Do you have insight into details, problems and current solutions in those 20 industries? I'm looking for validated B2B business ideas, e.g., companies in indus

Do you have insight into details, problems and current solutions in those 20 industries? I'm looking for validated B2B business ideas, e.g., companies in industry _ share problem _, this can be solved by software solution _, early adopters will be _, personal introduction can be made to _ .