| Oyster Bay Senior Residence, Inc NY | Healthcare & Social Assistance | 0 | — | F |
| Oyster River Cooperative School District (SAU 5) NH | Educational Services | 1 | $53,636 | — |
| OZ Digital LLC FL | Professional & Technical Services | 1 | $108,306 | — |
| Oz Moving & Storage, Inc. NY | Transportation & Warehousing | 0 | — | F |
| OzaIntel, LLC NJ | Professional & Technical Services | 1 | $89,856 | — |
| Ozark Aeroworks, LLC MO | Manufacturing | 0 | — | D |
| Ozark Border Electric Cooperative MO | Utilities | 0 | — | F |
| Ozark Center MO | Healthcare & Social Assistance | 0 | — | F |
| Ozark Construction Company AR | Construction | 0 | — | A |
| Ozark Die Casting MO | Manufacturing | 0 | — | F |
| Ozark Die Casting 2 MO | Manufacturing | 0 | — | F |
| Ozark Die Casting Enterprises, Inc dba American Precision Die Casting MO | Manufacturing | 0 | — | F |
| Ozark Electric Cooperative MO | Utilities | 0 | — | F |
| Ozark Empire Fair MO | Arts & Entertainment | 0 | — | A |
| Ozark Fire Sprinkler Co Inc MO | Construction | 0 | — | F |
| Ozark Hardwood Pellets MO | Manufacturing | 0 | — | A |
| Ozark Health AR | Healthcare & Social Assistance | 0 | — | F |
| Ozark Health and Rehabilitation, LLC AL | Healthcare & Social Assistance | 0 | — | F |
| Ozark Logistics, LLC TX | Transportation & Warehousing | 0 | — | B |
| Ozark Manor Company, LLP AL | Real Estate | 0 | — | A |
| Ozark Materials LLC AL | Manufacturing | 0 | — | A |
| Ozark Materials, LLC TX | Manufacturing | 0 | — | F |
| Ozark Motor Lines, Inc TN | Transportation & Warehousing | 0 | — | B |
| Ozark Mountain Poultry, Inc. AR | Manufacturing | 0 | — | A |
| Ozark Mountain Technologies, LLC MO | — | 0 | — | — |
| Ozark Mtn. Construction, Inc. AR | Construction | 0 | — | A |
| Ozark Natural Foods Coop AR | Retail Trade | 0 | — | A |
| Ozark Ready Mix Company, Inc. MO | Manufacturing | 0 | — | F |
| Ozark Safety Services, LLC AL | Construction | 0 | — | F |
| Ozark Sheltered Industries, Inc. MO | Healthcare & Social Assistance | 0 | — | A |
| Ozark Stave MO | Manufacturing | 0 | — | C |
| Ozark Steel Fabricators Inc. MO | Manufacturing | 0 | — | F |
| Ozark Steel LLC OK | Manufacturing | 0 | — | F |
| Ozark Striping Co. LLC AL | Construction | 0 | — | F |
| OZARK TRUCKING, INC CA | Transportation & Warehousing | 0 | — | D |
| Ozarka TX | Manufacturing | 0 | — | A |
| Ozarkga RNR, LLC AR | Retail Trade | 0 | — | F |
| Ozarks Area Community Action Corporation MO | Construction | 0 | — | F |
| Ozarks Coca-Cola/Dr Pepper Bottling Company AR | Manufacturing | 0 | — | F |
| Ozarks Coca-Cola/Dr Pepper Bottling Company MO | Manufacturing | 0 | — | F |
| Ozarks Coca-Cola/Dr Pepper Bottlling Company MO | Manufacturing | 0 | — | F |
| Ozarks Community Hospital MO | — | 0 | — | — |
| Ozarks Electric Cooperative AR | Utilities | 0 | — | F |
| Ozarks Electric Cooperative OK | Utilities | 0 | — | A |
| Ozarks Food Harvest MO | Healthcare & Social Assistance | 0 | — | F |
| Ozarks Go, LLC AR | Information & Media | 0 | — | A |
| Ozarks Last Mile MO | Transportation & Warehousing | 0 | — | F |
| Ozarks Medical Center MO | Healthcare & Social Assistance | 2 | $362,280 | — |
| Ozarks Regional YMCA MO | Accommodation & Food Services | 0 | — | F |
| Ozaukee Surgery Center WI | Healthcare & Social Assistance | 0 | — | A |
