| Knight & Leavitt Associates, Inc. NV | Other Services | 0 | — | A |
| Knight Abbey Printing & Mailing MS | Manufacturing | 0 | — | C |
| Knight Aerospace Medical Systems TX | Manufacturing | 0 | — | F |
| Knight Boat Docks, Inc. WA | Manufacturing | 0 | — | A |
| Knight Capital Americas LLC NY | — | 0 | — | — |
| Knight Capital Group NJ | — | 0 | — | — |
| KNIGHT CARBIDE MI | Manufacturing | 0 | — | A |
| Knight Const. & Supply, Inc. WA | Construction | 0 | — | B |
| Knight Delivery TX | Transportation & Warehousing | 0 | — | A |
| Knight Dental Group, Inc. FL | Manufacturing | 1 | $120,000 | — |
| Knight Electric IA | Construction | 0 | — | F |
| Knight Electric, Inc. TX | Construction | 0 | — | F |
| Knight Enterprises Inc PA | Real Estate | 0 | — | F |
| Knight Enterprises LLC FL | Manufacturing | 0 | — | D |
| Knight Ergonomics, Ltd. MI | Manufacturing | 0 | — | D |
| Knight Facilities Management, Inc. MI | Administrative & Waste Services | 0 | — | A |
| Knight Farms CA | Agriculture & Forestry | 0 | — | D |
| Knight Industries Corp. OH | Wholesale Trade | 0 | — | A |
| Knight InfoTech, LLC KY | Professional & Technical Services | 1 | $68,848 | — |
| Knight Law Group, LLP CA | — | 0 | — | — |
| Knight Material Technologies LLC OH | Construction | 1 | $130,000 | — |
| Knight Materials Technologies OH | Manufacturing | 0 | — | C |
| Knight Petroleum Company GA | Transportation & Warehousing | 0 | — | A |
| Knight Refrigerated KS | Transportation & Warehousing | 0 | — | A |
| Knight Swift Warehouse Fulfillment CA | Transportation & Warehousing | 0 | — | A |
| Knight Transfer Services, Inc. MI | Administrative & Waste Services | 0 | — | A |
| KNIGHT TRANSPORTATION AZ | Transportation & Warehousing | 0 | — | A |
| Knight Transportation CA | Transportation & Warehousing | 0 | — | A |
| Knight Transportation CO | Transportation & Warehousing | 0 | — | A |
| Knight Transportation FL | Transportation & Warehousing | 0 | — | A |
| Knight Transportation GA | Transportation & Warehousing | 0 | — | B |
| Knight Transportation IN | Transportation & Warehousing | 0 | — | C |
| Knight Transportation KS | Transportation & Warehousing | 0 | — | C |
| Knight Transportation MS | Transportation & Warehousing | 0 | — | A |
| Knight Transportation NC | Transportation & Warehousing | 0 | — | B |
| Knight Transportation NV | Transportation & Warehousing | 0 | — | B |
| Knight Transportation OH | Transportation & Warehousing | 0 | — | C |
| Knight Transportation OK | Transportation & Warehousing | 0 | — | B |
| Knight Transportation OR | Transportation & Warehousing | 0 | — | A |
| Knight Transportation PA | Transportation & Warehousing | 0 | — | A |
| Knight Transportation TN | Transportation & Warehousing | 0 | — | A |
| KNIGHT TRANSPORTATION TX | Transportation & Warehousing | 0 | — | A |
| Knight Transportation UT | Transportation & Warehousing | 0 | — | B |
| Knight Transportation Port TX | Transportation & Warehousing | 0 | — | C |
| Knight Transportation Refrigerated AZ | Transportation & Warehousing | 0 | — | A |
| Knight Transportation Refrigerated FL | Transportation & Warehousing | 0 | — | B |
| Knight Transportation Refrigerated GA | Transportation & Warehousing | 0 | — | B |
| Knight Transportation Refrigerated ID | Transportation & Warehousing | 0 | — | A |
| Knight Transportation Refrigerated IN | Transportation & Warehousing | 0 | — | A |
| Knight Transportation Refrigerated MS | Transportation & Warehousing | 0 | — | B |
