the following are the list of top thermal camera manufacturers :

1. Axis Communications AB in Sweden
2. pelco by schneider electric in United State
3. avigilon cctv in Canada
4. hangzhou hikvision digital technology co. ltd in China
5. american dynamics in United State
6. vicon cctv in United State
7. zhejiang dahua technology in China
8. mobotix ag in Germany
9. zhejiang uniview technologies co. ltd in China
10. sysvideo camera in China
11. hunt electronic co ltd in Taiwan
12. VCA Technology ltd in United kingdom
13. eneo security in Germany
14. Zhejiang Zhaosheng Technology Co. Ltd in China
15. Dongyang Unitech Co Ltd in Korea
16. Cubitech S.A in Greece
17. VMukti Solutions Pvt. Ltd in India
18. Changzhou Zuoan Electronics Co. Ltd in China