- Pages Per Minute , a measure of speed often used to market printers or photocopiers
- Parry People Movers , a British company manufacturing lightweight railbuses
- Parts Per Million , a measure of concentration; a statistical quality measure of outgoing product quality
- Pay Per Impression , one way that advertising campaigns can be structured
- Peak Programme Meter , a type of audio level meter, called peak meter
- Perl Package Manager , a packaging system for distributing precompiled modules for use with the Activestate binary distribution of the Perl programming language
- Peter, Paul And Mary , a folk music group of the 1960's
- Personal Participatory Media , subjective social media derived from collaborative participation
- Permanent Pacemaker or artificial pacemaker
- Persistent Pupillary Membrane , a condition in the eye
- Polypropylene Mesh , material used in some loudspeaker cones
- Portable People Meter , created by Arbitron to measure radio broadcast audiences
- Portable Pixmap , a graphics file format
- Prediction By Partial Matching , a compression algorithm used in computer science
- Private Placement Memorandum, a form of Prospectus (finance) used in connection with Corporate Finance
- Proton Precession Magnetometer
- Probabilistic Packet Marking , an IP Traceback method
- Product Portfolio Management
- Project Portfolio Management , management of a set of projects as a single portfolio
- Pulse-position Modulation , a form of data transmission
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