| Ober Mountain TN | Arts & Entertainment | 0 | — | F |
| Oberdorfer, LLC NY | — | 0 | — | — |
| Oberg Freight Company IA | Transportation & Warehousing | 0 | — | A |
| Oberg Industries LLC IL | Manufacturing | 0 | — | F |
| Oberg Industries LLC PA | Manufacturing | 0 | — | D |
| Oberg Medical Finishing Solutions CT | Manufacturing | 0 | — | F |
| Oberg Roofing MN | — | 0 | — | — |
| Oberlander Electric Co. IL | Construction | 0 | — | A |
| Oberlin College OH | Educational Services | 5 | $82,902 | — |
| OBERMEYER AGRI GROUP, INC. IN | Wholesale Trade | 0 | — | A |
| Obermiller Construction Services, LLC MO | Construction | 0 | — | A |
| Oberon Company MA | Manufacturing | 0 | — | D |
| Oberon Fuels CA | Manufacturing | 0 | — | A |
| Oberon Initiatives Inc. MA | Professional & Technical Services | 3 | $108,000 | — |
| Oberon IT Inc TX | Professional & Technical Services | 7 | $93,863 | — |
| Obersinner Farms, Inc. OR | Agriculture & Forestry | 0 | — | A |
| Oberstar, Inc. MI | Construction | 0 | — | C |
| Oberto Brands TN | — | 0 | — | — |
| Oberto Snacks Inc WA | Manufacturing | 0 | — | A |
| OBHG Illinois, S.C. SC | Administrative & Waste Services | 1 | $170,747 | — |
| OBHG Wisconsin, S.C. SC | Administrative & Waste Services | 1 | $239,200 | — |
| Obidos Logistics Alliance, LLC. TX | Transportation & Warehousing | 0 | — | C |
| OBIM Fresh-Cut Fruit Co., LLC TX | — | 0 | — | — |
| Object Computing, Inc. MO | Professional & Technical Services | 4 | $127,063 | — |
| OBJECT DATA, INC NJ | Professional & Technical Services | 2 | $124,500 | — |
| OBJECT EXPERTS LLC CO | Professional & Technical Services | 7 | $106,487 | — |
| Object First US, Inc. MA | Manufacturing | 1 | $112,674 | — |
| Object Technology Solutions, Inc. KS | Professional & Technical Services | 4 | $112,000 | — |
| Objective, LLC UT | Professional & Technical Services | 1 | $82,000 | — |
| OBJECTS ON NET, INC GA | Professional & Technical Services | 16 | $105,497 | — |
| Objectstream, Inc. OK | Professional & Technical Services | 3 | $91,365 | — |
| Objectways Technologies LLC AZ | Professional & Technical Services | 2 | $115,536 | — |
| ObjectWin Technology, Inc. TX | Professional & Technical Services | 1 | $128,000 | — |
| Objecutive, Inc. NJ | Professional & Technical Services | 1 | $139,020 | — |
| OBlockz LLC MA | Transportation & Warehousing | 1 | $68,000 | — |
| Oblon, McClelland, Maier & Neustadt, LLP VA | Professional & Technical Services | 1 | $125,632 | — |
| Oblong Township Fire Protection District IL | Public Administration | 0 | — | A |
| OBO Italian Table and Bar CA | Accommodation & Food Services | 0 | — | F |
| OBOYLE ENTERPRISES, INC MD | Manufacturing | 0 | — | A |
| OBR Cooling Towers, Inc. OH | Construction | 0 | — | B |
| OBR Management OH | Construction | 0 | — | A |
| Obra Design Studio, Inc. CA | Professional & Technical Services | 1 | $70,000 | — |
| OBRC OR | Wholesale Trade | 0 | — | F |
| Obrien's Moving and Storage PA | Transportation & Warehousing | 0 | — | D |
| Obrist and Company Inc NE | Construction | 0 | — | A |
| Observe, Inc. CA | Information & Media | 2 | $148,949 | — |
| Obsess, Inc. NY | Information & Media | 2 | $175,100 | — |
| Obsessed Garage FL | Retail Trade | 0 | — | A |
| OBSIDIAN ENTERTAINMENT INC. CA | Information & Media | 3 | $132,487 | — |
| Obsidian Security, Inc. CA | Professional & Technical Services | 3 | $152,481 | — |