Japan

Top 15 largest Japanese Companies in the Communication Equipment industry by Market Cap

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

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

Rank Company Market Cap (USD) Country Sector Industry
1 Oki Electric Industry Co Ltd $1.08 B Japan Japanese Technology Japanese Communication Equipment
2 Conexio Corp $592.6 M

(March 1, 2023)

 Japan Japanese Technology Japanese Communication Equipment
3 Sato Holdings Corp $477.3 M Japan Japanese Technology Japanese Communication Equipment
4 Aiphone Co.,Ltd. $302.9 M Japan Japanese Technology Japanese Communication Equipment
5 Icom, Inc. $257.4 M Japan Japanese Technology Japanese Communication Equipment
6 FTGroup Co. Ltd $237.1 M Japan Japanese Technology Japanese Communication Equipment
7 SAXA Holdings, Inc. $188.3 M Japan Japanese Technology Japanese Communication Equipment
8 Allied Telesis Holdings K.K. $161.1 M Japan Japanese Technology Japanese Communication Equipment
9 Denki Kogyo Co.,Ltd. $144.8 M Japan Japanese Technology Japanese Communication Equipment
10 Iwatsu Electric Co. Ltd $125.3 M

(July 1, 2024)

 Japan Japanese Technology Japanese Communication Equipment
11 Advanced Media, Inc. $101.1 M Japan Japanese Technology Japanese Communication Equipment
12 Tobila Systems, Inc. $67.0 M Japan Japanese Technology Japanese Communication Equipment
13 Harada Industry Co. Ltd $62.5 M Japan Japanese Technology Japanese Communication Equipment
14 Future Innovation Group, Inc. $59.3 M Japan Japanese Technology Japanese Communication Equipment
15 V-cube, Inc. $21.5 M Japan Japanese Technology Japanese Communication Equipment

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

1. Oki Electric Industry Co Ltd

Company Profile: Oki Electric Industry Co Ltd
Market Cap (USD): $1.08 B
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

2. Conexio Corp

Company Profile: Conexio Corp
Market Cap (USD): $592.6 M (March 1, 2023)
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

3. Sato Holdings Corp

Company Profile: Sato Holdings Corp
Market Cap (USD): $477.3 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

4. Aiphone Co.,Ltd.

Company Profile: Aiphone Co.,Ltd.
Market Cap (USD): $302.9 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

5. Icom, Inc.

Company Profile: Icom, Inc.
Market Cap (USD): $257.4 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

6. FTGroup Co. Ltd

Company Profile: FTGroup Co. Ltd
Market Cap (USD): $237.1 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

7. SAXA Holdings, Inc.

Company Profile: SAXA Holdings, Inc.
Market Cap (USD): $188.3 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

8. Allied Telesis Holdings K.K.

Company Profile: Allied Telesis Holdings K.K.
Market Cap (USD): $161.1 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

9. Denki Kogyo Co.,Ltd.

Company Profile: Denki Kogyo Co.,Ltd.
Market Cap (USD): $144.8 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

10. Iwatsu Electric Co. Ltd

Company Profile: Iwatsu Electric Co. Ltd
Market Cap (USD): $125.3 M (July 1, 2024)
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

11. Advanced Media, Inc.

Company Profile: Advanced Media, Inc.
Market Cap (USD): $101.1 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

12. Tobila Systems, Inc.

Company Profile: Tobila Systems, Inc.
Market Cap (USD): $67.0 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

13. Harada Industry Co. Ltd

Company Profile: Harada Industry Co. Ltd
Market Cap (USD): $62.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

14. Future Innovation Group, Inc.

Company Profile: Future Innovation Group, Inc.
Market Cap (USD): $59.3 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

15. V-cube, Inc.

Company Profile: V-cube, Inc.
Market Cap (USD): $21.5 M
Country: Japan
Sector: Japanese Technology
Industry: Japanese Communication Equipment

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