What does pls stand for?

Isoelectric Point (STED)

Plates (DIAR)

Page Layout System - Graphic arts (DGA)

Palio Air Service - Italy - ICAO designator (FAAC)

Palletized Loading System

Palletized Load System - Army

Palletized Load System - Automotive engineering

Palomar-Leiden Survey

Papillon-Lefevre Syndrome - Medicine (DMAA)

Paracelsus Healthcare Corp. - NYSE symbol (SAG)

Parcels (MSA)

Parent Locator Service - A service of the Office of Child Support Enforcement (OCSE) (PAZ)

Parsons Language Sample

Partial Least Squares

Parti Liberal Suisse - Liberal Party of Switzerland - Political party (PPE)

Patrol Locator System - Army

Payload Systems - NASA (MCD)

Peerless Tube Co. - AMEX symbol (SPSG)

Peninsula Library System - Belmont, CA - Library network

People's Law School - Defunct (EA)

Peralto Resources Corp. - Vancouver Stock Exchange symbol

Periodic Log System

Personal Learning System (VLIE)

Personal Library Software - Commercial firm

Personal Library Systems (SAUS)

Personal Locator System (ACAE)

Personnel Locator System - Military technology (DDF)

Physical Layer Signaling (SAUS)

Physical Layer Signalling (VLIE)

PhysicaL Signaling

Physical Signalling (NITA)

Picture Line Standard (ELAL)

Pioneer Library System - New York

Pitch Limit Switch

Plaisance - Mauritius - Geomagnetic observatory code

Plasma Light Source

Plasma Spectrometer (ACAE)

Plasma Subsystem (ACAE)

Plastic Surgery (MELL)

Plates - Classical studies (OCD)

Please (AFM)

Plugging Switch (IEEE)

Plus Ultra - NCIC firearms make code (NCIC)

Pneumatic Limit Switch

Point of Last Scrimmage - Football

Polson, MT - Location identifier - FAA (FAAL)

Polynomial Solution (IAA)

Polystyrene Latex Sphere

Popular Low-Power Schottky - Electronics (MCD)

Portable Laboratory Salinometer

Position Location System - Army

Positive Locking System (SAUS)

Positive Lubrication System (SAUS)

Positron Lifetime Spectroscopy (SAUS)

Post Landing and Safing - NASA (NASA)

Postsecondary Longitudinal Studies Program - Department of Education (GFGA)

Precautions, Limitations, and Setpoints - Nuclear energy (NRCH)

Pre Launch Survivability (ACAE)

Pre-Launch Survivability (SAUS)

Preliminary Landing Site (NASA)

Preliminary Location Summary (VLIE)

Pre-mobilization Legal Services - Military technology (DDF)

Preschool Language Scale - Child development test

President of the Linnaean Society - British

Primary Landing Site (MCD)

Primary Lateral Sclerosis - Medicine (DMAA)

Primary Link Station (VLIE)

Principles and Practice of Land Surveying (SAUS)

Private Line Service

Product Line Simulator

Professional Land Surveyor (SAUS)

Professional Legal Secretary - National Association of Legal Secretaries - Designation awarded by

Profit-and-Loss-Sharing Account - Banking (IMH)

Program Liaison Staff (COE)

Programmable Limit Switch (SAUS)

Programmable Logic Sequence (SAUS)

Programmable Logic Sequencer - Computer science

Programming Language for System - Computer science (IAA)

Progressive Learning Systems - Potomac, MD (TSSD)

Projectile Location System (SAUS)

Projection of Latent Structures (AAEL)

Propellant Loading Sequencer (AAG)

Propellant Loading System

Prostaglandin-Like Substance - Biochemistry (MAE)

Providenciales - British West Indies - Airport symbol (OAG)

Provincial Land Surveyor (SAUS)

Public Library of Science

Publishers Licensing Society (DGA)

Pulse (MSA)

Pulsed LASER System

Pulsed Light Source

Pulser (SAUS)

Pure Live Seed (SAUS)

Purnell Library Service - Commercial firm

San Marcos Tlalcoyalco Popoloca - Language code (ETLW)