| Portsmouth Christian Academy | Academic & Science |
| Pacific Coast Academy | Academic & Science |
| Professional Computer Association of Lebanon | Academic & Science |
| Priority Collection Action | Accounts and Finance |
| Portage Creek (ak) | Airport Code |
| Prompt Corrective Action | Banking |
| Partnership and Cooperation Agreement | Business |
| Production Code Administration | Business |
| Palace Capital | Business |
| Performance Consulting Associates | Business |
| Painting Contractors Association | Business |
| Phone Card of America | Business |
| Professional Communication Association | Business |
| Plumbing Contractors of America | Business |
| Philadelphia Corporation For Aging | Business |
| Practitioner Certified Assitant | Certifications |
| Pyrrolidone Carboxylic Acid | Chemistry |
| Publication Consistency Assumption | Community |
| Phoenix Community Alliance | Community |
| Prestonwood Christian Academy | Community |
| Providence Christian Academy | Community |
| Prescott Center for the Arts | Community |
| Pennsylvania Chiropractic Association | Community |
| Pine Chemicals Association | Community |
| Professional Cowboy Association | Community |
| Premium Cigar Association | Community |
| Presbyterian Church in America……new | Community |
| Primary Care Associations | Community |
| Paris College of Art | Community |
| Physical Culture Association | Community |
| Pittsburgh Center for the Arts | Community |
| Popular Culture Association | Community |
| Porsche Club of America | Community |
| Promotion Committee Of Armageddon | Community |
| Presbyterian Church in America | Community |
| Petaluma Community Access | Community |
| Poodle Club of America | Community |
| Parish Center for the Arts | Community |
| Portland Cement Association | Community |
| Poodles Club of America | Community |
| Password Call Acceptance | Computer and Networking |
| Policy Group proposal on CA | Computer and Networking |
| Programmable Counter Array | Computer Assembly Language |
| Power Controller Assembly | Computing |
| Principle Component Analysis | Computing |
| Performance and Coverage Analyzer | Computing |
| Personal Internet Client Architecture | Computing |
| Page Control Area | Computing |
| Protection Channel Access | Computing |
| Pc Answers | Computing |
| Private Cloud Appliance | Computing |
| Parallel Channel Adapter | Computing |
| Personal Communications Attendant | Computing |
| Policy Certification Authority | Computing |
| Program Compatibility Assistant | Computing |
| Probabilistic Cellular Automata | Computing |
| Police Complaints Authority | Delhi Government |
| Printed Circuit Assembly | Electronics |
| Processor Controlled Amplitude | Electronics |
| Posterior Cortical Atrophy | General |
| Principal Component | General |
| Purchasing Cooperative of America | General |
| Progenitor Cell Activation | General |
| Personal Customer Agent | General |
| Power Calibration Area | General |
| Post Construction Availability | General |
| Patch Check Advanced | General |
| Prellwitz Chilinski Associates | General |
| Principal Components Analysis | General |
| Permanent Change of Assignment | General |
| Per Curiam Affirmed | General |
| Pacific Commercial Advertiser | General |
| Pro Camera Accessories | General |
| PokerStars Caribbean Adventure | General |
| Pennsylvania Current Area | General |
| Porsche Cars Australia | General |
| Peugeot Citroen Automobile | General |
| Polymer Coated Aramid | General |
| Peugeot Citroen Argentina | General |
| Personal Care Account | General |
| Pre Crash Algorithm | General |
| Physical Configuration Audits | General |
| Proton Cars Australia | General |
| Pre Crash Actions | General |
| Perception Cognition and Action | General |
| Peugeot Connect Assistance | General |
| Peugeot Connect Apps | General |
| Principa components Analysis | General |
| Pajero Club Azerbaijan | General |
| Primary Care Associates | General |
| Philadelphia Corvair Association | General |
| Program Commit Agreement | General |
| Pre Crash Alert | General |
| Pre Collision Assist | General |
| Driving with a Prescribed Concentration of Alcohol | General |
| Peugeot Citroen Australia | General |
| Pierre Cardin Auto | General |
| Parking Collision Avoidance Assist | General |
| Periodic Commuting Arrangement | General |
| Porsche Centre Ahmedabad | General |
| Pressure Compensating Aerator | General |
| Performance Coach Award | General |
| Primary Correlation Analysis | General |
| Power Cost Adjustment | General |
| Professional Chess Association | General |
| Partial Clarity Analysis | General |
| Pastoral Care Area | General |
| Pony Club Association | General |
| Propulsion Controlled Aircraft | General |
| Program Cost Account | General |
| The Plane Continuum Approximation | General |
| Patient Controlled Analgesic | General |
| Polymer Cased Ammunition | General |
| Patient Controlled Anaesthesia | General |
| Pyloric Carcinoma And | General |
| Presumptuous Calculated Assumptions | General |
| Pluggable Composite Adapter | General |
| Physical (Product) Configuration Audit | General |
| Prescribed Concentration of Alcohol | General |
| Pen Collectors of America | General |
| Patient Care Assistant | General |
| Power Cost Adjustments | General |
| People's Choice Awards | General |
| Personal Care Assistance | General |
| Panama Canal Authority | Governmental |
| Physicians Care Alliance | Governmental |
| Permanent Court of Arbitration | Governmental |
| Public Contracts Act | Governmental |
| PA Council on the Arts | Governmental |
| Pedestrian Crosswalk Ahead | Governmental |
| Positive Control Airspace | Governmental |
| Partido Comunista Andaluz | Governmental |
| Partido Comunista de Aragón | Governmental |
| Partido Comunista de Asturias | Governmental |
| Per Capita Apportionment | Governmental |
| Pro-Children Act of 1994 (PL 103-227) | Governmental |
| Positive Coaching Alliance | Governmental |
| Pennsylvania Council on the Arts | Governmental |
| Pollution Control Agency | Governmental |
| Proyectos Comunitarios Abaj | International |
| Physician Care Assistant | Jobs |
| Personal Care Assistant | Jobs |
| Personal Care Aide | Jobs |
| Personal Care Associate | Jobs |
| Pest Control Advisor | Jobs |
| Personal Care Attendant | Jobs |
| Principal Component Analysis | Maths |
| pancreatic cancer | Medical |
| Parietal Cell Antibody | Medical |
| Patient Choice Advisor | Medical |
| Percutaneous Carotid Arteriogram | Medical |
| Peripheral Circulatory Assist | Medical |
| Posterior Cerebral Artery | Medical |
| Posterior Communication Artery | Medical |
| Postcoronary [Cardiac] Arrest | Medical |
| Patient Controlled Analgesia | Medical |
| Post Conceptual Age | Medical |
| Patient Controlled Anesthesia | Medical |
| Posterior Crico Aritenoid | Medical |
| Prostate Cancer Archive | Medical |
| Primary Care Association | Medical |
| Project Co-operation Agreement | Messaging |
| Posse Comitatus Act | Military and Defence |
| Personal Combat Armor | Military and Defence |
| Penetrator Core Ammunition | Military and Defence |
| Powered Combat Armor | Military and Defence |
| Protected Cropping Australia | Regional |
| Portage Creek, Alaska USA | Regional |
| Physical Configuration Audit | Softwares |
| Payload Clamp Assembly | Space Science |
| Pitch Control Assembly | Space Science |
| Pneumatic Control Assembly | Space Science |
| Point of Closest Approach | Space Science |
| Power Control Assembly | Space Science |
| Primer Carrier Assembly | Space Science |
| Primer Chamber Assembly | Space Science |
| Pyrotechnic Carrier Assembly | Space Science |
| Pitch Change Axis | Space Science |
| Protective Connecting Arrangement | Telecommunication |
