Pentakosiomedimnoi

The pentacosiomedimni or pentakosiomedimnoi (Greek: πεντακοσιομέδιμνοι) were the top class of citizens in ancient Athens after the political reforms of Solon. The pentacosiomedimni were those whose property or estate could produce 500 medimnoi of wet or dry goods (or their equivalent), per year. They were eligible for all top positions of government in Athens. These were:

The pentacosiomedimni could also serve as generals (strategoi) in the Athenian army.

...
Wikipedia