Netmiko supports many vendors and regularly adds new vendors to the supported list. Following is a list of supported vendors categorized into three groups: Regularly tested, Limited testing, and Experimental. You can find the list on the module GitHub page at https://github.com/ktbyers/netmiko#supports.
The following screenshot shows the number of supported vendors under the Regularly tested category:
The following screenshot shows the number of supported vendors under the Limited testing category:
The following screenshot shows ...