eRepublik link: https://www.erepublik.com/en/main/rankings-military/1/my
There are numerous military units in the New World. It would be completely difficult to list all of them. However, in the rankings, a citizen can view the best military units of a country. Originally when a citizen is logged in and checks this stats, citizen will view the top units from the country of his citizenship, or if he is in the military unit, the top units of the country from where the unit is, as well compared where is his unit if it is not the top 5 units of the country.
The units are ordered by the number of enemies killed.