When you click on TEXAS you will then select 'GENERAL LINES AGENT" then "LIFE, ACCIDENT, HEALTH, AND HMO"
You do not need any sponsoring agent or agency.
There is a place to enter your National Producer Number (NPN). If this is your first license, you don't have one yet - so skip it. If you already have a P&C License, then you have an NPN and can enter it.