There are 5 ways to segment business markets: 1) Demographic variables like industry type, company size, and location. 2) Operating variables such as technology, customer capabilities, and user/non-user status. 3) Purchasing approaches based on power structure, criteria, policies, and relationship nature. 4) Situational factors like urgency, specific application, and order size. 5) Personal characteristics including buyer-seller similarity, loyalty, and risk attitude.