Industry Daniel Guidotti 14 years ago IndustryThe classification denoting the business’s primary or main business activity. Usually the classification arises from the area wherein the largest portion of revenue comes in for the business.Recommended for you:Global Industry Classification Standard to Classify Different Types of Unsystemic Risk Pie Model of Capital Structure How to Build an Investment Portfolio within a Given Industry Sector Study projects global travel industry to rise 5.4% annually until 2023