| STIHL Inc. WI | Transportation & Warehousing | 0 | — | A |
| STIHL Incorporated VA | Manufacturing | 1 | $90,900 | F |
| STIHL SOUTHEAST INC. FL | Wholesale Trade | 0 | — | D |
| Stihl Southwest, Inc. AR | Wholesale Trade | 0 | — | A |
| STIIIZY CA | Construction | 0 | — | F |
| STILES CORPORATION FL | Construction | 1 | $90,000 | — |
| Stiles Custom Metal CA | Manufacturing | 0 | — | A |
| Stiles Roofing Inc MO | Construction | 0 | — | F |
| Still, LLC NV | — | 0 | — | — |
| Stille Havn Hus, Inc. MN | Healthcare & Social Assistance | 0 | — | A |
| Stillhouse Mining LLC Mine No. 2 aka Perkins Branch Mine Mine No. 1 KY | — | 0 | — | — |
| Stillwater Brands Michigan MI | Manufacturing | 0 | — | A |
| Stillwater Building Center OK | Retail Trade | 0 | — | F |
| Stillwater capital TX | Construction | 0 | — | A |
| Stillwater Designs & Audio, Inc. OK | Manufacturing | 0 | — | F |
| Stillwater Medical Center OK | Healthcare & Social Assistance | 0 | — | A |
| Stillwater Milling Company OK | Retail Trade | 0 | — | B |
| Stillwater Mining Company MT | Manufacturing | 0 | — | A |
| STILLWATER MOTOR COMPANY MN | Retail Trade | 0 | — | B |
| Stillwater Retirement, L.L.C. OK | Healthcare & Social Assistance | 0 | — | A |
| Stillwater Technologies, LLC. OH | Manufacturing | 0 | — | A |
| STILLWATERS FOUNDATION WA | Healthcare & Social Assistance | 0 | — | F |
| STILLWELL FORD LINCOLN MI | Retail Trade | 0 | — | A |
| Stillwell, Inc. MN | Manufacturing | 0 | — | F |
| Stilsing Electric, Inc. NY | Construction | 0 | — | F |
| Stiltner Electric Inc IA | Construction | 0 | — | F |
| Stilwell Inc. CA | Accommodation & Food Services | 0 | — | A |
| StimLabs GA | Healthcare & Social Assistance | 0 | — | F |
| Stimmel Construction LLC OH | Construction | 0 | — | A |
| Stimpson Company, Inc. FL | Manufacturing | 0 | — | D |
| StimScience Inc. CA | Manufacturing | 1 | $175,000 | — |
| Stimson Lumber OR | Manufacturing | 0 | — | F |
| Stimson Lumber WA | — | 0 | — | — |
| Stimson Lumber Company ID | Manufacturing | 0 | — | F |
| Stimson Lumber Company - Forest Grove OR | Manufacturing | 0 | — | F |
| Stinar 2019 MN | — | 0 | — | — |
| Stine LLC LA | Retail Trade | 0 | — | C |
| Stine LLC MS | Retail Trade | 0 | — | F |
| Stines Machine, Inc. CA | Manufacturing | 0 | — | A |
| Sting USA LP DE | Wholesale Trade | 1 | $70,000 | — |
| Stingaree CA | — | 0 | — | — |
| Stinger Bridge & Iron/Steel Girder AZ | Manufacturing | 0 | — | B |
| Stinger Logistics Inc. CA | Transportation & Warehousing | 0 | — | F |
| StingRay Parts Washers MO | Manufacturing | 0 | — | F |
| Stingray Pressure Pumping OH | Mining & Extraction | 0 | — | D |
| Stingray Pressure Pumping, LLC PA | — | 0 | — | — |
| Stink Inc. LA dba The Stinking Rose CA | — | 0 | — | — |
| Stink, Inc. dba The Stinking Rose CA | — | 0 | — | — |
| Stink, Inc. LA dba The Stinking Rose CA | — | 0 | — | — |
| Stinky Pinky Inc TN | Administrative & Waste Services | 0 | — | A |
