Profile: ZSI, Inc. is a manufacturer of cushioned clamping and support systems. Our brands include Cush-A-Clamp™, Cush-A-Grip™, Porce-A-Clamp™, Alpha Series U-Bolt™, Omega Series™, Beta Series™ and Python II™. Our channel mounted clamping systems are ideal for multiple line runs. Our strutdown variable clamps are suitable for securing tubing, copper, PEX, CPVC and gas tubing directly to Z-strut channel.