Here is a easy way to find the top paging space users using a svmon command:
my-system> svmon -P -O sortseg=pgsp
Unit: page
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Pid Command Inuse Pin Pgsp Virtual
2289864 sshd 18908 7988 0 18414
2265260 ksh 18499 7988 0 18427
1765570 svmon 17398 8032 0 17337