| Ontario Food & Beverage LLC CA | - | 0 | - | - |
| Ontario Grove Healthcare & Wellness Centre, LP CA | Healthcare & Social Assistance | 1 | $135,200 | F |
| Ontario Healthcare Center CA | Healthcare & Social Assistance | 0 | - | A |
| Ontario Hospital OH | Healthcare & Social Assistance | 0 | - | F |
| Ontario Nissan, Inc. dba Metro Nissan of Montclair CA | - | 0 | - | - |
| Ontario Teachers Pension Plan (USA), LLC CA | Finance & Insurance | 1 | $182,978 | - |
| Ontario-Montclair School District CA | Educational Services | 3 | $82,366 | - |
| OnTheMove Logistics LLC IN | Transportation & Warehousing | 0 | - | F |
| Ontivity LLC TX | Construction | 1 | $104,000 | A |
| Onto Innovation, Inc. MA | Manufacturing | 8 | $129,894 | - |
| Onton Inc. CA | Information & Media | 2 | - | - |
| Ontrac AZ | Transportation & Warehousing | 0 | - | A |
| Ontrac CA | Transportation & Warehousing | 0 | - | D |
| Ontrac NV | Transportation & Warehousing | 0 | - | D |
| Ontrac UT | Transportation & Warehousing | 0 | - | D |
| Ontrac WA | Transportation & Warehousing | 0 | - | D |
| OnTrack Scheduling, Inc. NV | Professional & Technical Services | 2 | $148,500 | - |
| Ontrail, Inc. CA | Finance & Insurance | 1 | $167,710 | - |
| Onur Ulgen, Inc. MI | Professional & Technical Services | 1 | $82,638 | - |
| Onward Robotics (f/k/a IAM ROBOTICS, INC.) PA | Professional & Technical Services | 1 | $100,000 | - |
| Onward Technologies, INC IL | Professional & Technical Services | 21 | $97,648 | - |
| ONX, Inc. FL | - | 0 | - | - |
| ONX, Inc. TX | Construction | 1 | $90,000 | - |
| Onyx Pharmaceuticals, Inc CA | - | 0 | - | - |
| Onyx Technology, LLC KS | Professional & Technical Services | 1 | $117,749 | - |
| Onyx Venus Global LLC CA | Transportation & Warehousing | 0 | - | F |
| OnyxMP GrowthCo Inc. TX | Retail Trade | 1 | $160,000 | - |
| Oodle AI, Inc. CA | Professional & Technical Services | 1 | $200,000 | - |
| Ooma, Inc. CA | Professional & Technical Services | 1 | $140,000 | - |
| Oorvi Systems Inc TX | Professional & Technical Services | 1 | $85,000 | - |
| Oostburg Concrete Products WI | Construction | 0 | - | F |
| OOTB Minds, Inc. DC | Professional & Technical Services | 4 | $123,876 | - |
| Oour Lady of Bellefonte Hospital, L.L.C. KY | - | 0 | - | - |
| OP Labs PBC CA | Professional & Technical Services | 2 | $230,000 | - |
| OP Mobility TN | - | 0 | - | - |
| OPA Ortho PLLC WA | Healthcare & Social Assistance | 1 | $250,000 | - |
| Opal Soft, Inc. CA | Professional & Technical Services | 1 | $110,800 | - |
| Opal-Foods Cooperative, INC CO | Agriculture & Forestry | 0 | - | F |
| Opala Health, Inc. WA | Professional & Technical Services | 1 | $135,000 | - |
| Opaque Systems, Inc. CA | Information & Media | 1 | $160,000 | - |
| Oparc CA | - | 0 | - | - |
| OPC Arbre Farms, LLC MI | Manufacturing | 0 | - | F |
| Opel Systems MI | Professional & Technical Services | 2 | $96,252 | - |
| Opelousas General Health System LA | Healthcare & Social Assistance | 0 | - | C |
| Opelsoft LLC NJ | Professional & Technical Services | 1 | $126,090 | - |
| Open 4 Business Productions, LLC CA | - | 0 | - | - |
| Open Access Technology International, Inc. MN | Information & Media | 4 | $143,107 | - |
| Open Arms Child Development Center AK | Healthcare & Social Assistance | 1 | $54,000 | - |
| Open Avenues Foundation MA | Other Services | 2 | $60,497 | - |
| Open Avenues Foundation NY | Other Services | 84 | $83,819 | - |
