| Pacific Disaster Center | Academic & Science |
| Palm Desert Campus | Academic & Science |
| Provisional Degree Certificate | Academic & Science |
| Pyridinium Dichromate | Academic & Science |
| Pulsed Direct Current | Academic & Science |
| Mueo | Airport Code |
| Post Dated Cheque | Banking |
| Pressure Dynamic Consultants | Business |
| Printing.com | Business |
| Public Dividend Capital | Business |
| Post-Dated Check | Business |
| Precision Dynamics Corporation | Business |
| Peoria Disposal Company | Business |
| Professional Darts Corporation | Business |
| Professional Development Center | Business |
| Premier Dealer Code | Business |
| Parts Distributing Company | Business |
| Priority Dispatch Corporation | Business |
| Personnel Development Committee | Business |
| Permaculture Design Certificate | Business |
| Product Development Center | Business |
| Pretty Darn Confusing | Chemistry |
| Public Display of Courage | Community |
| Partnership Development Committee | Community |
| Professional Developers Conference | Community |
| Portland Development Commission | Community |
| Participatory Design Conference | Community |
| Personal Development Coaching | Community |
| Philadelphia Dramatists Center | Community |
| Professional Development Conference | Community |
| Purpose Driven Church | Community |
| Partner Development Center | Community |
| Parish Development Committee | Community |
| People Donating to Charity | Community |
| Professional Development Centre | Community |
| Professional Development Consortium | Community |
| Personnel Development Committees | Community |
| Product Development Centers | Community |
| Professional Development College | Community |
| Painted Dog Conservation | Community |
| Professional Development Councils | Community |
| Product development canvas | Community |
| Process Development Center | Community |
| Professional Development Committee | Community |
| Personal Development and Citizenship | Community |
| Project Development Committee | Community |
| Park Distance Control | Community |
| Personal Digital Cellular | Computer and Networking |
| Processor Dependent Code | Computer Assembly Language |
| Printer Driver Communication | Computing |
| Parametric Down Converter | Computing |
| Personally Designed Computer | Computing |
| Processing Data Center | Computing |
| Packet Data Channel | Computing |
| Production Digital Colour | Computing |
| Primary Digital Carrier | Computing |
| Physics Data Challenge | Computing |
| Protected Data Cloud | Computing |
| Peripheral DMA Controller | Computing |
| Production Data Collection | Computing |
| Personally Developed Contact | Contact |
| Passive Data Collection | Electronics |
| A Parametric Down Converter | General |
| The Poo Dog Clan | General |
| Prairie Du Chien | General |
| Primitive Domain Concepts | General |
| Pretty Damn Cool | General |
| Planning, Design and Compliance Consultants | General |
| Performance Distribution Centre | General |
| Pacific Design Center | General |
| Pre-Departure Clearance | General |
| Pil Dem Crew | General |
| Pole Dance Choreography | General |
| Pheonix Dragon Clan | General |
| Parametric Down Conversion | General |
| Polycrystalline Diamond Compact | General |
| Paul D Camp | General |
| Purina Dog Chow | General |
| Portfolio Decarbonization Coalition | General |
| Partido del Carajo | General |
| Plasmacytoid Dendritic Cells | General |
| Pierre de Coubertin | General |
| Present Day Cost | General |
| Permaculture Design Course | General |
| Post Dinner Conversation | General |
| Post Dated Cheques | General |
| Personnel Dispatch Centre | General |
| Plasmacytoid Dendritic Cell | General |
| Parts Distributions of Customers | General |
| Peugeot Design Contest | General |
| Preview Distance Control | General |
| Performance Drivers Club | General |
| Performance Driving Course | General |
| Performance Driving Center | General |
| Pull Drift Compensation | General |
| Pirelli Drivers Cup | General |
| Permis De Conduire | General |
| Piloted Driving Concept | General |
| Pedestrian Direction Condition | General |
| Professional Drift Championship | General |
| Porsche Driving Center | General |
| Pneumatic Damping Control | General |
| Porsche Diesel Club | General |
| Porsche Driver Challenge | General |
| Prototype Development Centre | General |
| Proactive Damping Control | General |
| Perth Datsun Club | General |
| Practical Driving Course | General |
| Professional Developers Convention | General |
| Personal Discovery Coaching | General |
| Pune Delivery Center | General |
| Pad Damage Calculator | General |
| Phasor Data Concentrator | General |
| Public Disclosure Commission | Governmental |
| Power Distribution Center | Governmental |
| Personnel Despatch Centre | Governmental |
| People for Democratic Change | Governmental |
| Port of Duqm Company (Duqm, Oman) | Governmental |
| Pacte Democratic per Catalunya | Governmental |
| Partido Demócrata Cristiano | Governmental |
| Point Defense Cannon | Governmental |
| Parti Démocrate-Chrétien | Governmental |
| Public Debt Crisis | Governmental |
| Phewl Dot Com | Internet |
| Partial Directed Coherence | Maths |
| Pancreatic Ductal Carcinoma | Medical |
| Parkinsonism-Dementia Complex | Medical |
| Paroxysmal Dystonic Choreoathetosis | Medical |
| Poorly Differentiated Carcinoma | Medical |
| Private Diagnostic Clinic | Medical |
| Palliative Drug Care | Medical |
| Physician Data Center | Medical |
| Pediatric Device Consortia | Medical |
| Pyruvate Dehydrogenase Complex | Medical |
| Plastic surgery dressing clinic | Medical |
| Phosducin | Medical |
| Pyruvate Decarboxylase | Medical |
| Parts Distribution Center | Messaging |
| Plugin Delay Compensation | Networking |
| Programme Delivery Control | Networking |
| Primary Domain Controller | Networking |
| Pointer To Device Context | Networking |
| Pulsating Direct Current | Physics Related |
| Mueo, New Caledonia | Regional |
| Prairie Du Chien, Wisconsin | Regional |
| People's Defence Committee | Regional |
| Program Delivery Control | Softwares |
| Problem Domain Component | Softwares |
| Process Dependent Code | Softwares |
| Planetary Data Center | Space Science |
| Predefined Command | Space Science |
| Procurement Document Change | Space Science |
| Player Development Contract | Sports |
| Philip Derek Champion | Sports |
| Personal Digital Communications | Telecommunication |
| Mueo Airport | Transport & Travel |
