Norcross was the first company to manufacture a process viscometer in the United States. For more than 60 years Norcross has been providing viscosity measurement and control expertise from the simplest of measuring cups t......Norcross was the first company to manufacture a process viscometer in the United States. For more than 60 years Norcross has been providing viscosity measurement and control expertise from the simplest of measuring cups to single loop controllers and computer controlled systems that provide complete process control. No company is more experienced in process viscosity control than Norcross. From simple Shell cups to powerful PLC-based viscosity control systems, Norcross can determine the correct control for your particular application.