| BT Magnet-Technologie GmbH | Germany | ferrite magnets |
| TDK-Lambda UK Ltd. | UK | power supplies, development & manufacturing base |
| Nemic-Lambda Ltd. | Israel | power supplies, development & manufacturing base |
| EPCOS AG | Germany | capacitors, inductors, SAW components |
| Aktiv Sensor GmbH | Germany | sensors |
| Ernst Herrmann Ingenieur AG & Co.KG An EPCOS Company |
Germany | sensors |
| EPCOS Electronic Components S.A. | Spain | capacitors |
| EPCOS OHG | Austria | ceramic components, SAW components |
| EPCOS s.r.o | Czech | ferrites, ceramic components |
| EPCOS Elektronikai Alkatr | Hungary | capacitors, inductors |
| Becromal S.p.A | Italy | capacitors |
| TDK Dalian Corporation | China, Dalian | coils, isolators, organic ELdisplays, dielectric filters |
| Qingdao TDK Electronics Co., Ltd. | China, Qingdao | coils |
| TDK (Suzhou) Co., Ltd. | China, Suzhou | capacitors, radio wave absorber |
| TDK Xiamen Co., Ltd. | China, Xiamen | ferrite cores, transformers for power supplies, coils, sensors |
| SAE Magnetics (H.K.) Ltd. | China, Hong Kong | magnetic heads,voice coil motor (VCM) assembly |
| Amperex Technology Ltd. | China, Hong Kong | polymer lithium batteries |
| TDK Korea Corporretion | Korea | ferrite cores |
| TDK Taiwan Corporation | Taiwan | capacitors, ceramic components |
| TDK (Thailand) Co., Ltd. | Thailand | audio tapes, magnets |
Magnecomp Precision Technology Public Co., Ltd. |
Thailand | magnetic heads |
| TDK (Malaysia) Sdn. Bhd. | Malaysia | power supplies |
| TDK Philippines Corporation | Philippines | magnetic heads |
| Wuxi TDK-Lambda Electronics Co,. Ltd. | China, Wuxi | power supplies |
| TDK-Lambda Malaysia Sdn.Bhd | Malaysia | power supplies |
| EPCOS Technology (Wuxi) Co., Ltd. | China, Wuxi | SAW components |
| Baoke Electronic (Wuxi) Co Ltd | China, Wuxi | SAW components |
| EPCOS (Anhui) Feida Electronics Co., Ltd | China, Anhui | capacitors |
| EPCOS (Xiaogan) Co., Ltd | China, Xiaogan | protection devices |
| EPCOS (Xiamen) Co., Ltd. | China, Xiamen | capacitors |
EPCOS (Zhuhai FTZ) Co., Ltd. |
China, Zhuhai | capacitors |
| EPCOS (Zhuhai) Co., Ltd. | China, Zhuhai | inductors, sensors |
| EPCOS Pte Ltd. | Singapore | SAW components |
| EPCOS India Private Ltd. | India | capacitors, ferrites, transformers |
| EPCOS SDN.BHD. | Malaysia | protection devices |
| Chokai Plant | Akita | ferrite cores |
| Inakura Plant | Akita | ferrite cores |
| Akita Plant | Akita | various electronic materials |
| Kisakata Plant | Akita | various electronic components development |
| TDK-MCC Corporation | Akita | capacitors |
| TDK Ujo Corporation | Akita | capacitors |
| TDK Yurihonjo Corporation | Akita | power supply components |
| TDK Ugo Corporation | Akita | coils, high-frequency components |
| TDK Shonai Corporation | Yamagata | coils, transformers, power supply |
| TDK Micro Device Corporation | Ibaraki | organic EL displays |
| Narita Plant | Chiba | metal magnets |
| Technical Center | Chiba | R&D base |
| TDK-Lambda Corporation(Nagaoka Technical Center) | Niigata | power supplies, development & manufacturing base |
| Chikumagawa Techno Factory | Nagano | R&D base,blu-ray discs |
| Asama Techno Factory | Nagano | magnetic heads |
| Kofu Plant | Yamanashi | thin-film devices,silicon devices |
| Media Technology Corporation | Yamanashi | data storage tapes |
| Shizuoka Plant | Shizuoka | femte magnets |
| Mikumagawa Plant | Oita | ITO film |
| TDK R&D Corporation | U.S.A., Michigan | R&D base |
| TDK Ferrites Corporation | U.S.A., Oklahoma | ferrite magnets |
| TDK RF Solutions Inc. | U.S.A., Texas | EMC systems |
| TDK Components U.S.A., Inc. | U.S.A., Georgia | capacitors |
| Headway Technologies, Inc. | U.S.A., California | magnetic heads |
| TDK-Lambda Americas Inc. | U.S.A., New Jersey | power supplies,development & manufacturing base |
| TDK Innoveta Inc. | U.S.A., Texas | Development of power supplies | EPCOS do Brasil Ltda. | Brazil | capacitors |
