Duff-Norton ball screw actuators provide high efficiency and high speed in one linear positioning package. More>>
	Joyce/Dayton manufactures and markets screw jacks and actuators used in numerous and varied applications and in scores of different industries throughout the world. More>>
	Nook PowerTrac� Ball Screws are manufactured with a gothic arch ball groove. More>>
	Nook ActionJac� Screw Jacks are a worm gear driven mechanical actuator with load handling capacities from 1/4 ton to 100 ton and 5kN to 200kN. More>>
	Power Jacks Group offers a wide variety of ball screws. More>>

	NSK offers maintenance-free precision and standard ball screws with high speed rigidty and lower noise output. More>>
	Rockford Ball Screw implemented a quality management system based on the ISO 9001:2000 standards to deliver the highest dependable ball screws in the industry. More>>
	THK manufactures precision ball screws and rolled ball screws for a wide range of applications where exceptional levels of precision may or may not be required. More>>
	Thomson ball screws are manufactured with over 90% efficiency with a constant low coefficient of friction for a dependable service life. More>>