Your include/exclude criteria appear to be very complex, and I'm not certain exactly what you want to show or not in which circumstances. Do you have different exclude lists, or are those all the same? Is the include list the same as the exclude list, or something else?
when excluding whole manufacturers it also excludes items i want to show another icon for, how to also exclude items from that manufacturers lists
Yes, the define should have been
PHP Code:
define('FREE_SHIP_ICON_MFRS_EX', 'SFIFloors,Boone,TaylorAdhesives,MegatradeCorporation'); 
Missed the duplicate quote in the original.