| Keystone RV Oregon OR | Manufacturing | 0 | — | F |
| Keystone Screw Corp PA | Manufacturing | 0 | — | F |
| Keystone Sheets PA | Manufacturing | 0 | — | A |
| Keystone Sporting Arms PA | Manufacturing | 0 | — | A |
| Keystone Stock Transfer LLC NY | Finance & Insurance | 1 | $150,000 | — |
| Keystone Strategy, LLC MA | Professional & Technical Services | 5 | $162,685 | — |
| Keystone Synergy, LLC TX | Manufacturing | 0 | — | F |
| Keystone Tailored Manufacturing, LLC OH | — | 0 | — | — |
| Keystone Technologies AR | Wholesale Trade | 0 | — | F |
| Keystone Technologies PA | Wholesale Trade | 0 | — | A |
| KEYSTONE TECHNOLOGY PARTNERS INC TX | Professional & Technical Services | 30 | $107,559 | — |
| Keystone Tower Systems, Inc. CO | Manufacturing | 1 | $134,400 | — |
| Keystone Trailer Services PA | Other Services | 0 | — | D |
| Keystone Turbine Services, LLC PA | Manufacturing | 0 | — | D |
| Keystone Villa at Ephrata PA | Healthcare & Social Assistance | 0 | — | F |
| Keystone Villa at Fleetwood PA | Healthcare & Social Assistance | 0 | — | F |
| Keystone Vocational Service PA | Transportation & Warehousing | 0 | — | A |
| Keystone Wood Specialties PA | Manufacturing | 0 | — | F |
| Keystone-Pacific, LLC OR | Retail Trade | 0 | — | F |
| Keystruct Construction, LLC PA | Construction | 0 | — | A |
| Keytronic AR | Manufacturing | 0 | — | F |
| Keytronic MN | Manufacturing | 0 | — | B |
| Keytronic MS | Manufacturing | 0 | — | A |
| Keytronic Corp WA | Manufacturing | 0 | — | A |
| KeyTronicEMS KY | — | 0 | — | — |
| KeyTronicEMS MN | Manufacturing | 0 | — | A |
| KEYU TECH LLC CA | Professional & Technical Services | 1 | $132,579 | — |
| Keyval, Inc dba Keyes Honda CA | — | 0 | — | — |
| Keywell Metals LLc NC | Wholesale Trade | 0 | — | A |
| KEYWELL METALS LLC NY | Wholesale Trade | 0 | — | F |
| Keywell Metals LLC PA | Wholesale Trade | 0 | — | A |
| Keywell, L.L.C. NY | — | 0 | — | — |
| Keyword Studios / VMC Consulting Corporation WA | — | 0 | — | — |
| Keyword Studios US Inc. WA | — | 0 | — | — |
| KeywordFirst LLC IL | Professional & Technical Services | 1 | $90,000 | — |
| Keywords Studios PLC ND | — | 0 | — | — |
| KF Hospitality MI | Accommodation & Food Services | 0 | — | A |
| KF Mechanical LLC NJ | Construction | 0 | — | F |
| KF Tea Massachusetts Inc. MA | Wholesale Trade | 1 | $87,901 | — |
| KF VALVES LLC TX | Transportation & Warehousing | 0 | — | A |
| KFA, LLP CA | Professional & Technical Services | 1 | $86,500 | — |
| KFAM-NWH, Inc. TX | Retail Trade | 0 | — | A |
| KFBORE LLC OR | Retail Trade | 0 | — | B |
| KFC Corporation KY | Accommodation & Food Services | 4 | $130,237 | — |
| KFC-PHX CO | — | 0 | — | — |
| KFG Operating 1 NY | Healthcare & Social Assistance | 0 | — | F |
| KFHC Hospitality Lessee Two, LLC NY | Accommodation & Food Services | 0 | — | A |
| KFI Engineers PC MN | Professional & Technical Services | 1 | $106,454 | — |
| KFM Enterprises LLC OK | Manufacturing | 0 | — | A |
| Kforce Inc AZ | Administrative & Waste Services | 0 | — | A |