If you don't have a variable indent, it's pretty easy: just put the fields exactly where you want them to end up. For example,

format STDOUT =
       @<<<<<<<<<<<<<<<<<<<<<<<<<<<     @<<<<
       $Company,                        $DeptCode
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and so on. In other words, you don't need to fill up the whole line. More info at perlform.

Or are you trying to do something fancy with the indentation level? If so, please clarify.