✅Companies

There are several companies that produce SIM cards. Some of the major players in the industry include:

1. Gemalto (now part of Thales Group)

2. Oberthur Technologies (now part of IDEMIA)

3. Giesecke+Devrient

4. Valid

5. Eastcompeace Technology Co., Ltd.

6. Watchdata

7. Datang Microelectronics Technology Co., Ltd.

8. Kona I Co., Ltd.

9. Wuhan Tianyu Information Industry Co., Ltd.

10. Workz Group

These companies manufacture SIM cards for various mobile network operators and telecommunication companies around the world. They offer a range of SIM card types, including regular SIM cards, micro-SIM cards, nano-SIM cards, and embedded SIM (eSIM) cards.