| Rank | Abbreviation | Meaning |
|---|
| ***** | BPSI | Bits per Square Inch
| |
| **** | BPSI | Business Protection Systems International
| |
| **** | BPSI | Blue Pumpkin Software, Inc.
| |
| ** | BPSI | Business Processing Services, Inc.
| |
| * | BPSI | Bath Petroleum Storage Inc
| |
| * | BPSI | Behaviors from Past Self Identities
| |
| * | BPSI | Beverage Packaging Specialist Inc
| |
| * | BPSI | Bond Pencak Silat Indonesia
| |
| * | BPSI | Bell Petroleum Services, Inc.
| |
| * | BPSI | Biotechnology Parks Society of India
| |
| * | BPSI | Bechtel Property Services Inc
| |
| * | BPSI | Banca Di Sondrio (Milan Stock Exchange [MLSE])
| |
| * | BPSI | Business Products Services Inc
| |
| * | BPSI | Babcock Power Services Inc.
| |
| * | BPSI | Boston Psychoanalytic Society and Institute
| |
| * | BPSI | Building Plant Safety Institute
| |
| * | BPSI | Bacterial Protein Synthesis Inhibitor
| |
| * | BPSI | Burning Plasma Simulation Initiative
| |
| * | BPSI | Brand Preventie Service Instituut
| |
| * | BPSI | Badan Pengembangan Sistem Informasi
| |