| Old Europe Cheese, Inc. MI | Manufacturing | 0 | — | F |
| Old Fashioned Kitchen NJ | Manufacturing | 0 | — | D |
| Old Fisherman's Grotto CA | — | 0 | — | — |
| Old Forge Properties, Inc. NY | Arts & Entertainment | 0 | — | B |
| Old Forge Supply Corp NY | Construction | 0 | — | F |
| Old Glory Inc. Main Office PA | Transportation & Warehousing | 0 | — | B |
| Old Growth Tree Service LLC CO | Administrative & Waste Services | 0 | — | F |
| Old Hickory Buildings, LLC TN | Manufacturing | 0 | — | A |
| Old Hickory Management TN | Manufacturing | 0 | — | A |
| Old Hickory Sheds, LLC TN | Manufacturing | 0 | — | A |
| Old Hickory smokehouse LLC TN | Manufacturing | 0 | — | F |
| Old Home Bakery NE | — | 0 | — | — |
| Old Homestead NY | — | 0 | — | — |
| Old Line Healthcare Inc MD | Retail Trade | 0 | — | A |
| Old Log Theatre MN | — | 0 | — | — |
| Old London Foods, Inc. NY | — | 0 | — | — |
| Old MacDonald's Farm, LLC. SD | Arts & Entertainment | 0 | — | A |
| OLD MATES 170 JOHN LLC NY | Accommodation & Food Services | 4 | $96,250 | — |
| Old Memorial Club, Inc FL | Arts & Entertainment | 0 | — | B |
| Old Mill Brick UT | Retail Trade | 0 | — | A |
| Old Mill Veterinary Hospital VA | Professional & Technical Services | 0 | — | F |
| Old Mission Capital, LLC IL | Finance & Insurance | 3 | $121,458,333 | — |
| Old National Bancorp IN | — | 0 | — | — |
| Old National Bancorp MI | — | 0 | — | — |
| Old National Bank IN | Finance & Insurance | 5 | $145,649 | — |
| Old North State Masonry LLC NC | Construction | 0 | — | A |
| Old Quarry Management Corp NJ | Construction | 0 | — | A |
| Old Souls Farm OH | Manufacturing | 0 | — | F |
| old spagetti Factory AZ | — | 0 | — | — |
| Old Spaghetti Factory (Dariotis Group Restaurants) CA | — | 0 | — | — |
| Old Speck LLC ME | Retail Trade | 0 | — | A |
| Old Stone Row VA | Real Estate | 0 | — | A |
| Old Sturbridge Village MA | Arts & Entertainment | 0 | — | A |
| Old Sturbridge, Inc. MA | Arts & Entertainment | 0 | — | D |
| Old Time Pottery OK | — | 0 | — | — |
| Old TIme Pottery, Inc. OH | — | 0 | — | — |
| Old Town Animal Hospital NH | Professional & Technical Services | 0 | — | A |
| Old Town Design Group IN | Construction | 1 | $112,200 | — |
| Old Town Family Hospitality Corporation CA | — | 0 | — | — |
| Old Town Fuel Company CA | Retail Trade | 0 | — | A |
| OLD TOWN HARVESTING , INC CA | Agriculture & Forestry | 0 | — | A |
| Old Town Market, LLC dba Plum Market IL | — | 0 | — | — |
| Old Town Pour House MD | — | 0 | — | — |
| Old Town Trolley Tours TN | — | 0 | — | — |
| Old Town Trolley Tours and San Diego Seals CA | — | 0 | — | — |
| Old Town Trolley Tours of San Diego CA | — | 0 | — | — |
| Old Trapper Smoked Products, Inc OR | Manufacturing | 0 | — | D |
| Old Vine Management Group CO | Healthcare & Social Assistance | 0 | — | F |
| Old Waverly Golf Club MS | Arts & Entertainment | 0 | — | A |
| Old West Energy Service UT | Other Services | 0 | — | A |
