pzl świdnik s.a ("wytwórnia sprzętu komunikacyjnego pzl-świdnik s.a.") is the biggest helicopter manufacturer in poland. its main products are pzl w-3 sokół and pzl sw-4 puszczyk helicopters. in early 2010 the factory was acquired by agustawestland (since 2015 became part of leonardo-finmeccanica’s helicopter division).