| Ogeechee Area Hospice GA | Healthcare & Social Assistance | 0 | — | F |
| Ogeechee Steel, Inc. GA | Manufacturing | 0 | — | C |
| OGEECHEE TECHNCIAL COLLEGE GA | Educational Services | 1 | $75,000 | — |
| Ogemaw County Road Commission MI | Construction | 0 | — | F |
| OGH Service Company TX | Construction | 0 | — | A |
| OGI Process Equipment Inc. OK | Manufacturing | 0 | — | F |
| OGI Shared Service Center - Advertising LLC NJ | Professional & Technical Services | 1 | $184,000 | — |
| Ogilvy CommonHealth Worldwide LLC d/b/a Ogilvy Health NJ | Professional & Technical Services | 1 | $140,000 | — |
| Ogio UT | — | 0 | — | — |
| OGLES ROOFING & CONSTRUCTION LLC FL | Construction | 0 | — | F |
| Oglesby Construction, Inc. OH | Construction | 0 | — | F |
| Oglethorpe Power Corporation GA | Utilities | 0 | — | C |
| OGLETREE'S INC. CA | Manufacturing | 0 | — | F |
| OGLETREE, DEAKINS, NASH, SMOAK & STEWART, P.C. SC | Professional & Technical Services | 6 | $107,119 | — |
| OGS RECYCLING LLC MA | Wholesale Trade | 0 | — | A |
| OGS RECYCLING LLC NJ | Wholesale Trade | 0 | — | D |
| OGS RECYCLING LLC NY | Wholesale Trade | 0 | — | F |
| OGS RECYCLING LLC PA | Wholesale Trade | 0 | — | F |
| OGS Technologies, Inc. CT | Manufacturing | 0 | — | A |
| Ogura Corporation MI | Manufacturing | 0 | — | F |
| Oh My Green CA | — | 0 | — | — |
| Oh My Green's Warehouse CA | — | 0 | — | — |
| Oh Snap! Pickling Co. LLC WI | Manufacturing | 0 | — | F |
| Oh So Original Inc CA | Accommodation & Food Services | 0 | — | F |
| OH-Wichita Falls LLC TX | Accommodation & Food Services | 0 | — | A |
| Ohalo Genetics, Inc. CA | Professional & Technical Services | 1 | $170,000 | — |
| Ohana Developmental Homes AZ | Healthcare & Social Assistance | 0 | — | A |
| Ohana Family Homes AZ | Healthcare & Social Assistance | 0 | — | F |
| Ohana Ventures OR | Healthcare & Social Assistance | 0 | — | D |
| OHara Machinery, Inc. NY | Wholesale Trade | 0 | — | A |
| Ohashi Technica USA Inc OH | Wholesale Trade | 0 | — | C |
| Ohashi Technica USA Manufacturing Inc OH | Manufacturing | 0 | — | F |
| OHC AL | Manufacturing | 0 | — | F |
| Oheck, LLC CA | — | 0 | — | — |
| Ohel Children's Home and Family Services, Inc. NY | Healthcare & Social Assistance | 1 | $113,000 | — |
| OHI ME | Healthcare & Social Assistance | 0 | — | F |
| OHI Asset Management LLC MD | Finance & Insurance | 1 | $83,500 | — |
| OHI Inc AZ | Manufacturing | 0 | — | F |
| OHI West Medical Group, LLC FL | Healthcare & Social Assistance | 1 | $487,500 | — |
| Ohio Aluminum Industries Inc. OH | Manufacturing | 0 | — | F |
| Ohio Ambulance Solutions, LLC OH | Healthcare & Social Assistance | 0 | — | F |
| Ohio Awning & Manufacturing Co. OH | Manufacturing | 0 | — | F |
| Ohio Bath Solutions OH | Construction | 0 | — | F |
| Ohio Bath Solutions, LLC MI | Construction | 0 | — | F |
| Ohio Bath Solutions, LLC PA | Construction | 0 | — | A |
| Ohio Bath Solutions, LLC WV | Construction | 0 | — | A |
| Ohio Bridge Corporation OH | Manufacturing | 0 | — | A |
| Ohio Bridge Manufacturing OH | Manufacturing | 0 | — | F |
| Ohio Cannabis Clinic LLC OH | Retail Trade | 0 | — | A |
| Ohio Cinema Investments LLC (Cinepolis) OH | — | 0 | — | — |