GA Series Single Stage, Oil Injected rotary screw air compressors (7.5 to 390 hp)		GR Series 2-Stage, Oil Injected rotary screw air compressors (150 to 250 hp)
	ZR Series 2-Stage, Oil Free, Watercooled rotary screw air compressors (40 to 350 hp)		GX Series Single stage, Oil Injected rotary screw air compressors (3 to 50 hp)
	ZT Series 2-Stage, Oil Free, Aircooled rotary screw air compressors (20 to 350 hp)		SF Series Oil Free Scroll air compressors (2 to 20 hp)