| Kansas Department of Transportation KS | Public Administration | 2 | $67,678 | — |
| Kansas Electric Power Cooperative, Inc. KS | Utilities | 0 | — | A |
| Kansas Electric, Inc. KS | Construction | 0 | — | C |
| Kansas Ethanol, LLC KS | Manufacturing | 0 | — | A |
| Kansas Fencing, Inc. KS | Construction | 0 | — | F |
| Kansas Fire Protection District IL | Public Administration | 0 | — | A |
| Kansas Gas Service KS | Utilities | 0 | — | B |
| Kansas Gas Service OK | Utilities | 0 | — | A |
| KANSAS GOLF AND TURF, INC. KS | Retail Trade | 0 | — | A |
| Kansas Heart Hospital KS | Healthcare & Social Assistance | 0 | — | D |
| Kansas Ready Mix KS | Manufacturing | 0 | — | F |
| Kansas Star Casino, Hotel and Event Center KS | — | 0 | — | — |
| Kansas State University KS | Educational Services | 20 | $62,742 | — |
| KANSAS SURVERY AND RECOVERY CENTER KS | Healthcare & Social Assistance | 0 | — | F |
| KansasCity Winnelson Co KS | Transportation & Warehousing | 0 | — | A |
| Kansasland Tire KS | Retail Trade | 0 | — | C |
| Kansasland Tire TX | Retail Trade | 0 | — | A |
| KANSHE DAYALU ENTERPRISES INC TX | Professional & Technical Services | 4 | $134,436 | — |
| KANSHE INFOTECH INC TX | Professional & Technical Services | 1 | $84,240 | — |
| KANTAR LLC CT | Professional & Technical Services | 4 | $126,765 | — |
| Kantex Industries KS | Construction | 0 | — | A |
| Kantex Subsurface CO | Construction | 0 | — | A |
| Kanthal CA | Manufacturing | 0 | — | F |
| Kanthal NC | Manufacturing | 0 | — | F |
| Kanthal Corp. CT | Manufacturing | 0 | — | F |
| Kantishna Roadhouse, Inc. AK | Accommodation & Food Services | 0 | — | A |
| Kanto Corporation OR | Manufacturing | 0 | — | F |
| Kanza Cooperative Association KS | Wholesale Trade | 0 | — | F |
| Kanzaki Specialty Papers MA | Manufacturing | 0 | — | F |
| Kao Collins Inc. OH | Manufacturing | 0 | — | A |
| Kao Specialities Americas LLC NC | Manufacturing | 0 | — | D |
| Kao USA OH | Manufacturing | 0 | — | A |
| Kaos Mac dba 1882 Grille OR | Accommodation & Food Services | 0 | — | F |
| Kapal Supplier, LLC TX | Wholesale Trade | 0 | — | A |
| Kapal, LLC TX | Manufacturing | 0 | — | A |
| Kapala Heating & Air Conditioning MI | Construction | 0 | — | A |
| Kapco Inc. WI | Manufacturing | 0 | — | F |
| Kapco Metal Stamping WI | Manufacturing | 0 | — | F |
| KAPER II INC. WA | Manufacturing | 0 | — | F |
| Kapi'olani Medical Specialists HI | Healthcare & Social Assistance | 3 | $80,746 | — |
| Kaplan Construction MA | Construction | 0 | — | A |
| Kaplan Development Corporation NH | Healthcare & Social Assistance | 0 | — | F |
| Kaplan Development Group GA | Healthcare & Social Assistance | 0 | — | F |
| Kaplan Development Group NJ | Healthcare & Social Assistance | 0 | — | F |
| Kaplan Early Learning Company NC | Retail Trade | 0 | — | B |
| Kaplan Inc. NY | — | 0 | — | — |
| KAPLAN INDUSTRIES INC OH | Wholesale Trade | 0 | — | B |
| Kaplan International Languages PA | — | 0 | — | — |
| Kaplan K12 Learning Services NY | — | 0 | — | — |
| Kaplan Schmidt Electric, Inc. NY | Construction | 0 | — | A |
