| 3601 | KNET | KNESS TRUCKING INC | | | SCAC3 |
| 3602 | KNET | KNESS TRUCKING INC | | | SCAC4 |
| 3603 | KNFD | KNOLL FEED TRANSPORTATION SERVICE | | | SCAC4 |
| 3604 | KNFL | KNOEFLER HONEY FARMS | | | SCAC3 |
| 3605 | KNFM | K & N FISHERIES LIMITED | | | SCAC4 |
| 3606 | KNFT | KNISLEY FARM TRUCKING CO INC | | | SCAC3 |
| 3607 | KNFV | KLEIN, FRANK V | | | SCAC3 |
| 3608 | KNG | King Aviation | Callsign: King, | GB | AVCODES |
| 3609 | KNG | King Aviation | | | ICAO1 |
| 3610 | KNGA | KLINGSPOR ABRASIVOS INC | | | SCAC4 |
| 3611 | KNGB | KING, BARRY | | | SCAC3 |
| 3612 | KNGD | KINGS DELIVERY SERVICE INC | | | SCAC3 |
| 3613 | KNGD | KING, DANNY LUMBER INC | | | SCAC4 |
| 3614 | KNGE | KINGS EXPRESS INC | | | SCAC3 |
| 3615 | KNGF | KINGFISH S A DE C V | | | SCAC4 |
| 3616 | KNGG | KING, GEORGE B JR | | | SCAC3 |
| 3617 | KNGH | KNIGHT PETROLEUM COMPANY | | | SCAC4 |
| 3618 | KNGI | KING MEAT PACKING CO INC | | | SCAC3 |
| 3619 | KNGI | KNIGHT LLC | | | SCAC4 |
| 3620 | KNGK | KING TRUCKING INC | | | SCAC3 |
| 3621 | KNGL | KINGSFORD LINES II LTD | | | SCAC3 |
| 3622 | KNGM | KING MOTOR LINE INC | | | SCAC3 |
| 3623 | KNGN | KNIGHT, ART INC | | | SCAC3 |
| 3624 | KNGN | KNIGHT TRANSPORT | | | SCAC4 |
| 3625 | KNGO | KNIGHT AND SON TRANSPORTATION INC | | | SCAC4 |
| 3626 | KNGP | KING TRANSPORT INC | | | SCAC3 |
| 3627 | KNGP | KING TRUCKING INC | | | SCAC4 |
| 3628 | KNGQ | KINGHAM MESSENGER & DELIVERY SER | | | SCAC3 |
| 3629 | KNGQ | KING TRUCKING | | | SCAC4 |
| 3630 | KNGR | KINGS TRANSPORT INC | | | SCAC4 |
| 3631 | KNGS | KING SERVICES INC | | | SCAC4 |
| 3632 | KNGV | KING RELOCATION SERVICES | | | SCAC3 |
| 3633 | KNGV | KINGSVILLE FISHERMENS CO LTD | | | SCAC4 |
| 3634 | KNGY | KINGERY, EARL TRUCKING | | | SCAC3 |
| 3635 | KNGZ | KANGAROO LINE PTY., LTD | | | SCAC3 |
| 3636 | KNHC | KNIGHTS COMPANY | | | SCAC4 |
| 3637 | KNHE | KELLEY & HAWES EXPRESS, INC | | | SCAC3 |
| 3638 | KNHK | KNIGHT TRUCKING | | | SCAC3 |
| 3639 | KNHR | KANABLE, HARRY R | | | SCAC3 |
| 3640 | KNHS | K-N HANDLING SERVICES INC | | | SCAC3 |
| 3641 | KNHS | KNILL, H S COMPANY LIMITED | | | SCAC4 |
| 3642 | KNHU | PROCHEMICAL GROUP, S.R.O. | | SK | BIC |
| 3643 | KNI | Kaliningradavia Open Joint Sotck Company | IATA: KD, Callsign: Kaliningrad Air, Name changed to KD Avia Open Joint Stock Company | RUS | AVCODES |
| 3644 | KNI | KD Avia Open Joint Stock Company | IATA: KD, IATA Prefix: 093, Ceased Operations. Name changed from Kaliningradavia Open Joint Sotck Company | RUS | AVCODES |
| 3645 | KNI | KD Avia | IATA: KD | | ICAO1 |
| 3646 | KNIC | K-NINE CARTAGE INC | | | SCAC4 |
| 3647 | KNID | K & I DISTRIBUTORS INC | | | SCAC3 |
| 3648 | KNID | KANE INSTRUMENTATION LTD | | | SCAC4 |
| 3649 | KNIF | KNIFE RIVER CORPROATION NORTH CENTR | | | SCAC4 |
| 3650 | KNIG | KNIGHT TRANSPORTATION INC | | | SCAC3 |
| 3651 | KNIG | KNIGHT TRANSPORTATION INC | | | SCAC4 |
| 3652 | KNIH | KNIFFEN HEAVY HAULING | | | SCAC3 |
| 3653 | KNII | KUEHNE & NAGEL INTERNATIONAL LTD | | | SCAC3 |
| 3654 | KNIJ | KUEHNE & NAGEL INC | | | SCAC4 |
| 3655 | KNIL | KNILL H S COMPANY LIMITED | | | SCAC3 |
| 3656 | KNIL | KNIGHT INTERNATIONAL CORPORATION | | | SCAC4 |
| 3657 | KNIM | KNIGHT TRANSPORTATION INC (INTERMOD | | | SCAC4 |
| 3658 | KNIP | KNIPFEL CARTAGE LIMITED | | | SCAC3 |
| 3659 | KNIQ | K NINE INC | | | SCAC4 |
| 3660 | KNIR | KNIGHT REFRIGERATED LLC | | | SCAC4 |
| 3661 | KNIS | KNIGHTS TRANSPORTATION INC | | | SCAC4 |
| 3662 | KNIT | KNIGHT TRUCKING LLC | | | SCAC4 |
| 3663 | KNJ | Krylbo - Norbergs Järnväg | 1874 - 1958 | S | svenska-lok.se |
| 3664 | KNJB | K & J BROKERAGE INC | | | SCAC3 |
| 3665 | KNJN | KNJ TRUCKING INC | | | SCAC4 |
| 3666 | KNJS | KNOEBEL, JOHN & SON | | | SCAC3 |
| 3667 | KNJT | K & J TRUCKING INC | | | SCAC3 |
| 3668 | KNKB | K & K TRUCKING | | | SCAC3 |
| 3669 | KNKB | K & K TRUCKING | | | SCAC4 |
| 3670 | KNKC | K & K TRANSPORTATION CO, INC | | | SCAC3 |
| 3671 | KNKC | KERSHAN TRUCKING INC | | | SCAC4 |
| 3672 | KNKD | KINKEAD MINING & CONSTRUCTION INC | | | SCAC3 |
| 3673 | KNKD | KENNETTE TRUCKING LTD | | | SCAC4 |
| 3674 | KNKE | KANKAKEE INDUSTRIAL DISPOSAL INC | | | SCAC3 |
| 3675 | KNKE | KANKAKEE INDUSTRIAL DISPOSAL INC | | | SCAC4 |
| 3676 | KNKF | KENKO SHIPPING LINE | | | SCAC4 |
| 3677 | KNKG | KING TRUCKING | | | SCAC3 |
| 3678 | KNKI | KNIGHT & KING CATTLE CO TRUCKING | | | SCAC3 |
| 3679 | KNKI | KNAACK TRANSPORT INC | | | SCAC4 |
| 3680 | KNKK | K & K TRUCKING | | | SCAC3 |
| 3681 | KNKL | KONINK LOGISTICS INC | | | SCAC4 |
| 3682 | KNKM | K & K MACHINERY INC | | | SCAC3 |
| 3683 | KNKO | K AND K CARTAGE CO | | | SCAC3 |
| 3684 | KNKQ | K & K TRUCK LINES INC | | | SCAC3 |
| 3685 | KNLB | KNOLL, BOB JR EXCAVATING AND HAULIN | | | SCAC3 |
| 3686 | KNLC | K & L CARTAGE CO | | | SCAC3 |
| 3687 | KNLC | KERN, LANCE | | | SCAC4 |
| 3688 | KNLD | K & L DISTRIBUTORS INC | | | SCAC3 |
| 3689 | KNLE | KELLEN LEASING INC | | | SCAC4 |
| 3690 | KNLF | KOREAN AIR LINES CO LTD | | | SCAC4 |
| 3691 | KNLG | K & L GARDENS | | | SCAC4 |
| 3692 | KNLI | KIRK NATIONAL LEASE | | | SCAC3 |
| 3693 | KNLI | KNL TRANSPORTATION INC | | | SCAC4 |
| 3694 | KNLK | K & L TRUCKING | | | SCAC3 |
| 3695 | KNLK | K AND L TRUCKING LLC | | | SCAC4 |
| 3696 | KNLM | KING LIMOUSINE SERVICE | | | SCAC3 |
| 3697 | KNLR | K N L TRUCKING INC | | | SCAC3 |
| 3698 | KNLR | KENNEDY, LARRY W | | | SCAC4 |
| 3699 | KNLT | K & L TRANSPORTATION CORP | | | SCAC3 |
| 3700 | KNLU | MAERSK A/S | | DK | BIC |
