A group of individuals or organizations for whom a firm develops and maintains a marketing mix suitable for the specific needs and preferences of that group is:

The answer to this question is the target market. A target market is a particular group of individuals or an organization which the business or the company will sell their products and services. Target markets are also the people that will buy or use your products and services. In target markets it allows the company or business to focus on the brand message that they will relay to their specific customers and to attract also potential customers.