There are currently a total of (1) companies in this list.
Helac Corporation
Helac Corporation manufactures helical hydraulic rotary actuators and construction equipment attachments for agriculture, construction, aerial workplatforms, energy, marine, material handling, military, mining, truck trailer and refuse / recycling.
Manufacturers site:
Note: Some of the companies listed in this Washington Machinery Directory may also own/manufacture/raise/produce them in other states and countries as well. Many businesses alter their brand names, practices and designs with little or no notice, so if there are still questions that remain, we suggest contacting the manufacturer directly.