| Photoactivated Adenylyl Cyclase | Academic & Science |
| Palo Alto College's | Academic & Science |
| Potentiometric Analysis Collection | Academic & Science |
| Prince Alfred College | Academic & Science |
| Patron Access Catalog | Academic & Science |
| Polynuclear Aromatic Compounds | Academic & Science |
| Paint Alternative Competition | Academic & Science |
| Personal Account Code | Accounts and Finance |
| Professional Accounting Certificate | Accounts and Finance |
| Pre-authorized Chequing | Accounts and Finance |
| Pre-authorized Check | Accounts and Finance |
| Panama City | Airport Code |
| Political Affairs Committee | Banking |
| Preferred Access Connection | Business |
| Pre-Authorised Chequing | Business |
| Penske Auto Centers | Business |
| Phillips, Alexander, and Clemens | Business |
| Performance Advantage Company | Business |
| Project Area Committee | Business |
| Planning And Coordination | Business |
| Planned Amortization Class | Business |
| Panasonic Avionics Corporation | Business |
| Pacific Assets | Business |
| Preliminary Acceptance | Business |
| Privilege Attribute Certificate | Business |
| Preliminary Acceptance Certifcate | Business |
| Professional Activity Committee | Business |
| Pressurized Air Cooled | Business |
| Polycyclic Aromatic Content | Chemistry |
| Pharmaceutically Active Compound | Chemistry |
| Powdered Activated Carbon | Chemistry |
| Professional Activities Committee | Community |
| Primary Activity Centre | Community |
| Parkside Association of Communicators | Community |
| Public Advisory Committee | Community |
| Principal And Community | Community |
| IEEE Particle Accelerator Conference | Community |
| Presidents Athletic Conference | Community |
| Preservation and Conservation | Community |
| Parent Advisory Council | Community |
| Positive Action Center | Community |
| Pre-Authorized Contribution | Community |
| Parents Advisory Council | Community |
| Passion, Adventure, and Camaraderie | Community |
| Parent Advisory Committee | Community |
| Pro Active Chair | Community |
| Preparatory Accelerated Course | Community |
| Public Advocacy Coalition | Community |
| Plein Air Curacao | Community |
| Parental Advisory Committee | Community |
| Paforming Arts Center | Community |
| Positively Active Christian | Community |
| Parish Activities Committee | Community |
| Prayer At Crossroads | Community |
| Panania Anglican Church | Community |
| Passion, Action, and Commitment | Community |
| Park Avenue Christian Church | Community |
| Parish Action Committee | Community |
| Prayers Are Cool | Community |
| Parish Activity Center | Community |
| Passing All Classes | Community |
| Public Access Channel | Community |
| Performing Arts Center | Community |
| Peoria Animation Club | Community |
| Prairie Arts Council | Community |
| Program Advisory Committee | Computer and Networking |
| Precision Air Conditioning | Computer Hardware |
| Physically Addressed Cache | Computer Hardware |
| Power Accurate Capacitor | Computing |
| Pci Agp Controller | Computing |
| Pin Array Cartridge | Computing |
| Probably Almost Correct | Computing |
| Personal Access Code | Computing |
| Pptp Access Concentrator | Computing |
| P-Touch Applicable Component | Computing |
| Parallel Access Circuit | Computing |
| Penny Arcade Cult | Computing |
| Pana Amusement Cartridge | Computing |
| Perceptual Audio Coding | Computing |
| Pointer Authentication Code | Computing |
| Printer Access Control | Computing |
| Programmable Automation Controller | Computing |
| Product Access Control | Computing |
| Portal Administration Console | Computing |
| Platform Applicable Client | Computing |
| Point And Click | Computing |
| Privilege Access Certificate | Computing |
| PAC Protocol | Cryptocurrency |
| Palo Alto College | Educational Institute |
| Perceptual Audio Coder | Electronics |
| Predictive Application Control | Electronics |
| Atari Stad Image Bitmap Graphics File | File Type |
| Sbstudio Ii Package Or Song | File Type |
| Provincial Advisory Committee | General |
| Premier Athletic Conference | General |
| Pretty Awful Comedy | General |
| People Animal Connection | General |
| Progressive Activity Coupe | General |
| Pontiac Assembly Center | General |
| Porsche Asian Challenge | General |
| Process And Control | General |
| Park Assist Camera | General |
| Privolzhskiy Automobile Cluster | General |
| Parents Are Coming | General |
| port A cath | General |
| Port Authorisation Code | General |
| Puebla Auto Club | General |
| Project Automotive Commuter | General |
| Peugeot Association of Canberra | General |
| Packard Automobile Classics | General |
| Photomic Art Concepts | General |
| Packard Automobile Club | General |
| Positive Action and Commitment | General |
| Paddock Auto Club | General |
| Proxy Auto Config | General |
| Pure Air Climatronic | General |
| Phoenix Afterschool Center | General |
| Porsche Advanced Cockpit | General |
| Phoenix Aftershool Center | General |
| Pionier Automobielen Club | General |
| Prohibited Alcohol Concentration | General |
| Personal Accident or Cargo Insurance | General |
| Pre Authorized Collection | General |
| Paris Auto Club | General |
| Pay At Consumption | General |
| Parking Camera | General |
| and Copy | General |
| Predict Automate and Classify | General |
| Premature Atrial Contractions | General |
| Professional Attire Collection | General |
| Purchasing and Accounts | General |
| Program And Control | General |
| Pan American Congress | General |
| Pierre Audoin Consultants | General |
| Platform Application Center | General |
| Public Affairs Council | Governmental |
| Public Accounts Committee | Governmental |
| Public Affairs Committee | Governmental |
| Post-Approval Change | Governmental |
| Program Assignment Code | Governmental |
| Private Analytical Certificate date | Governmental |
| Pacific Region | Governmental |
| Parole Alternative Corrections | Governmental |
| Prison Action Committee | Governmental |
| Pasadena Advisory Committee | Governmental |
| Poliical Adjudication Commission | Governmental |
| Politically Active Constituency | Governmental |
| Provincial Armed Constabulary | Governmental |
| Progressive Alliance Coalition | Governmental |
| Peace Action Council | Governmental |
| People Against Capitalism | Governmental |
| People Against Capital | Governmental |
| Parliamentary Accounts Commission | Governmental |
| Public Awareness Campaign | Governmental |
| Progressive Action Congress | Governmental |
| Political Action Committees | Governmental |
| PALIYARD ROAD | Indian Railway Station |
| Pol?ica Agraria Com? | International |
| Patrullas de Autodefensa Civil | International |
| Política Agraria Común | International |
| Pokemon Adoption Center | Internet |
| Physician Assistant - Certified | Jobs |
| Probably Approximately Correct | Maths |
| Papular acro- dermatitis | Medical |
| P1 Artificial Chromosome | Medical |
| Pet Advisory Committee (formerly JACOPIS) | Medical |
| Physician's Assistant Committee | Medical |
| Post-Acute Care | Medical |
| Post Anaesthesia Care | Medical |
| Plasma Aldosterone Concentration | Medical |
| Primary Auditory Cortex | Medical |
| Product of Ambulatory Care | Medical |
| Pulmonary adenocarcinoma | Medical |
| Pulmonary Artery Catheterization | Medical |
| Picture Archiving and Communication | Medical |
| pancreatic adenocarcinoma | Medical |
| Pre-operative Assessment Clinic | Medical |
| Primary Angle Closure | Medical |
| prostate adenocarcinoma | Medical |
| Pulmonary Artery Catheter | Medical |
| Pre-assessment Checklist | Medical |
| Partners Against Cancer | Medical |
| Premature Atrial Contraction | Medical |
| Provisional Acceptance Certificate | Messaging |
| Perfect Authentic Cadence | Military and Defence |
| Personnel and Administration Center | Military and Defence |
| Patriot Advanced Capability | Military and Defence |
| Pacific | Military and Defence |
| Pakistan Aeronautical Complex | Military and Defence |
| Political Action Committee | Military and Defence |
| Project Advisory Committee | Military and Defence |
| Port Authorization Code | Networking |
| Proxy Auto Configuration | Networking |
| Public Access Catalog | Networking |
| Presentation Abstraction Control | Networking |
| Political Advisory Committee | Regional |
| Pan-Africanist Congress | Regional |
| Pan African Club | Regional |
| Paitilla, Panama | Regional |
| Process Algebra Compiler | Softwares |
| Pressure Alpha Center | Space Science |
| Probe Aerodynamic Center | Space Science |
| Problem Action Center | Space Science |
| Principal Advisory Committee | Space Science |
| Pacific Atlantic Cycling | Sports |
| Cibc Pan Am / Parapan Am Aquatics Centre and Field House | Sports |
| Pacific Athletic Conference | Sports |
| Post Activated Carbon | Technology |
| Plasma Arc Cutting | Technology |
| Porting Authorisation Code | Technology |
| Predict Application Control | Telecommunication |
| Marcos A. Gelabert International Airport | Transport & Travel |
| Police Accountability Commission | Tripura Government |