Prelaunch Automatic Checkout Equipment 
Plant Acquisition and Construction Equ… 
Police and Criminal Evidence Act 
Precision Analog Computing Equipment 
Programming Analysis Consulting Educat… 
Particles, Atmosphere and Chemistry Ex… 
Philadelphia Automated Communication a… 
Plant and capital equipment 
plasma assisted chemical etching 
Point-Ahead Compensation Experiment 
Power and Control Electronics 
Priority Access Control Enabled 
Program For Accelerated College Educat… 
Program of All-inclusive Care for the… 
AMPACE CORP. 
Pace Airlines 
Pacific Agricultural Cooperative for E… 
Pacific Alternate Command Element 
Pacific Atmospheric Chemistry Experime… 
Pacing and Clinical Electrophysiology 
Packaged CRAM Executive 
paired basic amino acid cleaving enzym… 
paired basic amino acid converting enz… 
Palm Application Compatibility Environ… 
Pan-African Campaign of Epizootics 
Parental Alliance for Choice in Educat… 
Parents and Community in Education 
Parliamentary Assembly of the Council… 
Partnership for Academic and Community… 
Passive Attitude Control Experiment