Pay Actual Computer Time 
Pediatric Advanced Cardiac Therapies 
Palo Alto Collaborative Testbed 
Production Analysis Control Technique 
Programmed Analysis Computer Transfer 
Programmed Automatic Circuit Tester 
PBX And Computer Testing 
Plasma Arc Centrifugal Treatment 
Powdered Activated Carbon Treatment 
process automation configuration tool 
Program for Assertive Community Treatm… 
Programmable Acquisition and Control T… 
Public Access Cordless Telephony 
PacificNet Inc. 
PACIFICNET.COM INC. 
Paleoecological Analysis of Circumpola… 
Palo Alto Collaboration Testbed 
Panic Attack Care-Seeking Threshold 
papillary carcinoma of thyroid 
Parallel Architecture and Compilation… 
Parent and Childhood Training 
Parent and Children Together 
Parents Against CTC 
Parents, Children and Teachers 
Partial Aircrew Coordination Trainer 
partners in augmentative communication… 
PARTNERSHIP AGAINST CAR THEFT 
Partnership in Advanced Computing Tech… 
PAved Concrete Track 
Personal Air Communication Technology