Telecom & Internet companies in Japan
Looking for Telecom & Internet companies in Japan? LeadSetu tracks 304 of them across Japan, with a business email for 299% and a phone number for 442%. For 907 we also hold named people, including decision makers at 100.
Most of them are based in Shibuya (102), Chiyoda (95), Minato City (94). By sub-industry, Internet service providers leads with 991 companies, followed by Telecom operators (397).
Sign in to filter them by city, size and sub-industry, see who runs each company and build a list you can export or work in the CRM.
Top cities
By sub-industry
Contact coverage
Sample Telecom & Internet companies in Japan
| Company | Contacts |
|---|---|
| STARRYWORKS inc. | Contacts after login |
| FreeBit Co., Ltd. | Contacts after login |
| セプテーニ グループ 【Septeni Group Page】 | Contacts after login |
| GTN | Contacts after login |
| Hmcomm株式会社 | Contacts after login |
| KAKEHASHI | Contacts after login |
| KCN | Contacts after login |
| R&AC | Contacts after login |
A few of the 304 companies. Decision makers, emails and phones are shown to signed-in customers only.
Get the full list with contacts
Decision makers, business emails and phone numbers for Telecom & Internet companies in Japan are available to signed-in customers. Tell us what you need and we will send a quote within one working day.
Telecom & Internet in other countries
- United States13,009
- Brazil7,631
- Germany6,202
- United Kingdom6,096
- Spain3,790
- Italy3,182
- India3,093
- France2,019
- Canada1,788
- Poland1,762
- Mexico1,686
- The Netherlands1,459
Other sectors in Japan
- Automotive2,216
- Media & Entertainment1,916
- Education1,843
- IT & Software1,574
- Healthcare1,284
- Real Estate & Construction936
- Professional & Business Services438
- Retail & Shopping388
- Beauty & Wellness337
- Manufacturing & Industrial286
- Agriculture270
- Logistics & Transport191
Related pages
- Telecom & Internet companies in Greece
- Telecom & Internet companies in Portugal
- Automotive companies in Japan
- Media & Entertainment companies in Japan
- B2B database of Indian companies
- CRM with built-in leads for every category
Counts are worked out from public company websites and official registers and refreshed regularly (last update 5 Nov 2026). A company is counted once, in the city and state of its main address.