| Sistema Universitario Ana G Mendez, Inc. PR | Educational Services | 2 | $187,874 | F |
| Sistema Universitario Ana G. Mendez, Inc. PR | Educational Services | 4 | $147,814 | — |
| Sister Emmanuel Hospital FL | — | 0 | — | — |
| Sister Mary of Presentation ND | Healthcare & Social Assistance | 1 | $65,603 | — |
| Sisters of Charity MA | Healthcare & Social Assistance | 0 | — | A |
| Sisters of Charity Halifax MA | Healthcare & Social Assistance | 0 | — | C |
| Sisters of Charity of Cincinnati, Inc. OH | Healthcare & Social Assistance | 0 | — | F |
| Sisters of Charity of Halifax MA | Healthcare & Social Assistance | 0 | — | A |
| Sisters of Charity of Leavenworth Health System Inc. CO | Healthcare & Social Assistance | 1 | $112,320 | — |
| Sisters of Charity of Saint Elizabeth/Saint Anne Villa NJ | — | 0 | — | — |
| Sisters of Charity of the Blessed Virgin Mary IA | — | 0 | — | — |
| Sisters of Mary of the Presentation ND | Healthcare & Social Assistance | 0 | — | F |
| Sisters of St. Joseph NWPA PA | Other Services | 0 | — | A |
| Sisters of St. Mary of Oregon Maryville Nursing Home Corporation OR | Healthcare & Social Assistance | 0 | — | F |
| Sisters Of The Company Of Mary Our Lady CA | — | 0 | — | — |
| Sisters of the Presentation of Mary MA | — | 0 | — | — |
| Sisters, Servants of the Immaculate Heart of Mary, Monroe, Michigan, Inc. MI | Other Services | 0 | — | A |
| Sistersville Tank Works, Inc, WV | Manufacturing | 0 | — | F |
| Sisu Energy LLC TX | Mining & Extraction | 0 | — | A |
| Sisu Extraction LLC CA | Manufacturing | 0 | — | F |
| Sisu Youth Services OK | Healthcare & Social Assistance | 0 | — | A |
| SITA CORP NJ | Professional & Technical Services | 3 | $137,676 | — |
| SITA INFORMATION NETWORKING COMPUTING USA INC. GA | Information & Media | 8 | $102,635 | — |
| Sitara Trading LLC TX | Retail Trade | 1 | $66,955 | — |
| Sitarz Landscape and Maintenance Inc. IL | Administrative & Waste Services | 0 | — | A |
| Site and Utility, LLC FL | Construction | 0 | — | B |
| Site Design Group, Ltd. IL | Professional & Technical Services | 1 | $72,267 | — |
| Site Development, Inc. MI | Construction | 0 | — | A |
| Site Engineering Inc GA | Construction | 0 | — | F |
| Site IQ LLC IL | Information & Media | 1 | $130,000 | — |
| Site Rite Construction MO | Construction | 0 | — | A |
| Site Safe, LLC VA | Construction | 0 | — | A |
| SITE SOURCE SOUTH, INC. GA | Construction | 0 | — | A |
| Site Tech Cprporation RI | Construction | 0 | — | A |
| Site Tx, Inc. CA | Professional & Technical Services | 1 | $112,258 | — |
| Site Waste Service LLC OH | Administrative & Waste Services | 0 | — | A |
| Site Work Solutions CA | Construction | 0 | — | F |
| Site Work Specialists SD | Construction | 0 | — | F |
| SITE WORKS MUNICIPAL SOLUTIONS LLC IN | Construction | 0 | — | A |
| SITE WORKS SERVICES IN | Construction | 0 | — | A |
| Site-Prep Inc of NC NC | Construction | 0 | — | D |
| SiTech NE | Other Services | 0 | — | A |
| SITECH NCFL FL | Manufacturing | 0 | — | A |
| SITECH South Mississippi MS | Other Services | 0 | — | A |
| Sitech Southwest LLC AZ | Other Services | 0 | — | A |
| SITECON Corporation RI | Construction | 0 | — | D |
| Sitecore USA, Inc CA | Professional & Technical Services | 0 | — | A |
| Sitecrafters of Florida, Inc. FL | Construction | 0 | — | F |
| SiteForce Holdings LLC TX | Administrative & Waste Services | 0 | — | D |
| SITEK PROCESS SOLUTIONS, INC. CA | Manufacturing | 1 | $150,000 | — |
