Definition of listers:
(n) :
A person or organisation that creates or maintains lists.
(n) :
One who, or that which, lists or produces a listing.
(n) :
(birdwatching) A birdwatcher who keeps track of birds using different checklists.
(n) :
A double-mouldboard plough that throws a deep furrow and at the same time plants and covers grain in the bottom of the furrow.
(n) :
A small community in the Kootenay region of British Columbia, Canada, originally named Camp Lister.
(n) :
A surname originating as an occupation for a textile dyer.