Everett, WA - Location identifier - FAA (FAAL)
Paea - Society Islands - Seismograph station code, US Geological Survey (SEIS)
Paisajes Espanoles SA - Spain - ICAO designator (FAAC)
Pan America Environmental - Commercial firm
Papiamentu - Language code (ETLW)
Parachutust Adjustable Equipment Bag - Army (VNW)
Park Air Electronics Ltd. (SAUS)
Passed Assistant Engineer - British
Payload Accomodations Equipment - NASA (SSD)
Payload Attach Equipment - NASA (SSD)
Peace Arch Entertainment'B' - AMEX symbol (SPSG)
Peer Access Enforcement
Peoria & Eastern Railway - Absorbed into Consolidated Rail Corp. - AAR code
Personal Arms and Equipment - Army (ADDR)
Phase Angle Error
Photo-Anodic Engraving (PDAA)
Phthalic Acid Esters - Organic chemistry
Physical Aptitude Examination (AFM)
Pioneer Systems, Inc. - AMEX symbol (COMM)
Planning and Estimating (IAA)
Polyarylene Ether (SAUS)
Polyarylene Ethylene (SAUS)
Polyaryl Ether (SAUS)
Polyarylether - Organic chemistry
Polyaspartic Ester - Organic chemistry
Port of Aerial Embarkation - Air Force
Positive Affect Enhancement (MELL)
Post-Accident Environment - Nuclear energy (IEEE)
Postantibiotic Effect - Medicine (MELL)
Power-Added Efficiency (SAUS)
Precision Attack Enhancement (ACAE)
Preliminary Airworthiness Evaluations
Preliminary Army Evaluation (MCD)
Preventive Action Engineer (NASA)
Problem Assessment Engineer (SAUS)
Problem Assessment Engineering (NASA)
Products-Activities-End Products (SAUS)
Progress Aerospace Enterprises (SAUS)
Project Assurance Engineer (SAUS)
Projets pour une Agriculture Ecologique - Ecological Agriculture Projects - EAP - Sainte Anne De Bellevue, PQ (EAIO)
Proto-Athabaskan-Eyak - Linguistics (IEL)
Public Affairs Event (NVT)