| Abbreviation | Definition |
|---|---|
| KR | Kernighan Ritchie |
| KR | Kirkpatrick and Reisch |
| KR | Konversionsfilter Rot |
| KRA | K. R. Anderson, Inc. |
| KRB | Kevin R. Boldenow, Photographer |
| KRBC | Kern River Brewing Company |
| KRC | Kaberry Research Centre |
| KRC | Keewatin Railway Company |
| KRC | Kentucky Rebuild Corporation |
| KRC | Keystone Radio Control |
| KRC | Kilroy Realty Corp |
| KRC | Kingston Restoration Company |
| KRC | Kodel Radio Company |
| KRD | Kutchins Robbins & Diamond, CPA and CFP, Chicago, Illinois |
| KRG | Key Resource Group, Inc. |
| KRG | Key Resources Group |
| KRG | Kite Realty Group |
| KRI | Kaufman Robinson Inc |
| KRI | Khan Resources Inc |
| KRI | Kreative Resources Inc |