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What are the top 5 most profitable businesses/industries?

(Note: I don't want names of companies or corporations...i just want the business...for example the oil/gas business/industry)

Public Comments

1. medical oil/gas adult themed movies and products auto manufacturing cinema/movies
2. I don't know the five best but software has higher gross profit margins than oil by almost a factor of 2 http://finance.yahoo.com/q/co?s=MSFT There are several measure of profitability. Which one do you mean?