| SI Group, Inc. WV | Manufacturing | 0 | — | A |
| SI Manufacturing Inc CA | Manufacturing | 0 | — | F |
| SI Pumping Solutions Inc PA | Construction | 0 | — | F |
| SI Systems PA | Manufacturing | 0 | — | A |
| Si-Vanguard, LLC TX | Professional & Technical Services | 1 | $215,000 | — |
| SIA ENGINERING (USA) INC CA | Transportation & Warehousing | 2 | $137,000 | — |
| SIA Global Solutions LLC TX | Professional & Technical Services | 12 | $95,862 | — |
| Sia Partners US, Inc. NY | Professional & Technical Services | 1 | $84,000 | — |
| SIAL TECHNOLOGY PARTNERS LLC NJ | Professional & Technical Services | 3 | $108,000 | — |
| Siaraa Technologies, Inc. NJ | Professional & Technical Services | 10 | $117,618 | — |
| Sibanye Stillwater MT | Professional & Technical Services | 0 | — | A |
| Sibayne-Stillwater MT | — | 0 | — | — |
| Sibel Health Inc. IL | Manufacturing | 3 | $130,000 | — |
| Sibelco North America Inc. NC | Manufacturing | 3 | $195,085 | — |
| Sibex Inc FL | Manufacturing | 0 | — | C |
| Sibley and Sons Construction Inc. ME | Transportation & Warehousing | 0 | — | B |
| Sibley Inc OH | Construction | 0 | — | F |
| Sibros Technologies Inc CA | Professional & Technical Services | 1 | $199,534 | — |
| SIC Recycling, Inc. IL | Wholesale Trade | 0 | — | D |
| SIC-LAZARO WI | Manufacturing | 0 | — | F |
| Sicangu Oyate Ho, Inc. SD | Educational Services | 13 | $49,218 | — |
| SICC Logistx, LLC NC | Transportation & Warehousing | 0 | — | D |
| SICE INC FL | Construction | 0 | — | F |
| SICE INC TX | Construction | 0 | — | F |
| Sichenzia Ross Ference Carmel LLP NY | Professional & Technical Services | 2 | $157,500 | — |
| Sichuan Fish Restaurant Inc FL | Accommodation & Food Services | 1 | $110,947 | — |
| SICK Product & Competence Center Americas, LLC MN | Manufacturing | 2 | $115,694 | — |
| SICK, Inc. MA | Manufacturing | 0 | — | A |
| SICK, Inc. MN | Manufacturing | 0 | — | D |
| SICK, Inc. TX | Manufacturing | 0 | — | A |
| Sickles Market LLC NJ | — | 0 | — | — |
| SICL AMERICA INC NJ | Professional & Technical Services | 14 | $98,429 | — |
| SICO America Inc MN | Manufacturing | 0 | — | F |
| Sico North America WI | Manufacturing | 0 | — | F |
| Sicora, Inc. MN | Construction | 0 | — | F |
| SICPA Securink Corporation IL | Manufacturing | 0 | — | A |
| SICPA Securink Corporation VA | Manufacturing | 0 | — | D |
| Sicut North America Inc KS | Manufacturing | 0 | — | A |
| SID Global Solutions PA | Professional & Technical Services | 3 | $108,570 | — |
| Sid Grinker Restoration, Inc. WI | Construction | 0 | — | F |
| SID HARVEY INDUSTRIES 085 PA | Wholesale Trade | 0 | — | F |
| SID HARVEY INDUSTRIES INC NY | Wholesale Trade | 0 | — | B |
| SID HARVEY INDUSTRIES INC SC | Wholesale Trade | 0 | — | B |
| Sid Tool Company OH | — | 0 | — | — |
| Sid Tool Company, Inc. NY | Wholesale Trade | 2 | $111,062 | — |
| Sid's Sealants, LLC WI | Construction | 0 | — | A |
| Sidco Filter Company NY | Manufacturing | 0 | — | F |
| SIDD Soto Foods LLC CA | Retail Trade | 0 | — | A |
| Siddons Martin Emergency Group TX | Manufacturing | 0 | — | B |
| Siddons-Martin Emergency Group LLC TN | Other Services | 0 | — | A |
