Export Compliance

I am interested in knowing your products US ECCN (Export Control Compliance Number) for product our comapny already has of NCD.
The products we have and i would like the ECCNs for are:

  1. PR20-4 National Control Devices 16-Channel 8W 12V FET Solenoid Driver Valve Controller with I2C Interface|
  2. PR33-35 National Control Devices 12 channel A-D converter with cable|
  3. PR-33-17 National Control Devices USB-I2C converter|