| Airgas USA, LLC NY | Wholesale Trade | 0 | — | B |
| Airgas USA, LLC OH | Wholesale Trade | 0 | — | B |
| Airgas USA, LLC OK | Wholesale Trade | 0 | — | C |
| Airgas USA, LLC PA | Wholesale Trade | 0 | — | C |
| Airgas USA, LLC SC | Wholesale Trade | 0 | — | A |
| Airgas USA, LLC TN | Wholesale Trade | 0 | — | A |
| Airgas USA, LLC UT | Wholesale Trade | 0 | — | A |
| Airgas USA, LLC VA | Wholesale Trade | 0 | — | A |
| Airgas USA, LLC WI | Wholesale Trade | 0 | — | B |
| Airgas USA, LLC WV | Wholesale Trade | 0 | — | A |
| Airgas USA, LLC WY | Wholesale Trade | 0 | — | B |
| Airgas USA, LLC. NV | Wholesale Trade | 0 | — | B |
| Airgas, Inc. TX | Wholesale Trade | 1 | $138,518 | B |
| Airgo Systems, LLC OK | Manufacturing | 3 | $95,964 | A |
| AirGreen, Inc. DE | Manufacturing | 1 | $145,000 | — |
| Airhost Restaurant & Lounge NE | — | 0 | — | — |
| Airia LLC GA | Manufacturing | 1 | $121,493 | — |
| Airite Air Conditioning, Inc. FL | Construction | 0 | — | F |
| Airlanco, Inc. NE | Manufacturing | 0 | — | C |
| Airline Hydraulic SC | Wholesale Trade | 0 | — | A |
| Airline Hydraulics Corporation NJ | Manufacturing | 0 | — | A |
| Airline Hydraulics Corporation NY | Manufacturing | 0 | — | A |
| Airline Hydraulics Corporation PA | Manufacturing | 0 | — | B |
| Airline Hydraulics Corporation RI | Manufacturing | 0 | — | A |
| Airline Service Professionals LLC (at the JFK International Airport for Jet Blue) NY | — | 0 | — | — |
| Airline Tariff Publishing Company (ATPCO) VA | Professional & Technical Services | 7 | $146,920 | — |
| Airlines Reporting Corporation VA | Professional & Technical Services | 2 | $153,178 | — |
| Airlite Plastics PA | Manufacturing | 0 | — | F |
| Airlite Plastics Co CA | Manufacturing | 0 | — | F |
| Airlite Plastics Co. NC | Manufacturing | 0 | — | F |
| Airlite Plastics Co. NE | Manufacturing | 0 | — | F |
| Airlite Plastics Co. TN | Manufacturing | 0 | — | A |
| Airmark Components FL | Transportation & Warehousing | 0 | — | B |
| Airmaster Fan Company MI | Manufacturing | 0 | — | A |
| Airmasters IL | Construction | 0 | — | D |
| AirMDR, Inc. CA | Professional & Technical Services | 1 | $135,000 | — |
| AirMettle, Inc. TX | Professional & Technical Services | 1 | $100,000 | — |
| AirNet OH | Transportation & Warehousing | 0 | — | B |
| Airnov HCP NM | Manufacturing | 0 | — | A |
| Airo Mechanical LLC NC | Construction | 0 | — | D |
| Airoldi Brothers WI | Transportation & Warehousing | 0 | — | D |
| Airosmith Inc NY | Information & Media | 1 | $76,000 | — |
| Airosol Co. Inc. KS | Manufacturing | 0 | — | F |
| Airpark Plastics MI | Manufacturing | 0 | — | F |
| AirParts Aero Inc. VA | Manufacturing | 1 | $150,000 | — |
| AIRPIPE-USA, LLC AZ | Manufacturing | 1 | $63,939 | — |
| AirPlus LA | Construction | 0 | — | A |
| Airplus of California Inc. CA | Construction | 0 | — | F |
| Airport Appliance Inc CA | Retail Trade | 0 | — | A |
| AIRPORT AVIATION SERVICES, INC. PR | Transportation & Warehousing | 0 | — | A |
