-
miscellaneous | funnies
-
academic & science | universities
-
American Physical Society
academic & science | electronics
-
community | educational
-
Automatic Point And Shoot
miscellaneous | photography
-
computing | networking
-
medical | hospitals
-
Application Print Services
computing | general
-
Avtomat Podvodny Spetsialny
miscellaneous | unclassified
-
governmental | military
-
Action Potential Simulation
miscellaneous | unclassified
-
Adult Protective Services
community | law & legal
-
governmental | state & local
-
American Philosophical Society
business | professional organizations
-
Academic Publishing Service
business | companies & firms
-
Accelerated Promotion Scheme
governmental | police
-
governmental | military
-
business | occupation & positions
-
computing | gaming
-
Application Protection System
computing | general
-
community | sports
-
governmental | police
-
miscellaneous | aircraft & aviation
-
academic & science | electronics
-
community | schools
-
international | turkish
-
miscellaneous | unclassified
-
Adjustment Processing System
miscellaneous | usps
-
Alternate Payload Specialist
governmental | nasa
-
miscellaneous | unclassified
-
governmental | military
-
Approved Practioner Status
miscellaneous | unclassified
-
Automatic Protection Switching
computing | telecom
-
Active Positive Symbiosis
medical | physiology
-
academic & science | physics
-
Adjustment Processing System
business | accounting
-
Albuquerque Public School
miscellaneous | unclassified
-
Annapolis Performance Sailing
business | companies & firms
-
miscellaneous | unclassified
-
Anti-phospholipid Syndrome
medical | diseases
-
Advanced Propagation System
academic & science | physics
-
American Psychological Society
academic & science | psychology
-
Association For Psychological Science
miscellaneous | unclassified
-
community | media
-
Australian Public Service
regional | australian
-
computing | hardware
-
governmental | military
-
Acceleration And Pre-separation
governmental | nasa
-
miscellaneous | aircraft & aviation
-
Advanced Photographic System
miscellaneous | photography
-
Automated Planning And Scheduling
business | general
-
Advanced Production System
miscellaneous | manufacturing
-
community | schools
-
governmental | nasa
-
Amateur Pageantry Systems
business | companies & firms
-
Advanced Planning Systems
business | general
-
Advanced Positioning Sensor
governmental | nasa
-
governmental | nasa
-
Attorneys' Process Service
community | law & legal
-
American Physical Society's
miscellaneous | unclassified
-
medical | human genome
-
Attending Physician's Statement
community | law & legal
-
American Pediatric Society
business | professional organizations
-
miscellaneous | aircraft & aviation
-
Alpha Strategic (de-listed)
business | london stock exchange
-
AsociaciĆ³n Proyecto Sacatepequez
international | guatemalan
-
medical | physiology
-
Agenda Productivity Suite
computing | software
-
Association Of Planning Supervisors
business | professional organizations
-
Approved Program Sequence
business | general
-
community | law & legal
-
Agricultural Production Specialist
business | occupation & positions
-
Automated Process Scheduler
business | general
-
Association For Practical Shooting
community | non-profit organizations
-
Australian Psychological Society
community | non-profit organizations
-
governmental | transportation
-
Apartment Protected Space
community | housing
-
miscellaneous | unclassified
-
Astronomy & Planetary Science
academic & science | astronomy
-
Adapter Protein With Pleckstrin Homology And Src Homology 2 Domains
medical | human genome
-
Application Provider Services
computing | networking
-
American Philatelic Society
miscellaneous | hobbies
-
Advance Performance System
business | products
-
governmental | military
-
academic & science | chemistry
-
governmental | police
-
community | non-profit organizations
-
Atlantic Protective Services
business | companies & firms
-
Aquabio Products Sciences
business | companies & firms
-
academic & science | electronics
-
miscellaneous | unclassified
-
Afloat Pre-positioning Ship
miscellaneous | ship types
-
American Psychosomatic Society
business | professional organizations
-
Avtomat Podvodny Spetsialnyy
miscellaneous | unclassified
-
Automatic Provisioning System
governmental | military
-
academic & science | electronics
-
community | schools
-
Advanced Photographic System
computing | drivers
-
governmental | transportation
-
Administration Planning And Statistics
business | general
-
Acquisition Processor Subsystem
governmental | nasa
-
community | schools
-
Augmented Phrase Structure
academic & science
-
Alternative Portfolio Standard
business | investments
-
Attending Physician Statement
medical | healthcare
-
Authorization For Personal Services
miscellaneous | unclassified
-
academic & science | universities
-
Antennas And Propagation Society
academic & science | ieee
-
computing | networking
-
Albuquerque Public Schools
community | schools
-
governmental | military
-
computing | general
-
computing | hardware
-
Advanced Photographic System
medical | laboratory
-
academic & science | electronics
-
Anpartsselskab (danish Term For A Limited Liability Company)
business | international business
-
Advanced Planning And Scheduling
miscellaneous | manufacturing
-
Asars (advanced Synthetic Aperture Radar System) Processing Segment
governmental | military
-
Approved Provider Standard
medical | healthcare
-
miscellaneous | unclassified
-
computing | general
-
Animal Protection Services
miscellaneous | animals
-
American Physiological Society
business | professional organizations
-
governmental | nasa
-
Analytical Planning And Scheduling
business | management
-
academic & science | universities
-
Affordable Portable Services
computing | telecom
-
Institute Of Electrical And Electronic Engineers Antennas And Propagation Society
academic & science | electronics
-
governmental | transportation
-
Advanced Photographic System
community | media
-
Army Pre-positioned Stocks
governmental | military