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Publishers Clearing House. Publishers Clearing House (PCH) is a direct marketing company that markets merchandise and magazine subscriptions with sweepstakes, and prize-based games. Publishers Clearing House was founded in 1953 by Harold Mertz to replace door-to-door magazine subscription sales by a single vendor offering multiple subscriptions by mail.
Automated Clearing House (also referred to as ACH) is the network that processes electronic financial transactions in the United States. This contains large volumes of credit and debit transactions in batches from a variety of different types of organizations and businesses.utomated Clearing House (also referred to as ACH) is the network that processes electronic financial transactions in the United States. This contains large volumes of credit and debit transactions in batches from a variety of different types of organizations and businesses.