Final answer:
Geographic location, type of organization, customer size, and product usage are used to segment business markets, where companies tailor their offerings for other businesses.
Step-by-step explanation:
Variables such as geographic location, type of organization, customer size, and type of product usage are most commonly used to segment business markets. In the context of market segmentation, business markets are where transactions occur between companies, as opposed to consumer markets which involve transactions between companies and individual consumers. For instance, firms in the goods market might segment their markets based on the type of businesses they serve, customizing their products and marketing strategies to meet the specific needs of different business customers.