accumulate manufactured products and sell them to final customers (p. 218)

Companies that resell books to the public at or near the retail price. Retailers are generally bookstores, but include any store or organization that sells books. Libraries are also considered retailers in this regard.

sell directly to the consumers.

An electric service provider (i.e., aggregators, brokers, and marketers) who enters into a direct access transaction with an end-use customer.