| ON TIME DEPARTURE LLC FL | Transportation & Warehousing | 0 | — | D |
| On Time Heating and Air Conditioning DBA Service Champions CA | Construction | 0 | — | F |
| On Time Logistics Solutions LLC FL | Transportation & Warehousing | 0 | — | F |
| On Time Pkgs LLC FL | Transportation & Warehousing | 0 | — | B |
| On Time Portables, LLC MI | Administrative & Waste Services | 0 | — | A |
| On Time Prime LLC FL | Transportation & Warehousing | 0 | — | B |
| On Time Staffing NJ | — | 0 | — | — |
| On Time Trucking, Inc. NY | Transportation & Warehousing | 0 | — | C |
| On Top Delivery LLC FL | Transportation & Warehousing | 0 | — | F |
| On Top of the World Communities, LLC FL | Construction | 0 | — | F |
| On Top Roofing LLC HI | Construction | 0 | — | A |
| On Track Construction, LLC IA | Construction | 0 | — | D |
| On With Life IA | — | 0 | — | — |
| ON YOUR MARK INC NY | Healthcare & Social Assistance | 0 | — | F |
| On-Board Companies MI | — | 0 | — | — |
| On-Board PMO OH | Administrative & Waste Services | 0 | — | A |
| On-Board PMO COVID19 NC | — | 0 | — | — |
| On-Demand Logistics Service LLC AZ | Transportation & Warehousing | 0 | — | F |
| ON-IT Logistics LLC WA | Transportation & Warehousing | 0 | — | F |
| On-Line Taxes, Inc. MO | Professional & Technical Services | 1 | $155,000 | — |
| On-Target Supplies & Logistics, Ltd. TX | Professional & Technical Services | 0 | — | F |
| On-Time Delivery Services MD | Transportation & Warehousing | 0 | — | A |
| ON24, Inc. CA | Professional & Technical Services | 3 | $168,852 | — |
| ONA Polymers TX | Manufacturing | 0 | — | C |
| Onaga Health and rehab KS | Healthcare & Social Assistance | 0 | — | F |
| Onai Inc. CA | Professional & Technical Services | 1 | $133,245 | — |
| OnAir Mechanical Contractor FL | Construction | 0 | — | A |
| Onamac Industries Inc WA | Manufacturing | 0 | — | D |
| ONB Bank MN | Finance & Insurance | 0 | — | A |
| OnBoard Companies WV | Manufacturing | 0 | — | A |
| Onboard Dynamics LLC OR | Manufacturing | 0 | — | A |
| Onboard Logistics USA Inc. FL | Transportation & Warehousing | 1 | $40,000 | — |
| OnboardIQ Inc. CA | Professional & Technical Services | 2 | $198,000 | — |
| OnboardIT, LLC AZ | Professional & Technical Services | 1 | $122,471 | — |
| OnCall Urgent Care IL | — | 0 | — | — |
| OnCare Digital Assets Inc. WI | Other Services | 0 | — | A |
| Oncare Digital Assets, Inc. TX | Other Services | 1 | $140,000 | F |
| Once Again Nut Butter NY | Manufacturing | 0 | — | C |
| Oncology Analytics Inc. d/b/a OncoHealth GA | Finance & Insurance | 1 | $140,000 | — |
| OncoMed Pharmaceuticals, Inc. CA | — | 0 | — | — |
| Oncor Electric Delivery CO LLC TX | Utilities | 0 | — | A |
| OnCore Consulting, LLC CA | Professional & Technical Services | 2 | $109,075 | — |
| ONCORE Federal, LLC NE | Construction | 1 | $175,000 | — |
| Oncore Manufacturing Services CA | — | 0 | — | — |
| OnCorps, Inc. MA | Administrative & Waste Services | 1 | $171,600 | — |
| ONCORRE, INC. NJ | Professional & Technical Services | 4 | $127,827 | — |
| OnCue #906 OK | Transportation & Warehousing | 0 | — | A |
| OnCue #930 OK | Transportation & Warehousing | 0 | — | F |
| OnCue Marketing, LLC OK | Accommodation & Food Services | 0 | — | F |
| ONDA HOUSING GROUP LLC FL | Real Estate | 1 | $140,000 | — |