| Ampac Holdings LLC OH | Manufacturing | 0 | - | C |
| Ampacet Corporation LA | Manufacturing | 0 | - | A |
| Ampaire INC CA | Professional & Technical Services | 1 | $134,001 | - |
| Ampam Parks Mechanical CA | Construction | 0 | - | F |
| Ampco TN | - | 0 | - | - |
| AMPCO North, Inc. CA | Construction | 0 | - | F |
| Ampco Pumps Company WI | Manufacturing | 0 | - | F |
| Ampco Systems Parking/Ppm,LLC (Oakland Airport Pkg) CA | - | 0 | - | - |
| Ampcontrol Technologies Inc. NY | Professional & Technical Services | 1 | $96,848 | - |
| Ampcus IA | - | 0 | - | - |
| Ampcus MD | - | 0 | - | - |
| AMPCUS, Inc. VA | Professional & Technical Services | 7 | $123,286 | - |
| Ampd Energy USA LLC DE | Utilities | 2 | $170,000 | - |
| Ampere Computing LLC CA | Manufacturing | 11 | $177,120 | - |
| Amperesand Inc. CA | Manufacturing | 2 | $208,902 | - |
| Amperity, Inc. WA | Professional & Technical Services | 2 | $170,155 | - |
| Ampersand Biomedicines, Inc. MA | Professional & Technical Services | 1 | $90,000 | - |
| Amphastar Pharmaceutical Inc. CA | Manufacturing | 0 | - | F |
| Amphenol NY | Manufacturing | 0 | - | C |
| Amphenol Aerospace NY | Manufacturing | 0 | - | B |
| Amphenol Nexus Technologies CT | Manufacturing | 0 | - | F |
| Amphenol Printed Circuits NH | Manufacturing | 0 | - | D |
| Amphenol Sine Systems FL | - | 0 | - | - |
| Amphenol T&M Antennas, Inc. IL | Construction | 1 | $124,800 | - |
| Amphenol TCS, a division of Amphenol Corporation NH | Manufacturing | 3 | $111,981 | - |
| Amphenol Tecvox, LLC AL | Professional & Technical Services | 3 | $113,333 | - |
| Amphenol Thermometrics, Inc. PA | Manufacturing | 3 | $104,524 | - |
| Amphion Global Inc TX | Professional & Technical Services | 2 | $115,888 | - |
| Ampine LLC - Timber Products Company CA | - | 0 | - | - |
| Ampion, PBC MA | Utilities | 1 | $124,000 | - |
| Ampirical Services Inc. CA | - | 0 | - | - |
| Ampirical Services, Inc. LA | Professional & Technical Services | 2 | $163,468 | - |
| Ampirical Solutions, LLC LA | Professional & Technical Services | 1 | $135,762 | A |
| Ampla Health CA | Healthcare & Social Assistance | 3 | $198,067 | - |
| Ample Hills Creamery (14 NYC sites) NY | - | 0 | - | - |
| Ample IT Services LLC TX | Professional & Technical Services | 6 | $102,045 | - |
| Ample, Inc. CA | Manufacturing | 1 | $174,283 | - |
| Amplifai Solutions, Inc. TX | Professional & Technical Services | 1 | $85,000 | - |
| AmpliFI Loyalty Solutions IL | Professional & Technical Services | 3 | $105,817 | - |
| Amplified Cactus LLC CA | Information & Media | 1 | $49,500 | - |
| Amplify Bio, LLC OH | - | 0 | - | - |
| Amplify Cell Technologies LLC MS | Manufacturing | 3 | $252,119 | - |
| Amplify Education, Inc. NY | Professional & Technical Services | 2 | $151,875 | - |
| Amplify Surgical, Inc. CA | Professional & Technical Services | 1 | $92,290 | - |
| AmplifyBio, LLC OH | Professional & Technical Services | 1 | $121,139 | - |
| Amplio Logistics CA | Transportation & Warehousing | 0 | - | F |
| Amplitude, Inc. CA | Professional & Technical Services | 11 | $187,312 | - |
| Amplyus LLC MA | Manufacturing | 1 | $66,633 | - |
| Amports MD | - | 0 | - | - |
| Amports Inc FL | Other Services | 0 | - | F |