| Singer Holdings NY | Retail Trade | 0 | - | B |
| Singer Vehicle Design CA | Other Services | 0 | - | F |
| SingerLewak LLP CA | Professional & Technical Services | 13 | $99,845 | - |
| Singh Management CO., LLC. MI | Healthcare & Social Assistance | 0 | - | F |
| Singh Management CO., LLC. NC | Healthcare & Social Assistance | 0 | - | F |
| Singh Management CO., LLC. VA | Healthcare & Social Assistance | 0 | - | F |
| Singing River Health System MO | Healthcare & Social Assistance | 1 | $225,000 | - |
| Singing River Health System MS | Healthcare & Social Assistance | 4 | $419,672 | - |
| Single Source Logistics MD | Transportation & Warehousing | 0 | - | F |
| Single Source Security, LLC dba Protos Security OR | - | 0 | - | - |
| SinglePoint Care Network, LLC NY | - | 0 | - | - |
| SingleStore, Inc. CA | Professional & Technical Services | 8 | $183,935 | - |
| Singleton Electric Company MD | Construction | 0 | - | F |
| Singpoli Capital CORPORATION CA | Finance & Insurance | 1 | $94,058 | - |
| Singular Analysts Inc TX | Professional & Technical Services | 15 | $90,463 | - |
| Singular Genomics Systems, Inc. CA | Professional & Technical Services | 1 | $108,701 | - |
| Singular People, LLC FL | Professional & Technical Services | 2 | $119,000 | - |
| Singular People, LLC (f/k/a MediaNet Software LLC) PA | Professional & Technical Services | 1 | $119,475 | - |
| Singularity Construction Inc CA | Construction | 1 | $87,880 | - |
| Singularity Education Group CA | - | 0 | - | - |
| Singularity Education Group/Singularity University CA | - | 0 | - | - |
| Singularity Future Technology Ltd. NY | Transportation & Warehousing | 1 | $103,709 | - |
| Singularity Systems Inc NJ | Professional & Technical Services | 1 | $155,000 | - |
| Singulex, Inc. CA | - | 0 | - | - |
| Sinica Education Inc. CA | Educational Services | 1 | $75,000 | - |
| Sino Biological US Inc PA | Manufacturing | 2 | $76,323 | - |
| SINO Television, Inc. CA | - | 0 | - | - |
| Sinomax East, Inc. AZ | - | 0 | - | - |
| Sinomax East, Inc. TN | Manufacturing | 1 | $71,094 | - |
| Sinomax USA TN | Manufacturing | 0 | - | F |
| Sinovision Incorporated NY | Information & Media | 1 | $56,202 | - |
| SintecMedia NYC, Inc. NY | Information & Media | 1 | $87,000 | - |
| Sintegra, Inc. CA | Professional & Technical Services | 9 | $191,667 | - |
| Sintel Inc MI | Manufacturing | 0 | - | F |
| Sinto America, Inc. MI | Manufacturing | 1 | $91,052 | - |
| Sinton Dairy Foods Company CO | - | 0 | - | - |
| Sinton Dairy Foods Company/ Borden CO | - | 0 | - | - |
| Sinton Dairy Foods Company/ Borden-Rev to 3/16/15 CO | - | 0 | - | - |
| Sio Capital Management LLC NY | Finance & Insurance | 1 | $150,000 | - |
| SiO2 Medical Products, Inc. AL | Manufacturing | 1 | $123,685 | - |
| Sion Power AZ | Manufacturing | 0 | - | D |
| Sioux Center Health IA | Healthcare & Social Assistance | 0 | - | F |
| Sioux Chief Manufacturing MO | Manufacturing | 0 | - | F |
| Sioux City Engineering Company IA | Construction | 0 | - | F |
| Sioux City Foundry Co NE | Manufacturing | 0 | - | F |
| Sioux City Truck Sales, Inc. IA | Wholesale Trade | 0 | - | D |
| Sioux Falls School District 49-5 SD | Educational Services | 3 | $52,700 | - |
| Sioux Falls Zoo & Aquarium SD | Arts & Entertainment | 0 | - | F |
| Sioux Steel Company SD | Manufacturing | 0 | - | F |
| Siouxland Fabricating, Inc IA | Manufacturing | 0 | - | F |
