- Asahi Kisen Kaisha, Ltd.
- Daito Corporation
- Hokkai Transportation Co., Ltd.
- Japan Express Transportation Co., Ltd.
- Kawasaki Kinkai Kisen Kaisha, Ltd.
- “K” Line Business Support, Ltd.
- “K” Line Business Systems, Ltd.
- “K” Line Logistics, Ltd.
- "K" Line Marine Solutions Co., Ltd.
- “K” Line Port Service Co., Ltd.
- “K” Line RoRo Bulk Ship Management Co., Ltd.
- “K” Line RORO Services Ltd.
- “K” Line Travel, Ltd.
- “K” Line Wind Service, LTD.
- KMDS Co., Ltd.
- Maizuru Kousoku Yusou Co., Ltd.
- Marine Radio Service, Ltd.
- Misuzu Machinery Co., Ltd.
- Nitto Total Logistics Ltd.
- Nitto Tugboat Co., Ltd.
- Ocean Network Express Holdings, Ltd.
- Ocean Network Express(Japan)Ltd.
- Rinko Corporation
- Seagate Corporation
- Shibaura Kaiun Co., Ltd.
- Shinto Rikuun Kaisha, Ltd.
- Air Tiger Express Companies, Inc.
- “K” Line America, Inc.
- “K” Line Drilling/Offshore Holding, Inc.
- “K” Line Logistics (U.S.A) Inc.
- “K” Line Brasil Transportes Maritimos Ltda.
- “K” Line Chile Ltda
- K Line Mexico SA de CV
- K Line Peru S.A.C
- “K” Line TRS S.A.
- Bangkok Cold Storage Service Ltd.
- K Line (China) Ltd.
- K Line Container Service (Thailand) Ltd.
- “K” Line (Korea) Ltd.
- “K” Line Logistics (Hong Kong) Ltd.
- “K” Line Logistics (Phils.), Inc.
- “K” Line Logistics (Singapore) Pte. Ltd.
- K Line Logistics South East Asia Ltd.
- K Line Logistics (Thailand) Ltd.
- K LINE MARINE & ENERGY PTE. LTD.
- “K” Line Maritime (M) Sdn Bhd
- “K” Line Pte Ltd.
- “K” Line Ship Management (Singapore) Pte Ltd.
- “K” Line (Taiwan) Ltd.
- K Line (Thailand) Ltd.
- “K” Line (Vietnam) Limited
- K Marine Ship Management Pte. Ltd.
- Ocean Network Express Pte. Ltd.
- PT. K Line Indonesia
- Kawasaki (Australia) Pty. Ltd.
- “K” Line (Australia) Pty Limited
- PrixCar Services Pty. Limited
- Cygnus Insurance Company Limited
- “K” Line (Belgium) N.V.
- “K” Line Bulk Shipping (UK) Limited
- “K” Line (Deutschland) GmbH
- “K” Line (Europe) Limited
- “K” Line European Sea Highway Services GmbH
- “K” Line Holding (Europe) Limited
- “K” Line LNG Shipping (UK) Limited
- “K” Line Logistics (UK) Ltd.
- Northern LNG Transport co., I Ltd.
- Northern LNG Transport co., II Ltd.
- “K” Line (India) Private Limited
- “K” Line (India) Shipping Private Limited
- K Line Shipping & Logistics L.L.C（Dubai）
- “K” Line Shipping (South Africa) Pty Ltd
