Share 'Steps for distributing to supermarkets'

Hi- I would like to be a distributor in a food product that will need to be refrigerated. I have 4 questions- Sorry. 1- Is it necessary for me to add something to make it last longer- if so, what? 2- Are there companies that transport refrigerated products safely? 3- I have my packaging & labels ready to go, but I don't know what to do or where to go next. Can someone please help me? 4- Als...