| Sequoia Living CA | Healthcare & Social Assistance | 0 | - | D |
| Sequoyah Electric WA | Construction | 0 | - | F |
| SER Jobs for Progress-Administrative Office TX | - | 0 | - | - |
| SER Jobs for Progress-Adminstrative Office TX | - | 0 | - | - |
| SER Jobs for Progress-E. Houston TX | - | 0 | - | - |
| SER Jobs for Progress-Haven for Hope Way TX | - | 0 | - | - |
| SER Jobs for Progress-Hillcrest Dr TX | - | 0 | - | - |
| SER Jobs for Progress-Marbach Rd. TX | - | 0 | - | - |
| SER Jobs for Progress-S. Flores St. TX | - | 0 | - | - |
| SER Jobs for Progress-SW 40th Street TX | - | 0 | - | - |
| SER Jobs for Progress-Walzem Rd. TX | - | 0 | - | - |
| Ser Technology Corporation TX | Information & Media | 1 | $121,375 | - |
| Sera Security Services LLC NY | - | 0 | - | - |
| SERC Reliability Corp NC | Other Services | 1 | $122,693 | - |
| Sercel, Inc. TX | Manufacturing | 1 | $93,267 | B |
| Serco OH | - | 0 | - | - |
| Serco Inc. CA | Manufacturing | 0 | - | F |
| Serco Inc. FL | Manufacturing | 0 | - | F |
| Serco Inc. TX | Transportation & Warehousing | 0 | - | F |
| Serco Inc. VA | Professional & Technical Services | 3 | $146,295 | F |
| Serco Inc. MD | - | 0 | - | - |
| SERCO Inc.* VA | - | 0 | - | - |
| Serco, Inc. MO | - | 0 | - | - |
| Serco, Inc. KY | - | 0 | - | - |
| Serco-NA CO | - | 0 | - | - |
| Serco-NA TX | - | 0 | - | - |
| SERCO-Upper Rio Broderplex TX | - | 0 | - | - |
| Sercomm Technology Inc. GA | Wholesale Trade | 1 | $107,453 | - |
| Serena Wholesale, Inc. GA | Wholesale Trade | 2 | $87,048 | - |
| Serendipity NE | - | 0 | - | - |
| Serendipity Center, Inc OR | Educational Services | 0 | - | F |
| Serene Powers Real Estate LLC NY | Real Estate | 1 | $69,514 | - |
| Serenergy Corp CA | Construction | 1 | $120,000 | - |
| Serenity Forge LLC CO | Information & Media | 1 | $47,029 | - |
| Serenity Home Care LLC OR | Healthcare & Social Assistance | 1 | $101,026 | - |
| Serenity Hospice Care GA | Healthcare & Social Assistance | 0 | - | F |
| Serenity Infotech INC. GA | Professional & Technical Services | 3 | $123,893 | - |
| Serenity Lane OR | Healthcare & Social Assistance | 0 | - | F |
| Serenity Psychiatric Services, LLC SC | Healthcare & Social Assistance | 1 | $405,600 | - |
| Serenity Wellness Growers NV | - | 0 | - | - |
| Serent Capital Management Company, LLC CA | Finance & Insurance | 1 | $205,000 | - |
| Seres Therapeutics, Inc MA | Professional & Technical Services | 0 | - | A |
| Seretta Construction, Inc. FL | Construction | 0 | - | F |
| Sergeant's Pet Care Products Inc. TN | - | 0 | - | - |
| Serigor Inc. MD | Professional & Technical Services | 2 | $100,500 | - |
| Serigraph Inc WI | Manufacturing | 0 | - | B |
| Sermavica LLC GA | Administrative & Waste Services | 0 | - | F |
| Sermax Staffing LLC OH | Administrative & Waste Services | 2 | $68,400 | - |
| Serpentine Energy LLC KS | Manufacturing | 1 | $71,000 | - |
| Serra Corporation-Hayward CA | - | 0 | - | - |
