| Stoughton Public Schools MA | Educational Services | 1 | $81,652 | - |
| Stoughton Trailers LLC TX | Manufacturing | 0 | - | F |
| Stoughton Trailers LLC WI | Manufacturing | 0 | - | F |
| Stout Management Company NV | Real Estate | 0 | - | F |
| Stout Risius Ross, LLC IL | Professional & Technical Services | 6 | $140,083 | - |
| Stout Street Capital Management LLC CO | Finance & Insurance | 1 | $57,616 | - |
| Stovell AI Systems LLC CA | Professional & Technical Services | 1 | $318,750 | - |
| Stow Lake Boat House CA | - | 0 | - | - |
| Stowers Institute for Medical Research MO | Professional & Technical Services | 13 | $56,775 | - |
| Stowers Machinery Corporation TN | Other Services | 0 | - | B |
| Stoystown Auto Wreckers, LP PA | Retail Trade | 0 | - | A |
| STP Products Manufacturing Company OH | - | 0 | - | - |
| STP Retail, LLC WY | Transportation & Warehousing | 0 | - | B |
| STR GA | Manufacturing | 0 | - | C |
| STR - Synthetic Turf Resources GA | Manufacturing | 0 | - | C |
| Str Constructors, Llc TX | Construction | 1 | $115,000 | - |
| Strac Incorporated WA | Information & Media | 1 | $140,000 | - |
| Strack & Van Til IN | - | 0 | - | - |
| Strada Services FL | Construction | 0 | - | F |
| Stradaji LLC OH | Professional & Technical Services | 1 | $75,000 | - |
| Stradis Medical, LLC IL | - | 0 | - | - |
| Straight Creek Coal Mining, Inc KY | - | 0 | - | - |
| Straight Smile UT | - | 0 | - | - |
| Straight Smile LLC dba Byte CA | - | 0 | - | - |
| Straightaway Delivery LLC OK | Transportation & Warehousing | 0 | - | F |
| Straightline AI Inc. FL | Professional & Technical Services | 2 | $165,000 | - |
| Straightline Dance Fitness MN | - | 0 | - | - |
| Straightline Logistics and Transport OH | Transportation & Warehousing | 0 | - | F |
| Strait Steel, Inc. PA | Manufacturing | 0 | - | D |
| Straith Hospital MI | Healthcare & Social Assistance | 0 | - | D |
| Straits Management Company LLC CA | Professional & Technical Services | 1 | $80,000 | - |
| Stralto, Inc. NY | Professional & Technical Services | 2 | $124,328 | - |
| Strand Ace Hardware CA | Retail Trade | 0 | - | B |
| Strand Books, Inc. (Strand Book Store, NYC & Strand Warehouse, Brooklyn) NY | - | 0 | - | - |
| Strand Life Sciences Pvt Ltd TX | Professional & Technical Services | 2 | $146,648 | - |
| Strand Systems Engineering, Inc. TX | Professional & Technical Services | 2 | $75,660 | - |
| Strand Therapeutics Inc. MA | Manufacturing | 1 | $70,470 | - |
| Strang Corporation OH | - | 0 | - | - |
| StraPack Inc. IL | Manufacturing | 0 | - | F |
| Strasburg Rail Road Company PA | Transportation & Warehousing | 0 | - | F |
| Strasser Woodenworks WA | Manufacturing | 0 | - | F |
| Strata Corporation ND | Construction | 0 | - | D |
| Strata Innovative Solutions WI | Construction | 1 | $232,760 | - |
| Strata Solar, LLC NC | Utilities | 4 | $96,444 | A |
| STRATA, Inc. ID | Professional & Technical Services | 1 | $94,661 | - |
| Stratacent, Inc. NJ | Professional & Technical Services | 1 | $269,100 | - |
| Stratagem Consulting LLC MN | Professional & Technical Services | 4 | $91,739 | - |
| Stratas Advisors LLC OH | Information & Media | 2 | $125,000 | - |
| Stratasys CA | Manufacturing | 0 | - | A |
| Stratasys MA | Manufacturing | 0 | - | A |