the following are the list of top network video recorder manufacturers :
- Axis Communications AB in Sweden
- pelco by schneider electric in United State
- avigilon cctv in Canada
- hangzhou hikvision digital technology co. ltd in China
- zhejiang dahua technology in China
- american dynamics in United State
- avtech corporation in Taiwan
- milesight cctv in United State
- Cita Smart Solutions in United kingdom
- zhejiang uniview technologies co. ltd in China
- kedacom international pte ltd in china
- vandsec electronics limited in China
- cnb technology inc in Korea
- arecont vision costar llc in United State
- acti corporation in Taiwan
- IDIS cctv in Korea
- sysvideo camera in China
- longse technology Limited in China
- huper laboratories in Taiwan
- hunt electronic co ltd in Taiwan
- indigovision ltd in united kingdom
- caddx systems inc in United State
- asoni cctv in Taiwan
- eneo security in Germany
- amiko home in Hungary
- vintron informatics ltd in India
- Dongyang Unitech Co Ltd in Korea
- Probe Digital Co. Ltd in Korea
- Shenzhen Anboson Industries Co. Ltd in China
- RIFATRON Co. Ltd in Korea