What does PLI stand for?

Apalik - Language symbol (ETLW)

Empresa de Transporte Aereo del Peru - ICAO designator (FAAC)

Ltd. Systems - Vancouver Stock Exchange symbol

Pacific Law Institute (SAUS)

Pali - GeoNet three-character language code (GEON)

Panarea - Lipari Islands - Seismograph station code, US Geological Survey (SEIS)

Partido Liberal Independiente - Independent Liberal Party - Nicaragua - Political party (PPW)

Partito Liberale Italiano - Italian Liberal Party - Political party (PPW)

Passenger and Immigration Lists Index - A publication

Paternal Leukocyte Immunization (ADWA)

Payload Interrogator - NASA (MCD)

Peter Laitmon, Inc. - Commercial firm

Phone Line Interface - IBM Corp.

Photo-Laboratory-Index (SAUS)

Photo Library Inc (SAUS)

Pilot Location Indicator

Plant Location International (SAUS)

P. Leiner Nutritional Products Corp. - AMEX symbol (COMM)

Polyvision Corp. - AMEX symbol (SAG)

Position Location Information - Military technology (DDF)

Power Level Indicator

Power Loss Indicator (SAUS)

Practising Law Institute (EA)

Preload Indicating

Private Line Interface

Procedural Language Interface (SAUS)

Proctolin-Like Immunoactivity - Neurobiology

Product Licensing Index (SAUS)

Professional Liability Insurance (DMAA)

Programming Language Interface - Computer science (AGLO)

Public Lands Institute (EA)

Pulsed LASER Interferometry

Pali - MARC language code - Library of Congress (LCCP)