Japan

Top 20 largest Japanese Companies in the Telecom Services industry by Market Cap

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

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Top Telecom 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 Nippon Telegraph & Telephone Corp $81.74 B Japan Japanese Communication Services Japanese Telecom Services
3 KDDI Corp $65.34 B Japan Japanese Communication Services Japanese Telecom Services
4 Internet Initiative Japan, Inc. $3.25 B Japan Japanese Communication Services Japanese Telecom Services
5 Kakaku.com, Inc. $2.91 B Japan Japanese Communication Services Japanese Telecom Services
6 GMO internet, Inc. $2.60 B Japan Japanese Communication Services Japanese Telecom Services
7 USEN-NEXT HOLDINGS Co.,Ltd. $2.41 B Japan Japanese Communication Services Japanese Telecom Services
8 Okinawa Cellular Telephone Company $1.67 B Japan Japanese Communication Services Japanese Telecom Services
9 T-Gaia Corp $946.4 M

(Jan. 1, 2025)

 Japan Japanese Communication Services Japanese Telecom Services
10 ARTERIA Networks Corp $683.7 M

(July 1, 2023)

 Japan Japanese Communication Services Japanese Telecom Services
11 JTOWER, Inc. $588.2 M

(Jan. 1, 2025)

 Japan Japanese Communication Services Japanese Telecom Services
12 Vision, Inc. $408.3 M Japan Japanese Communication Services Japanese Telecom Services
13 IPS, Inc. $286.7 M Japan Japanese Communication Services Japanese Telecom Services
14 Japan Communications, Inc. $153.3 M Japan Japanese Communication Services Japanese Telecom Services
15 Asahi Net, Inc. $115.6 M Japan Japanese Communication Services Japanese Telecom Services
16 Fibergate, Inc. $88.6 M Japan Japanese Communication Services Japanese Telecom Services
17 Crops Corp $83.6 M Japan Japanese Communication Services Japanese Telecom Services
18 BroadBand Tower, Inc. $72.2 M Japan Japanese Communication Services Japanese Telecom Services
19 BENEFIT JAPAN Co. Ltd $64.6 M Japan Japanese Communication Services Japanese Telecom Services
20 Recomm Co. Ltd $44.3 M Japan Japanese Communication Services Japanese Telecom Services

Top Telecom 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. 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

3. KDDI Corp

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

4. 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

5. Kakaku.com, Inc.

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

6. GMO internet, Inc.

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

7. 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

8. 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

9. 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

10. ARTERIA Networks Corp

Company Profile: ARTERIA Networks Corp
Market Cap (USD): $683.7 M (July 1, 2023)
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

11. JTOWER, Inc.

Company Profile: JTOWER, Inc.
Market Cap (USD): $588.2 M (Jan. 1, 2025)
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

12. Vision, Inc.

Company Profile: Vision, Inc.
Market Cap (USD): $408.3 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

13. IPS, Inc.

Company Profile: IPS, Inc.
Market Cap (USD): $286.7 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

14. Japan Communications, Inc.

Company Profile: Japan Communications, Inc.
Market Cap (USD): $153.3 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

15. Asahi Net, Inc.

Company Profile: Asahi Net, Inc.
Market Cap (USD): $115.6 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

16. Fibergate, Inc.

Company Profile: Fibergate, Inc.
Market Cap (USD): $88.6 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

17. Crops Corp

Company Profile: Crops Corp
Market Cap (USD): $83.6 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

18. BroadBand Tower, Inc.

Company Profile: BroadBand Tower, Inc.
Market Cap (USD): $72.2 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

19. BENEFIT JAPAN Co. Ltd

Company Profile: BENEFIT JAPAN Co. Ltd
Market Cap (USD): $64.6 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

20. Recomm Co. Ltd

Company Profile: Recomm Co. Ltd
Market Cap (USD): $44.3 M
Country: Japan
Sector: Japanese Communication Services
Industry: Japanese Telecom Services

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