| Arcos de Oro, Inc. CA | Accommodation & Food Services | 0 | — | B |
| Arcos Industries PA | Manufacturing | 0 | — | F |
| ARCOS LLC OH | Professional & Technical Services | 1 | $150,000 | — |
| Arcosa NM | Manufacturing | 0 | — | A |
| Arcosa - Meyer Utility Structures AL | Manufacturing | 0 | — | C |
| Arcosa Aggregates Gulf Coast, LLC LA | Administrative & Waste Services | 0 | — | A |
| Arcosa Aggregates Inc TX | Mining & Extraction | 0 | — | A |
| Arcosa Asphalt TN | Construction | 0 | — | A |
| Arcosa Crushed Concrete TX | Mining & Extraction | 0 | — | A |
| Arcosa Inc MO | Manufacturing | 0 | — | F |
| Arcosa Marine KY | Manufacturing | 0 | — | A |
| Arcosa Marine Products LA | Manufacturing | 0 | — | A |
| Arcosa Marine Products, Inc. MO | Manufacturing | 0 | — | F |
| Arcosa Materials TX | Mining & Extraction | 0 | — | A |
| Arcosa Shoring Products Inc. MI | Manufacturing | 0 | — | F |
| Arcosa Specialty Materials OK | Mining & Extraction | 0 | — | A |
| Arcosa Tank TX | Transportation & Warehousing | 0 | — | A |
| Arcosa Wind Towers OK | Manufacturing | 0 | — | C |
| Arcosa Wind Towers, Inc IA | Construction | 0 | — | F |
| Arcosa Wind Towers, Inc. IL | — | 0 | — | — |
| Arcosa Wintech LA | Manufacturing | 0 | — | F |
| Arcosa, Inc. IL | Manufacturing | 0 | — | A |
| Arcosa, Inc. KY | Construction | 0 | — | A |
| ArcoTech Drilling Solutions TX | Manufacturing | 0 | — | F |
| ARCove, LLC NH | Professional & Technical Services | 1 | $102,200 | — |
| Arcserve LLC MN | Professional & Technical Services | 1 | $73,819 | — |
| Arctaris Saddleback LLC ME | Arts & Entertainment | 0 | — | A |
| Arctera US LLC CA | Professional & Technical Services | 1 | $185,994 | — |
| ARCTIC AIR HOME SERVICES INC. FL | Construction | 0 | — | F |
| ARCTIC AIR PLUMBING SERVICES, INC. FL | Construction | 0 | — | F |
| ARCTIC AIR SERVICES INC FL | Construction | 0 | — | F |
| ARCTIC BREEZE AIR CONDITIONING & HEATING, INC FL | Construction | 0 | — | F |
| Arctic Cat/Textron MN | — | 0 | — | — |
| Arctic Circle Enterprises, LLC WA | — | 0 | — | — |
| Arctic Cooling Systems, LLC AZ | Professional & Technical Services | 0 | — | A |
| Arctic Cooling Systems, LLC CA | Construction | 0 | — | D |
| Arctic Cooling Systems, LLC NY | Professional & Technical Services | 0 | — | A |
| Arctic Express, Inc OH | Transportation & Warehousing | 0 | — | B |
| Arctic Fjord, Inc. WA | Manufacturing | 0 | — | B |
| Arctic Food Services, Inc. MO | Wholesale Trade | 1 | $55,765 | — |
| Arctic Fox, LLC MN | Manufacturing | 0 | — | F |
| Arctic Glacier CA | Manufacturing | 0 | — | F |
| Arctic Glacier CO | Manufacturing | 0 | — | D |
| Arctic Glacier IA | Manufacturing | 0 | — | F |
| Arctic Glacier IL | Manufacturing | 0 | — | A |
| Arctic Glacier IN | Manufacturing | 0 | — | D |
| Arctic Glacier KS | Manufacturing | 0 | — | B |
| Arctic Glacier MA | Manufacturing | 0 | — | F |
| Arctic Glacier ME | Manufacturing | 0 | — | F |
| Arctic Glacier MI | Manufacturing | 0 | — | F |
