In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-30, -193, -89], [-195, 93, 69, -136, 37, 43, -88], [-199, -111, 41, 52, -150, 12]]