| St. Vincent's School for Boys CA | — | 0 | — | — |
| St. Vincent's Services NY | — | 0 | — | — |
| St. Vincent's Services - Close to Home Program NY | — | 0 | — | — |
| St. Vincent's Services-Close to Home Program NY | — | 0 | — | — |
| St.Clair Cleaners OH | Other Services | 0 | — | A |
| ST.CROIX RIVER EDUCATION DISTRICT6 MN | Educational Services | 0 | — | F |
| St.Elmo Fire Dist IL | Public Administration | 0 | — | A |
| St.Johns Regional Medical Center CA | — | 0 | — | — |
| St.Joseph Hospital CA | — | 0 | — | — |
| St.Joseph's Senior Home NJ | Healthcare & Social Assistance | 0 | — | F |
| St.Jude Medical Cardiac Rhythm Mangmnt Div CA | — | 0 | — | — |
| St.Jude Medical Center CA | — | 0 | — | — |
| St.Jude Medical, Inc CA | — | 0 | — | — |
| St.Luke's University Health Network NJ | Healthcare & Social Assistance | 0 | — | F |
| St.Luke's University Health Network PA | Healthcare & Social Assistance | 0 | — | F |
| St.Marys Healthcare System GA | Healthcare & Social Assistance | 0 | — | F |
| St.Paul IL | Healthcare & Social Assistance | 0 | — | F |
| St.Peters Manor Care Center MO | Healthcare & Social Assistance | 0 | — | F |
| St.Petersburg Endoscopy Center LLC FL | Healthcare & Social Assistance | 0 | — | A |
| ST.VINCENT HEMATOLOGY ONCOLOGY IN | Healthcare & Social Assistance | 0 | — | A |
| STA DELIVERY LLC PA | Transportation & Warehousing | 0 | — | B |
| STA Support Institute NJ | Arts & Entertainment | 1 | $42,000 | — |
| STA Technologies Inc NM | Manufacturing | 0 | — | A |
| Sta-bilt Construction IA | Construction | 0 | — | A |
| Sta-Kleen Inc. IL | Administrative & Waste Services | 0 | — | F |
| Staab Construction Corp WI | Construction | 0 | — | D |
| Staalsen Construction Co IL | Construction | 0 | — | A |
| STAAR Surgical Company CA | Manufacturing | 5 | $133,410 | F |
| Staat Inc MO | Construction | 0 | — | A |
| Stabil Drill Specialties, LLC TX | Mining & Extraction | 1 | $80,683 | — |
| Stabilit America IL | Manufacturing | 0 | — | F |
| STABILITY TITLE AGENCY TX | Professional & Technical Services | 0 | — | A |
| Stabilized Earth Solutions, LLC PA | Manufacturing | 0 | — | F |
| Stabiltec Downhole Tools LLC LA | Manufacturing | 0 | — | A |
| Stabilus, Inc. NC | Manufacturing | 1 | $103,043 | F |
| Stable Hollow Woodworking LLC PA | Construction | 0 | — | F |
| Stable Housing Solutions MN | Healthcare & Social Assistance | 0 | — | A |
| Stable Rock Services LLC NY | Professional & Technical Services | 1 | $90,100 | — |
| Stable USA Inc. dba Stable IL | Finance & Insurance | 1 | $140,000 | — |
| Stablewood Properties, LLC TX | Real Estate | 1 | $85,000 | — |
| STACCATO 2011, LLC TX | Manufacturing | 0 | — | C |
| Stachs LLC CA | — | 0 | — | — |
| Staci Americas LLC GA | Professional & Technical Services | 1 | $130,000 | — |
| Staci Americas LLC (fka Amware Fulfillment, LLC) GA | Transportation & Warehousing | 1 | $129,976 | — |
| STACI-US Corp NJ | Transportation & Warehousing | 0 | — | A |
| Stack AV Co PA | Information & Media | 4 | $234,063 | — |
| Stack Brothers Mechanical Contractors, Inc. WI | Construction | 0 | — | A |
| Stack Metallurgical Services, LLC OR | Manufacturing | 0 | — | F |
| Stackbin Corporation RI | Manufacturing | 0 | — | A |
| Stacked Energy, Inc. CA | Manufacturing | 1 | $178,651 | — |