| Submillimeter Array | Academic & Science |
| Signal Magnitude Area | Academic & Science |
| Styrene Maleic Anhydride | Academic & Science |
| Staunton Military Academy | Academic & Science |
| San Marcos Academy | Academic & Science |
| Statistics for Microarray Analysis | Academic & Science |
| Society for Medical Anthropology | Academic & Science |
| Society of Municipal Arborists | Academic & Science |
| State Meteorology Administration | Academic & Science |
| Saint Michaels Academy | Academic & Science |
| Studio of Masquerade Arts | Academic & Science |
| Saint Mary's Academy | Academic & Science |
| Student Managed Assessment | Academic & Science |
| Separately Managed Account | Accounts and Finance |
| Special Memorandum Account | Accounts and Finance |
| Society of Management Accountants of Canada | Accounts and Finance |
| Algerian Muslim Scouts | Associations & Organizations |
| Society of Makeup Artists | Associations & Organizations |
| System, Mess und Anlagentechnik | Business |
| Société de Motorisations Aéronautiques | Business |
| Screen Manufacturers Association | Business |
| Stucco Manufacturers Association | Business |
| SMART Technologies Incorporated (de-listed) | Business |
| Society for Marketing Advances | Business |
| SmartTrans Holdings Ltd | Business |
| Strategic Marketing Affiliates | Business |
| Shoreline Management Act | Business |
| Surplus Marketing Administration | Business |
| Sputnik Missile Agency | Business |
| Systems Management America | Business |
| Singapore Medical Association | Business |
| Stone Mastic Asphalt | Business |
| Singapore Massachusetts Alliance | Business |
| Sport Marketing Association | Business |
| Styrene Malic Anhydride | Chemistry |
| Stairway Manufacturers Association | Community |
| Southern Medical Association | Community |
| Steel Manufacturers Association | Community |
| Stadium Managers Association | Community |
| Smaller Manufacturers Association | Community |
| Studio Media Arts | Community |
| Stairbuilders and Manufacturers Association | Community |
| Shadrach, Meschach, and Abednigo | Community |
| So Many Angels | Community |
| Statistical Metropolitan Area | Community |
| Shadrach, Meschach, and Abednego | Community |
| Southwest Meat Association | Community |
| Scratch Music Animations | Community |
| State Magistrate Association | Community |
| Schaefer, Matossi, and Aderhold | Community |
| Stop Motion Animation | Community |
| International conference on Shape Modeling and Applications | Community |
| Storage Manufacturers Association | Community |
| Stage Managers Association | Community |
| Super Magnificent Artists | Community |
| Surface Mount Assembly | Computer Hardware |
| Sequential Multiple Analyser | Computing |
| Server Management Agent | Computing |
| Software Migration Assistant | Computing |
| System Monitoring Agent | Computing |
| Smart Memory Access | Computing |
| System Migration Assistant | Computing |
| Subnet Manager Agent | Computing |
| Service Management Automation | Computing |
| Super Mario Advance | Computing |
| Secure Mobile Access | Computing |
| State Machine Action | Computing |
| Segmented Memory Architecture | Computing |
| Support and Maintenance Assistance | Computing |
| System Multimedia Architecture | Computing |
| Shared Memory Architecture | Computing |
| Semiconductor Manufacturers Association | Computing |
| Sequential Multiple Analysis | Electronics |
| Intools Instrumentation Software Smart Loop File | File Type |
| Self Mastery Assignment | General |
| Systems Maintenance Administrator | General |
| Strategy Meets Action | General |
| Sequential Multiple Analyzer | General |
| Shaped Memory Alloys | General |
| Structural Methods and Allowables | General |
| Santa Monica Alternative | General |
| Surface Mounted Assembly | General |
| Synthetic Milk Adaptation | General |
| Stiffler McGraw Associates | General |
| Smart Memory Alloy | General |
| Surface Movement Advisor | General |
| Poly (Styrene Maleic Anhydride) | General |
| Small Mixing Angle | General |
| Shape Memory Alloy | General |
| Social Market Analytics | General |
| Sub Miniature A | General |
| Shanghai Maple Automobile | General |
| Suzuki Malaysia Automobile | General |
| Suzuki Motor of America | General |
| Sekolah Menengah Atas | General |
| Stone Mastics Asphalt | General |
| Society of Motor Auctions | General |
| Saddleback Mustang Association | General |
| Sequential Fuel Injection Mass Air | General |
| Sexiest Man Alive | General |
| Servizi Manifestazioni Automotoristiche | General |
| Simple Modified Achromat | General |
| Swedish Motor Assemblies | General |
| Shadrach Meshach And Abednego | General |
| Societe de Montage Automobile | General |
| Shadrach Meshach And | General |
| Societe Mauritanienne d'Automobile | General |
| Societe Martinez Automobiles | General |
| Societe Mecanique Automobile | General |
| Sailor Moon Avatars | General |
| San Miguel De Allende | General |
| Steal Major Athletes | General |
| Special Mention Account | General |
| Strategic Market Alliance | Governmental |
| Singapore MIT Alliance | Governmental |
| Santa Monica Fire Department | Governmental |
| SubMiniature version A | Information Technology |
| Sekolah Menegah Atas | International |
| Send My Apologies | Internet |
| Smoothed Moving Average | Maths |
| Simple Moving Average | Maths |
| Smooth Muscle Antibody | Medical |
| Scala Media Area | Medical |
| Severe Malarial Anaemia | Medical |
| Shape Memory Alloys | Medical |
| Simultaneous Multichannel Autoanalyser | Medical |
| Smooth Muscle Actin | Medical |
| Smooth Muscle Antigen | Medical |
| Snow Mountain Agent | Medical |
| somatomedin a | Medical |
| somatomedin activity | Medical |
| Spinal Muscle Atrophy | Medical |
| Spinal Muscular | Medical |
| Spiral Modiolar Artery | Medical |
| Spontaneous Motor Activity | Medical |
| Student medical assistant | Medical |
| Second Messenger Activation | Medical |
| Superior Mesenteric Artery | Medical |
| Sensory Motor Amnesia | Medical |
| Spinal Muscular Atrophy | Medical |
| Supplementary Motor Area | Medical |
| Service and Maintenance Agreement | Messaging |
| Sergeant Major of The Army | Military and Defence |
| Sarasota Military Academy | Military and Defence |
| Software Maintenance Agreement | Military and Defence |
| Self Motivated Agents | Military and Defence |
| Special Military Attaches | Military and Defence |
| Safety Mechanism Assembly | Military and Defence |
| Satellite Master Antenna | Radio Science |
| Southern Sámi | Regional |
| Swiss Music Awards | Regional |
| Societas Missionum ad Afros | Regional |
| San Manuel Arizona Railroad | Regional |
| Santa Maria, Azores, Portugal | Regional |
| San Manuel Arizona Railroad Company | Regional |
| Software Management Association | Softwares |
| Science Monitoring Area | Space Science |
| Secondary Mirror Assembly | Space Science |
| Sports Massage Association | Sports |
| Santa Maria Airport | Transport & Travel |
