| Air Products and Chemicals Inc. TN | Manufacturing | 0 | — | F |
| Air Products and Chemicals Inc. WA | Manufacturing | 0 | — | D |
| Air Products and Chemicals Inc. WI | Manufacturing | 0 | — | F |
| Air Products and Chemicals, Inc. PA | Manufacturing | 3 | $138,258 | A |
| Air Products and Chemicals, Inc. TX | Manufacturing | 0 | — | A |
| Air Professional Associates, LLC NY | Construction | 0 | — | F |
| Air Quality Engineering, Inc. MN | Manufacturing | 0 | — | F |
| Air Quality Innovative Solutions, LLC (d/b/a AQUIS) FL | Manufacturing | 0 | — | C |
| Air Ready AR | Manufacturing | 0 | — | A |
| Air Reps, LLC OR | Wholesale Trade | 0 | — | A |
| Air Reps, LLC WA | Wholesale Trade | 0 | — | A |
| Air Resources Americas LLC TX | Administrative & Waste Services | 0 | — | A |
| Air Service Hawaii, Inc HI | Transportation & Warehousing | 0 | — | A |
| Air Services Company IL | Wholesale Trade | 0 | — | B |
| AIR SHELTERS USA LLC FL | Manufacturing | 0 | — | F |
| AIR SOLUTIONS HEATING & COOLING INC. OK | Construction | 0 | — | F |
| Air Source America, Inc. DBA Buehler Air Conditioning FL | Construction | 0 | — | A |
| Air Starter Components TX | Manufacturing | 0 | — | F |
| Air Stream Air Conditioning NY | Construction | 0 | — | F |
| Air System Components TX | Manufacturing | 0 | — | A |
| Air System Services, Inc. NC | Construction | 0 | — | D |
| Air Systems and Pump Solutions OK | Wholesale Trade | 0 | — | A |
| Air Systems Components OK | — | 0 | — | — |
| AIR SYSTEMS COMPONENTS INC NC | Manufacturing | 0 | — | A |
| Air Systems Mfg. of Lenoir, Inc. NC | Wholesale Trade | 0 | — | A |
| Air Systems Service & Construction CA | Construction | 0 | — | D |
| Air Systems, Inc. CA | Wholesale Trade | 1 | $116,730 | A |
| Air Tahiti Nui CA | Transportation & Warehousing | 0 | — | A |
| Air Tahiti Nui - Los Angeles World Airports CA | Transportation & Warehousing | 0 | — | A |
| Air Tech Cooling, Inc. NY | Construction | 0 | — | A |
| Air Techniques, Inc. NY | Manufacturing | 0 | — | F |
| Air Technology Engines Inc FL | Manufacturing | 0 | — | A |
| Air Temp Heating & Air Conditioning, Inc. NY | Construction | 0 | — | A |
| Air Temp Heating & Electrical FL | Construction | 0 | — | A |
| Air Temperature Services, Inc. WI | Construction | 0 | — | F |
| Air Temperature Specialists CA | Construction | 0 | — | F |
| Air Terminal Gifts UT | — | 0 | — | — |
| Air Tite Insulation, LLC KY | Construction | 0 | — | A |
| Air Tractor, Inc. TX | Manufacturing | 0 | — | F |
| Air Transport Interational FL | Transportation & Warehousing | 0 | — | A |
| Air Transport International AK | Transportation & Warehousing | 0 | — | A |
| Air Transport International AZ | Transportation & Warehousing | 0 | — | A |
| Air Transport International FL | Transportation & Warehousing | 0 | — | A |
| Air Transport International GA | Transportation & Warehousing | 0 | — | A |
| Air Transport International HI | Transportation & Warehousing | 0 | — | A |
| Air Transport International KY | Transportation & Warehousing | 0 | — | A |
| Air Transport International MD | Transportation & Warehousing | 0 | — | A |
| Air Transport International MN | Transportation & Warehousing | 0 | — | A |
| Air Transport International MO | Transportation & Warehousing | 0 | — | A |
| Air Transport International NJ | Transportation & Warehousing | 0 | — | A |
