| Ampersand | Academic & Science |
| Ampanihy | Airport Code |
| After Midnight Project | Arts |
| Adventures in Motion Pictures | Arts |
| Anjaman Mozareen Punjab | Associations & Organizations |
| Area Maximum Pump | Business |
| Advanced Media Productions | Business |
| Advertising, Marketing, and Promotion | Business |
| Analysis, Metrics, and Performance | Business |
| Ameriprise Financial | Business |
| Acquisition Management and Protection | Business |
| Australian Mutual Provident | Business |
| Aaron Matthews Productions | Business |
| Aetna Management Process | Business |
| American Manufacturing & Packaging | Business |
| Aircraft Marine Products | Business |
| A Methodical Plan | Business |
| Artist Marketing Platform | Business |
| Ad-Media Promotions | Business |
| Applied Measurement Professionals | Business |
| A Music Place | Business |
| Amphion | Business |
| AMP Ltd | Business |
| Acquisition Management Plan | Business |
| Asset Management Plan | Business |
| Asphalt Mixing Plant | Business |
| Accredited Mortgage Professional (see also CAAMP) | Business |
| Average Manufacturer's Price | Business |
| Advanced Management Program | Business Management |
| Accessibility Management Platform | Business Management |
| Adenosine Monophosphate | Chemistry |
| Association of Media Producers | Community |
| Activity Motivation Program | Community |
| Amiga Music Preservation | Community |
| Audio Media Productions | Community |
| Action Morality Plan | Community |
| Action Movie Pagoda | Community |
| Acoustic Metal Punk | Community |
| All Media Pass | Community |
| Alternative Music Pub | Community |
| Alliance for Minority Participation | Community |
| Austin Music People | Community |
| Association of Music Producers | Community |
| Arkansas Music Pavillion | Community |
| Association for Molecular Pathology | Community |
| Association for Maintenance Professionals | Community |
| Arkansas Music Pavilion | Community |
| Apache, MySQL/MariaDB, Perl/PHP/Python | Computing |
| Automated Modular Platform | Computing |
| Adobe Arbitrary Map | Computing |
| Analogy Memory Processor | Computing |
| Advanced Music Processor | Computing |
| Advanced Metal Powder | Computing |
| Advanced Multimedia Products | Computing |
| Advanced Mail Processor | Computing |
| Asymmetric Massively Parallel | Computing |
| Application Management Package | Computing |
| Active Measurement Protocol | Computing |
| Active Monitor Present | Computing |
| Asymmetric Multi Processing | Computing |
| Audio Mpeg Player | Computing |
| Adobe Media Player | Computing |
| Advanced Malware Protection | Computing |
| Accelerated Mobile Pages | Computing |
| Aeris Mobility Platform | Computing |
| Automated Machine Learning Platform | Computing |
| Account Management Program | Computing |
| Asynchronous Messaging Protocol | Computing |
| Access Module Processor | Database Management |
| Achieving Maximum Potential | General |
| All My Payments | General |
| Amperage AMP Applied | General |
| Another MPEG Page | General |
| Area Manager Project | General |
| Aliansi Mahasiswa Papua | General |
| Apache Mysql Perl | General |
| Anybody's Mentoring Program | General |
| Apache Mod Php | General |
| Aero Marine Products | General |
| Arnolds Midi Player | General |
| Accelerating Medicines Partnership | General |
| Advanced Manufacturing Partnership | General |
| Apache MySQL PHP | General |
| Area Microphone & Preamplifier | General |
| Addus Mobile Portal | General |
| Access Monterey Peninsula | General |
| Aspiring Media Professionals | General |
| Assassination Mechanized Protocol | General |
| Annie Mac Presents | General |
| Artificial Moron Projects | General |
| American Midwest Power | General |
| Advanced Modular Product | General |
| Accident Management Programme | General |
| Arkansas Motorsports Professionals | General |
| Amplifier Control Module | General |
| American Motors Pavia | General |
| Advanced Modular Platform | General |
| Automotive Mission Plan | General |
| Automotive Management Professionals | General |
| Automotive Management Partners | General |
| Automotive Modernization Program | General |
| ampère | General |
| Asian Massage Parlor | Governmental |
| All Male Police | Governmental |
| Administrative Monetary Penalty | Governmental |
| Air Member for Personnel | Governmental |
| Alliance pour la Majorité Présidentielle | Governmental |
| Attacked Mystification Police | Governmental |
| Alcohol Management Plan | Governmental |
| Avionics Modernization Program | Governmental |
| Airline Maintenance Procedure | Governmental |
| Aviation Maintenance Practice | Governmental |
| Agency Management Plan | Governmental |
| Average Manufacturer Price | Governmental |
| Alameda Municipal Power | Governmental |
| American Municipal Power | Governmental |
| AHAMADPUR JN. | Indian Railway Station |
| America Matters, People | International |
| Asociación de Maestros Paternos | International |
| Acta Musei Porolissensis | International |
| Amp | Measurement Unit |
| Antimicrobial Peptides | Medical |
| Ampule | Medical |
| Ampule/Ampoule | Medical |
| Asthma Management Program | Medical |
| Advanced Medical Post | Medical |
| acid mucopolysaccharide | Medical |
| acid mucopolysaccharidosis | Medical |
| adenosine monophosophate | Medical |
| Americans for Medical Progress | Medical |
| Associated Medical Professionals | Medical |
| amphotericin | Medical |
| Amputation | Medical |
| Annual Maintenance Plan | Medical |
| Anterior Mandibular Positioning | Medical |
| Anti-Microbial Peptide | Medical |
| antimicrobial prophylaxis | Medical |
| Average Mean Pressure | Medical |
| Army Mobilization Plan | Military and Defence |
| Army Modernization Plan | Military and Defence |
| Analysis of Mobility Platform (model) | Military and Defence |
| Army Materiel Plan | Military and Defence |
| Automated Message Processing | Military and Defence |
| Analysis of Mobility Platform | Military and Defence |
| Archive Management Package | Networking |
| Active Measurement Program | Networking |
| Airtime Management and Programming | News & Entertainment |
| Amplitude | Physics Related |
| Advanced Manufacturing Park | Regional |
| Amplified Bible | Society & Culture |
| Australian Music Prize | Society & Culture |
| Arula Management Platform | Softwares |
| Analog Modification Processing | Softwares |
| Apache, Mysql, and Php | Softwares |
| Amplifier | Space Science |
| Adventure for Multiple Players | Sports |
| Atlanta Motorsports Park | Sports |
| Atlantic Motorsport Park | Sports & Games |
| Alternative MAC/PHY | Technology |
| Amplifier / Amplification | Telecommunication |
| Ampanihy Airport | Transport & Travel |
| Ahmadpur Junction | Transport & Travel |
