Systems LLC UT | Construction | 0 | — | F |
| RailWorks Track Systems, LLC CA | Construction | 0 | — | A |
| RailWorks Track Systems, LLC GA | Construction | 0 | — | D |
| RailWorks Track Systems, LLC MN | Construction | 0 | — | F |
| RailWorks Track Systems, LLC TX | Construction | 0 | — | A |
| RailWorks Track Systems, LLC WA | Construction | 0 | — | D |
| RailWorks Track Systems, LLC WI | Construction | 0 | — | F |
| RailWorks Transit, LLC NY | Construction | 0 | — | F |
| Rain Bird Corporation AL | Transportation & Warehousing | 0 | — | A |
| Rain Bird Corporation AZ | Manufacturing | 0 | — | A |
| Rain Bird Corporation CA | Manufacturing | 0 | — | D |
| Rain CII Carbon LLC LA | Manufacturing | 0 | — | B |
| Rain Corporation IN | Professional & Technical Services | 1 | $90,000 | — |
| RAIN DROP FOUNDATION, INC TX | Other Services | 2 | $58,271 | — |
| Rain Enhancement Technologies, Inc. FL | Manufacturing | 1 | $129,771 | — |
| Rain King, Inc. TX | Construction | 0 | — | A |
| RAIN SERVICES INC NC | Construction | 0 | — | D |
| RAINA PROPERTIES LLC MI | Accommodation & Food Services | 1 | $111,155 | — |
| Rainberry, Inc. CA | — | 0 | — | — |
| Rainbow Angling Lake Village Community Association, Inc. CA | — | 0 | — | — |
| Rainbow Beach Care Center IL | — | 0 | — | — |
| Rainbow Blossom IN | Retail Trade | 0 | — | A |
| Rainbow Blossom KY | Retail Trade | 0 | — | C |
| Rainbow Bridge Natural Food Store, Inc. CA | Retail Trade | 0 | — | F |
| Rainbow Companies MN | Administrative & Waste Services | 0 | — | F |