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.
[[-118, -102, -93], [-111, -25, 70, 2, -89], [-150, 18, 93, 81, 28], [-184, -21, 68, 0, 30, -136]]