Japan

Top 131 largest Japanese Companies in the Communication Services sector by Market Cap

This is the list of the largest public listed companies in the Communication Services sector from Japan by market capitalization with links to their reference stock and industry.

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Top Communication Services Companies from Japan as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
1 SoftBank Group Corp. $152.95 B Japan Japanese Communication Services Japanese Telecom Services
2 Nintendo Co Ltd $98.66 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
3 Nippon Telegraph & Telephone Corp $81.74 B Japan Japanese Communication Services Japanese Telecom Services
4 KDDI Corp $65.34 B Japan Japanese Communication Services Japanese Telecom Services
5 Konami Holdings Corporation $20.62 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
6 NEXON Co. Ltd $19.33 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
7 Capcom Co Ltd $10.20 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
8 Square Enix Holdings Co Ltd $7.18 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
9 Nippon Television Holdings, Inc. $6.38 B Japan Japanese Communication Services Japanese Broadcasting
10 Dentsu Group, Inc. $5.87 B Japan Japanese Communication Services Japanese Advertising Agencies
11 TBS Holdings,Inc. $5.82 B Japan Japanese Communication Services Japanese Broadcasting
12 Fuji Media Holdings, Inc. $4.65 B Japan Japanese Communication Services Japanese Broadcasting
13 Koei Tecmo Holdings Co. Ltd $4.55 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
14 CyberAgent, Inc. $4.51 B Japan Japanese Communication Services Japanese Advertising Agencies
15 Toei Animation Co.,Ltd. $3.75 B Japan Japanese Communication Services Japanese Entertainment
16 Sega Sammy Holdings, Inc. $3.60 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
17 SKY Perfect JSAT Holdings, Inc. $3.50 B Japan Japanese Communication Services Japanese Broadcasting
18 Internet Initiative Japan, Inc. $3.25 B Japan Japanese Communication Services Japanese Telecom Services
19 Kadokawa Corp $3.10 B Japan Japanese Communication Services Japanese Publishing
20 Kakaku.com, Inc. $2.91 B Japan Japanese Communication Services Japanese Telecom Services
21 Hakuhodo DY Holdings, Inc. $2.73 B Japan Japanese Communication Services Japanese Advertising Agencies
22 GMO internet, Inc. $2.60 B Japan Japanese Communication Services Japanese Telecom Services
23 USEN-NEXT HOLDINGS Co.,Ltd. $2.41 B Japan Japanese Communication Services Japanese Telecom Services
24 Toei Company Ltd $2.30 B Japan Japanese Communication Services Japanese Entertainment
25 TV Asahi Holdings Corp $2.15 B Japan Japanese Communication Services Japanese Broadcasting
26 Okinawa Cellular Telephone Company $1.67 B Japan Japanese Communication Services Japanese Telecom Services
27 mixi, Inc. $1.21 B Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia
28 Shochiku Co. Ltd $1.15 B Japan Japanese Communication Services Japanese Entertainment
29 T-Gaia Corp $946.4 M

(Jan. 1, 2025)

 Japan Japanese Communication Services Japanese Telecom Services
30 GungHo Online Entertainment, Inc. $858.2 M Japan Japanese Communication Services Japanese Electronic Gaming & Multimedia

Top Communication Services Companies from Japan as of Jan. 01, 2026

1. SoftBank Group Corp.

Company Profile: SoftBank Group Corp.
Market Cap (USD): $152.95 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

2. Nintendo Co Ltd

Company Profile: Nintendo Co Ltd
Market Cap (USD): $98.66 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

3. Nippon Telegraph & Telephone Corp

Company Profile: Nippon Telegraph & Telephone Corp
Market Cap (USD): $81.74 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

4. KDDI Corp

Company Profile: KDDI Corp
Market Cap (USD): $65.34 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

5. Konami Holdings Corporation

Company Profile: Konami Holdings Corporation
Market Cap (USD): $20.62 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

6. NEXON Co. Ltd

Company Profile: NEXON Co. Ltd
Market Cap (USD): $19.33 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

7. Capcom Co Ltd

Company Profile: Capcom Co Ltd
Market Cap (USD): $10.20 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

8. Square Enix Holdings Co Ltd

Company Profile: Square Enix Holdings Co Ltd
Market Cap (USD): $7.18 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

9. Nippon Television Holdings, Inc.

Company Profile: Nippon Television Holdings, Inc.
Market Cap (USD): $6.38 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Broadcasting

10. Dentsu Group, Inc.

Company Profile: Dentsu Group, Inc.
Market Cap (USD): $5.87 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Advertising Agencies

11. TBS Holdings,Inc.

Company Profile: TBS Holdings,Inc.
Market Cap (USD): $5.82 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Broadcasting

12. Fuji Media Holdings, Inc.

Company Profile: Fuji Media Holdings, Inc.
Market Cap (USD): $4.65 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Broadcasting

13. Koei Tecmo Holdings Co. Ltd

Company Profile: Koei Tecmo Holdings Co. Ltd
Market Cap (USD): $4.55 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

14. CyberAgent, Inc.

Company Profile: CyberAgent, Inc.
Market Cap (USD): $4.51 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Advertising Agencies

15. Toei Animation Co.,Ltd.

Company Profile: Toei Animation Co.,Ltd.
Market Cap (USD): $3.75 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Entertainment

16. Sega Sammy Holdings, Inc.

Company Profile: Sega Sammy Holdings, Inc.
Market Cap (USD): $3.60 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

17. SKY Perfect JSAT Holdings, Inc.

Company Profile: SKY Perfect JSAT Holdings, Inc.
Market Cap (USD): $3.50 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Broadcasting

18. Internet Initiative Japan, Inc.

Company Profile: Internet Initiative Japan, Inc.
Market Cap (USD): $3.25 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

19. Kadokawa Corp

Company Profile: Kadokawa Corp
Market Cap (USD): $3.10 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Publishing

20. Kakaku.com, Inc.

Company Profile: Kakaku.com, Inc.
Market Cap (USD): $2.91 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

21. Hakuhodo DY Holdings, Inc.

Company Profile: Hakuhodo DY Holdings, Inc.
Market Cap (USD): $2.73 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Advertising Agencies

22. GMO internet, Inc.

Company Profile: GMO internet, Inc.
Market Cap (USD): $2.60 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

23. USEN-NEXT HOLDINGS Co.,Ltd.

Company Profile: USEN-NEXT HOLDINGS Co.,Ltd.
Market Cap (USD): $2.41 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

24. Toei Company Ltd

Company Profile: Toei Company Ltd
Market Cap (USD): $2.30 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Entertainment

25. TV Asahi Holdings Corp

Company Profile: TV Asahi Holdings Corp
Market Cap (USD): $2.15 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Broadcasting

26. Okinawa Cellular Telephone Company

Company Profile: Okinawa Cellular Telephone Company
Market Cap (USD): $1.67 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

27. mixi, Inc.

Company Profile: mixi, Inc.
Market Cap (USD): $1.21 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

28. Shochiku Co. Ltd

Company Profile: Shochiku Co. Ltd
Market Cap (USD): $1.15 B
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Entertainment

29. T-Gaia Corp

Company Profile: T-Gaia Corp
Market Cap (USD): $946.4 M (Jan. 1, 2025)
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

30. GungHo Online Entertainment, Inc.

Company Profile: GungHo Online Entertainment, Inc.
Market Cap (USD): $858.2 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Electronic Gaming & Multimedia

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