| Schlauch Bottcher Construction Inc. MT | Construction | 0 | — | F |
| Schleifring Medical Systems IL | Manufacturing | 0 | — | C |
| Schleifring NA MA | Manufacturing | 0 | — | D |
| Schleifring North America MA | Manufacturing | 0 | — | D |
| Schleis Floor Covering, Inc. WI | Construction | 0 | — | F |
| Schlessman Seed Co. OH | Agriculture & Forestry | 0 | — | A |
| Schletter Inc. AZ | — | 0 | — | — |
| Schletter, Inc. NC | — | 0 | — | — |
| Schleuniger, Inc. NH | Manufacturing | 0 | — | F |
| Schlosser & Associates Mechanical Contractors, Inc. DE | Construction | 0 | — | A |
| Schlosser Forge Company CA | Manufacturing | 0 | — | A |
| SCHLOSSER STEEL, INC. PA | Manufacturing | 0 | — | F |
| Schlot ME | Manufacturing | 0 | — | F |
| Schlotterbeck & Foss VT | Manufacturing | 0 | — | F |
| Schlotzsky's NE | — | 0 | — | — |
| Schlouch Incorporated PA | Construction | 0 | — | D |
| Schlumbeger KY | Manufacturing | 0 | — | A |
| Schlumberger LA | Manufacturing | 0 | — | A |
| Schlumberger CHPC TX | Manufacturing | 0 | — | F |
| Schlumberger Houston Completion Product Center TX | Manufacturing | 0 | — | A |
| Schlumberger LLC TX | Manufacturing | 0 | — | A |
| Schlumberger Technology Corp OK | Educational Services | 0 | — | D |
| Schlumberger Technology Corp. AK | — | 0 | — | — |
| Schlumberger Technology Corporation CA | — | 0 | — | — |
| Schlumberger Technology Corporation TX | Mining & Extraction | 53 | $129,527 | A |
| Schlumberger Technology Corportation TX | Manufacturing | 0 | — | A |
| Schluter Systems NY | Manufacturing | 0 | — | F |
| Schluter Systems, LP NV | Retail Trade | 0 | — | D |
| Schluter Systems, LP TX | Retail Trade | 0 | — | D |
| SCHMALZ CUSTOM LANDSCAPING INC WI | Administrative & Waste Services | 0 | — | A |
| Schmalz's European Provisions NJ | Manufacturing | 0 | — | A |
| Schmeling Construction Co. IL | Construction | 0 | — | F |
| Schmelz Countryside Volkswagen MN | Retail Trade | 0 | — | A |
| Schmelzer Industries, Inc OH | Manufacturing | 0 | — | F |
| Schmelzer Paint Co, Inc WI | Construction | 0 | — | A |
| Schmick Groceries LLC OR | Retail Trade | 0 | — | A |
| Schmid Pipeline Construction Inc IA | Construction | 0 | — | F |
| SCHMIDBAUER BUILDING SUPPLY CA | Retail Trade | 0 | — | F |
| SCHMIDBAUER LUMBER CO INC CA | Manufacturing | 0 | — | F |
| Schmidt Construction ID | Construction | 0 | — | F |
| Schmidt Design Group, Inc CA | Professional & Technical Services | 1 | $82,992 | — |
| Schmidt Electric Company, Inc. TX | Construction | 0 | — | B |
| Schmidt Fire Protection Co Inc CA | Construction | 0 | — | F |
| Schmidt Futures Projects, LLC NY | Professional & Technical Services | 1 | $120,000 | — |
| Schmidt Restaurant Group LLC d/b/a Salt + Smoke (St. Louis - 75, University City - 84 & St. Charles - 59) MO | — | 0 | — | — |
| Schmidt Sciences, LLC NY | Professional & Technical Services | 1 | $187,286 | — |
| Schmidt Siding and Window, Inc MN | Construction | 0 | — | F |
| Schmidt Steel, Inc. IL | Construction | 0 | — | F |
| Schmidt Transportation, Inc. NE | Transportation & Warehousing | 0 | — | A |
| Schmidt Wallace AL | Healthcare & Social Assistance | 0 | — | F |
