Thern Inc

Thern, Inc. is a family-owned manufacturer of winches and cranes headquartered in Winona, Minnesota with over seventy-five years of experience and European operations based in Hoofddorp, The Netherlands. The company produces electric winches across six series — the WS Worm Spur up to 6,000 lb, HS Helical Spur from 5,000 to 26,000 lb, HWF Helical Worm from 1,500 to 8,000 lb, HPF Helical Parallel from 2,000 to 25,000 lb, BP Bevel Planetary from 31,000 to 51,000 lb, and HBP Helical Bevel Planetary from 35,000 to 100,000 lb — along with hand, air, hydraulic, and portable electric winch lines. Davit cranes are offered in portable configurations including the Ensign series at 500 and 1,000 lb capacities, First Mate at 800 lb, Commander series spanning 500 to 2,000 lb, and rescue-rated models, plus stationary Captain models from 2,000 to 5,500 lb and the Admiral at 3,000 lb. In water and wastewater applications, Thern davit cranes handle pump and equipment lifting at treatment plants and lift stations, with corrosion-resistant options for harsh environments. The company also supplies control systems, rigging accessories, and rental services, and provides custom engineering through its in-house team with online product configuration tools.