As I am trying to sell offline marketing services to local business, I am now trying to make a list of all the local local businesses in my area so that I can sell my offline marketing services to them. It's taking so time to build a list manually, any ideas on How to build this list quickly having all the necessary information? Can I buy any kind of services to get all the list of my local business easily? Please share your opinions and tips guys.

Any kind of help is appreciated significantly!