| Abbreviation | Definition |
|---|---|
| JKFC | Jordan Kane Floor Coverings, Inc. |
| JKI | J. K. Industries, Ltd. |
| JKI | Jean Kripton Inc |
| JKI | Jean Kripton, Inc. |
| JKJ | Jimmie King, Junior |
| JKJ | Johnson, Kendall, & Johnson, Inc. |
| JKM | John Keal Music Company |
| JKO | J. K. Orthomedic, Ltd. |
| JKP | James K. Phipps, P. E. |
| JKP | Jessica Kingsley Publishers, Inc. |
| JKP | Joe Kane Productions |
| JKR | Jeff and Kim Rathbone Ministries |
| JKS | Jouhou Koukai Services |
| JKT | Jim Keith Tools |
| JLAT | JAL Airtech Company, Ltd. |
| JLAT | John LaTourette Sports Training Institute |
| JLAT | Larry Johnson Trucking, Inc |
| JLC | Junderoo Locomotive Company |
| JLGC | Jordan Loan Guarantee Corporation |
| JLI | Johnson Laird Inc |