| South Broward Hospital District FL | Healthcare & Social Assistance | 4 | $268,030 | — |
| South Campus Nursing and rehab FL | Healthcare & Social Assistance | 0 | — | D |
| South Carolina Baptist Ministry for the Aging SC | Healthcare & Social Assistance | 0 | — | F |
| South Carolina Department of Corrections SC | Public Administration | 0 | — | F |
| South Carolina Department of Public Safety SC | Public Administration | 0 | — | F |
| South Carolina Department of Revenue SC | Public Administration | 0 | — | A |
| SOUTH CAROLINA DIALOGUE FOUNDATION IA | Other Services | 1 | $61,773 | — |
| SOUTH CAROLINA DIALOGUE FOUNDATION SC | Other Services | 1 | $49,130 | — |
| South Carolina Episcopal Home at Still Hopes SC | Healthcare & Social Assistance | 0 | — | F |
| South Carolina Rehabilitation Department SC | Healthcare & Social Assistance | 0 | — | A |
| South Carolina State Ports Authority SC | Transportation & Warehousing | 0 | — | D |
| South Carolina State University SC | Educational Services | 2 | $60,884 | — |
| South Carolina Tel-Con Inc. SC | Construction | 0 | — | A |
| South Carolina Vocation Rehabilitation Department SC | Healthcare & Social Assistance | 0 | — | A |
| South Carolina Vocational Rehabilitation SC | Healthcare & Social Assistance | 0 | — | F |
| South Carolina Vocational Rehabilitation Department SC | Healthcare & Social Assistance | 0 | — | B |
| South Carolina Yutaka Technologies SC | — | 0 | — | — |
| South Center Street Nursing Home, LLC DBA Alaris Health at St. Mary's NJ | Healthcare & Social Assistance | 0 | — | F |
| South Central Conference of Seventh-day Adventists TN | Other Services | 1 | $64,872 | — |
| South Central Connecticut Regional Water Authority CT | Utilities | 0 | — | F |
| SOUTH CENTRAL ELECTRIC ASSOCATION MN | Utilities | 0 | — | A |
| SOUTH CENTRAL ELECTRIC ASSOCIATION MN | Utilities | 0 | — | A |
| South Central Electric, LLC TX | Construction | 0 | — | C |
| South Central FS, Inc. IL | Retail Trade | 0 | — | A |
| SOUTH CENTRAL GEORGIA GIN COMPANY GA | Agriculture & Forestry | 0 | — | A |
| SOUTH CENTRAL HEALTH DBA WISHEK HOSPITAL CLINIC ASSOCIATION ND | Healthcare & Social Assistance | 0 | — | F |
| South Central Illinois Mass Transit District IL | Transportation & Warehousing | 0 | — | B |
| South Central Indiana REMC IN | Construction | 0 | — | F |
| South Central Kansas Medical Center KS | Healthcare & Social Assistance | 0 | — | F |
| South Central Missouri Community Health Center MO | Healthcare & Social Assistance | 0 | — | A |
| South Central MO CAA MO | Healthcare & Social Assistance | 0 | — | F |
| South Central Polymers, Inc. MS | Manufacturing | 0 | — | A |
| South Central Power Company OH | Utilities | 0 | — | F |
| SOUTH CENTRAL REGIONAL MEDICAL CENTER MS | Healthcare & Social Assistance | 2 | $887,500 | — |
| South Central Restaurant, LLC dba TIJUANA PICNIC NY | — | 0 | — | — |
| South Central Roofing, Inc. IN | Construction | 0 | — | A |
| South Central Steel Inc AL | Manufacturing | 0 | — | F |
| South Cherokee Veterinary Hospital GA | Professional & Technical Services | 0 | — | A |
| South City Hospital MO | — | 0 | — | — |
| South City Motors, Inc. CA | — | 0 | — | — |
| South Coast Air Quality Management District CA | Public Administration | 0 | — | A |
| South Coast Charter School Association CA | Educational Services | 2 | $60,000 | — |
| South Coast Charter Schools Association CA | Educational Services | 1 | $60,000 | — |
| South Coast Circuits LLC CA | Manufacturing | 0 | — | A |
| South Coast Community Services CA | Healthcare & Social Assistance | 0 | — | F |
| South Coast Electrical CA | Construction | 0 | — | A |
| South Coast Hospice & Palliative Care Services, Inc OR | Healthcare & Social Assistance | 0 | — | F |
| South Coast Improvement Company MA | Construction | 0 | — | D |
| South Coast Mechanical CA | Construction | 0 | — | F |
| SOUTH COAST PAPER AL | Manufacturing | 0 | — | F |
