BPI

The letters BPI can be used in several ways:

Baltimore Polytechnic Institute is a public high school in Maryland.
Banca Popolare Italiana is an Italian bank.
Banco Português de Investimento is an Portuguese bank.
Bank of the Philippine Islands is the oldest bank in the Philippines.
Bits-per-inch or Bytes-per-inch is a standard of measurement for magnetic tape data storage devices (the number of bits / bytes stored for every inch of tape).
In mathematics, the Boolean prime ideal theorem is a (strictly weaker) consequence of the axiom of choice.
BPI News is a magazine published by Archant.
Bridge Publications, Inc. is the Church of Scientology's internal publishing division.
British Phonographic Industry is a record industry trade association.
Business Process Improvement is a method of improving business processes.
Business process interoperability is a state that exists when a business process can meet a specific objective automatically utilizing essential human labor only.