In Xinyu, a bustling city known for its technological advancements, the list of the top 20 most popular technical companies is as follows:

1. Advanced Tech Solutions Inc.
2. XinTech Innovation Group
3. Solar Energy Technologies Ltd.
4. FutureNet Communications Co.
5. AI Dynamics Research Corp.
6. Xinyu Cybernetics Limited
7. GreenEnergy Solutions Inc.
8. Digital Neurotech Corporation
9. SmartGrid Innovations LLC
10. QuantumTech Dynamics Ltd.

These companies have not only gained significant popularity in Xinyu but also contribute significantly to the city’s technological advancements and growth.