None that I can think of other than perhaps the mining industry & that's mainly 'cause of circumstances.
Exactly the point why you SHOULDN"T take your own lunch.
I cannot believe that people are so naive. Most office work places have fridges, microwaves, etc where you can reheat or store food correctly. When you make your lunch at 0400 how can be sure it is in adequate condition to eat 7-8 hours later?
If Tiger have a diversion or pilot incapacitation due food poisoning, I think you will find work safe people and probably CASA (if they had any intestinal
fortitude ) will be all over them like a rash.