| Air Design Systems NV | Construction | 0 | — | F |
| Air Design Systems, Inc. FL | Construction | 0 | — | C |
| Air Distribution Technologies CA | — | 0 | — | — |
| Air Education Inc CA | Educational Services | 1 | $125,000 | — |
| Air Engineers AL | Wholesale Trade | 0 | — | A |
| Air Excel LLC FL | Manufacturing | 0 | — | A |
| Air Fayre CA Inc. IN | Accommodation & Food Services | 0 | — | A |
| Air Fayre CA Inc. TN | Accommodation & Food Services | 0 | — | F |
| Air Fayre CA. Inc. CA | Accommodation & Food Services | 0 | — | A |
| Air Filter Plus Inc KS | Construction | 0 | — | F |
| Air Filter Supply CA | Wholesale Trade | 0 | — | A |
| AIR FILTERS, INC. TX | Wholesale Trade | 1 | $140,462 | F |
| Air Flow Equipment, Inc MI | Manufacturing | 0 | — | D |
| Air Flow Mechanical Incorporated CA | Construction | 0 | — | F |
| Air Force One, Inc. OH | Construction | 0 | — | D |
| Air Force Village West, Inc. d/b/a Altavita Village CA | — | 0 | — | — |
| Air Gas Technologies Inc NJ | Wholesale Trade | 0 | — | A |
| Air General CO | Transportation & Warehousing | 0 | — | A |
| Air General FL | Transportation & Warehousing | 0 | — | A |
| Air General IL | Transportation & Warehousing | 0 | — | A |
| Air General MO | Transportation & Warehousing | 0 | — | A |
| Air General NC | Transportation & Warehousing | 0 | — | A |
| Air General NH | Transportation & Warehousing | 0 | — | A |
| Air General TX | Transportation & Warehousing | 0 | — | A |
| Air General VA | Transportation & Warehousing | 0 | — | C |
| Air General, Inc. (at O'Hare Airport) IL | — | 0 | — | — |
| Air Ground Xpress PA | Transportation & Warehousing | 0 | — | F |
| AIR HANDLING EQUIPMENT, INC. OH | Wholesale Trade | 0 | — | A |
| Air Heater Seal Company Inc. OH | Manufacturing | 0 | — | A |
| AIR HYDRAULICS MI | Manufacturing | 0 | — | A |
| Air Hydro Power KY | Wholesale Trade | 0 | — | B |
| Air Incorporated MA | Wholesale Trade | 0 | — | A |
| Air Industries Group CT | Manufacturing | 0 | — | A |
| Air Industries Group NY | Manufacturing | 0 | — | F |
| Air Innovations LLC TX | Construction | 0 | — | B |
| Air Labs Inc, NY | Information & Media | 1 | $100,000 | — |
| Air Lift Company MI | Manufacturing | 0 | — | F |
| Air Liquide DE | Manufacturing | 0 | — | A |
| Air Liquide LA | Manufacturing | 0 | — | A |
| Air Liquide MA | Manufacturing | 0 | — | A |
| Air Liquide NY | Transportation & Warehousing | 0 | — | A |
| Air Liquide TX | Management of Companies | 0 | — | A |
| Air Liquide Advanced Materials CA | Manufacturing | 0 | — | F |
| Air Liquide Advanced Materials FL | Manufacturing | 0 | — | F |
| Air Liquide Advanced Materials NJ | Manufacturing | 0 | — | A |
| Air Liquide Advanced Materials PA | Manufacturing | 0 | — | F |
| Air Liquide Advanced Materials, Inc. TX | Manufacturing | 2 | $159,079 | — |
| Air Liquide Electronics MN | Manufacturing | 0 | — | A |
| Air Liquide Electronics NY | Transportation & Warehousing | 0 | — | A |
| Air Liquide Electronics PA | Manufacturing | 0 | — | C |