| COMPANY | ADDRESS | PHONE | FAX |
| Hayakawa Densen Kogyo Co., Ltd. | 422 Nishi-Nobusue Himeji, Hyogo - Pref. Japan | +81-792-96-3221 | +81-792-92-2367 |
| Hayakawa Electronics America, Inc. | 1425 Greenway Drive suite140 Irving TX75038 | +1-972-457-0064 | +1-972-457-0109 |
| Hayakawa International (UK) Ltd. | 5 Davy Way,Llay Industrial Estate,Llay,Wrexham,LL12 0PG,UK | +44-1978-85-3366 | +44-1978-85-6637 |
| Hayakawa International Czech Republic | Na Okraji 335/42,162 00 Praha 6 - Veleslavin, CZECH REPUBLIC | +420-255-700-110 | |
| Hayakawa Electric Wire (HangZhou) Co., Ltd. | Leshan Industry Region Xianlin Town Yuhang District Hangzhou, ZheJiang, China | +86-571-8868-5892 | +86-571-8868-3928 |
| Hayakawa Electric de Mexico, S.A de C.V | Vie Verte Queretaro Acceso III #96, Zona Industrial Benito Juarez Delegacion Feliz Osores Sotomayor Queretaro,Queretaro,MEXICO | +52-442-209-5241 | |
| Hayakawa International(HK)Ltd. | Room 902, 9F Golden Gate Comercial Building,136-138,Austin Road. Tsimshatsui. Kowloon HONGKONG | +852-2882-1299 | +852-2148-9468 |
| Hayakawa Electronics (Thailand) Co. Ltd. | 8/3 Moo2 Tambol Bangwua, Bangpakong, Chachoengsao 24180, Thailand | +66-38-538-944 | +66-38-538-380 |
| Hayakawa Electronics (Thailand) Co. Ltd. (2nd Plant) | 19/1 Moo 9 Tambol Bangluksua, Amphur Ongkharak Nakhornnayok 26120 | +66-37-537-800 | +66-37-537-801 |
| Hayakawa Electronics Vietnam Co., Ltd. | Lot No. A3 Dai Dong-Hoan Son I.P. Bac Ninh province, Vietnam | +84-241-847-449 | +84-241-847-448 |
| Hayakawa International India Private Ltd. | Plot No.64, Sector 3, IMT, Manesar, Guragaon, Haryana, 122050 INDIA | +91-124-426-8488 | +91-124-426-8487 |
| Hayakawa International S'pore Pte. Ltd. | No. 11 Woodlands Close, #05-46/47/48, Woodlands 11, Singapore 737853 | +65-668-40777 | +65-668-42777 |
| Hayakawa Electronics (Phils.) Corp. | CEZ Drive Cavite Economic Zone Rosario, Cavite, 4106 Phillippines | +63-46-437-1401 | |
| Hayakawa Component Technologies, Inc. | CEZ Drive Cavite Economic Zone Rosario, Cavite, 4106 Phillippines | +63-46-971-0786 | +63-46-437-1413 |
| Beyond Infinity Connection Phils., Inc. | Blk 20,Livelihood Road,Pampanga Economic Zone Angeles City,Pampanga,2009 PHILIPPINES | +63-45-901-0430 | |
| HST-1 HS Technologies (Phils.) Inc. | Main Avenue, Cavite Economic Zone Rosario, Cavite, 4106 Phillippines | +63-46-437-2231 | +63-46-437-2236 |
| HST-2 HS Technologies (Phils.) Inc. | Main Avenue, Cavite Economic Zone Rosario, Cavite, 4106 Phillippines | +63-46-437-2231 | +63-46-437-2236 |
| Iwasaki Electronics (Phillippines)Corp. | Main Avenue, Cavite Economic Zone Rosario, Cavite, 4106 Phillippines | +63-46-437-0622 | |