This document provides an overview of different types of retailers. It begins by describing the variety of U.S. retailers from street vendors to large multichannel companies. It then discusses key elements used to classify retailers such as merchandise type, variety/assortment, services, and price. Several major retailer categories are outlined in detail, including food retailers like supermarkets, supercenters, and convenience stores, as well as general merchandise retailers like department stores, discount stores, and specialty stores. Trends affecting different retailer types are also examined.