| OU Medicine, Inc. OK | Healthcare & Social Assistance | 5 | $235,000 | - |
| Ouachita County Medical Center AR | Healthcare & Social Assistance | 0 | - | D |
| Our Beloved Futures LLC HI | - | 1 | $85,000 | - |
| Our Generation Speaks MA | - | 2 | $102,500 | - |
| Our Home Of Unity LLC AZ | Healthcare & Social Assistance | 0 | - | - |
| Our House, Inc. NJ | Healthcare & Social Assistance | 0 | - | F |
| Our Kids of Miami-Dade/Monroe FL | - | 0 | - | - |
| Our Lady of Angels Retirement Home IL | - | 0 | - | - |
| Our Lady of Fatima PA | - | 0 | - | - |
| Our Lady of Lourdes Memorial Hospital, Inc. d/b/a Guthrie Lourdes Hospital NY | Healthcare & Social Assistance | 3 | - | - |
| Our Lady of Mercy Life Center NY | Healthcare & Social Assistance | 0 | - | F |
| Our Lady of Mercy Regional School NY | - | 0 | - | - |
| Our Lady of Mercy School NY | - | 0 | - | - |
| Our Lady of Peace MN | Healthcare & Social Assistance | 0 | - | F |
| Our Lady of Perpetual Help School NY | - | 0 | - | - |
| Our Lady of the Lake University TX | Educational Services | 1 | $91,000 | - |
| Our Lady of Victory Academy NY | - | 0 | - | - |
| Our Lady of Wisdom Regional School (Port Washington) NY | - | 0 | - | - |
| Our Lady's Haven MA | Healthcare & Social Assistance | 0 | - | F |
| Our Lady's Residence NJ | - | 0 | - | - |
| Our Next Energy MI | - | 0 | - | - |
| Our Next Energy, Inc. MI | - | 2 | $152,500 | - |
| Our Sunday Visitor IN | Information & Media | 0 | - | F |
| OuraRing, Inc. CA | Manufacturing | 11 | $182,000 | - |
| Ouray Silver Mines CO | - | 0 | - | - |
| Ouray Sportsware - L2 Brands CO | - | 0 | - | - |
| Ouray Sportswear CO | Wholesale Trade | 0 | - | F |
| OurCalling, Inc TX | - | 1 | $44,000 | - |
| Ouro Global, Inc. TX | Finance & Insurance | 12 | $138,500 | - |
| Ouster Inc. CA | Professional & Technical Services | 10 | $175,594 | A |
| Out The Mud Ventures Inc. CA | Professional & Technical Services | 1 | $135,000 | - |
| Out West Restaurant Group dba Outback Steakhouse CA | - | 0 | - | - |
| Out West Restaurant Group Inc dba Outback Steakhouse CA | - | 0 | - | - |
| Out West Restaurant Group, Inc. CA | - | 0 | - | - |
| Out West Restaurant Group, Inc. dba Outback Steakhouse-0570 Newport CA | - | 0 | - | - |
| Outamation, Inc TX | - | 1 | $77,418 | - |
| Outback #4410 TX | - | 0 | - | - |
| Outback #4412 TX | - | 0 | - | - |
| Outback #4413 TX | - | 0 | - | - |
| Outback #4414 TX | - | 0 | - | - |
| Outback #4416 TX | - | 0 | - | - |
| Outback #4418 TX | - | 0 | - | - |
| Outback #4420 TX | - | 0 | - | - |
| Outback #4422 TX | - | 0 | - | - |
| Outback #4423 TX | - | 0 | - | - |
| Outback #4424 TX | - | 0 | - | - |
| Outback #4425 TX | - | 0 | - | - |
| Outback #4426 TX | - | 0 | - | - |
| Outback #4428 TX | - | 0 | - | - |
| Outback #4429 TX | - | 0 | - | - |
