| SMI | Mechanical Contractor (Best in the USA) 
| Others |
| SMI | S Maskable Interrupt
| Others |
| SMI | Sailor Moon Insanity
| Others |
| SMI | Sales Managers Index
| Others |
| SMI | Salesian Missions, Inc.
| Others |
| SMI | Sami Languages
| Others |
| SMI | Samos, Greece
| Others |
| SMI | Samsung Motors Inc.
| Others |
| SMI | Sarawak Motor Industries
| Others |
| SMI | Saturday Music, Inc.
| Others |
| SMI | Scholastic Math Inventory
| Others |
| SMI | School Meal Initiative
| Others |
| SMI | School of Military Intelligence
| Others |
| SMI | Schott Musik International
| Others |
| SMI | Scientology Missions International
| Others |
| SMI | Security Management Infrastructure
| Others |
| SMI | Self Mounting Image
| Others |
| SMI | Semiconductor Manufacturing International
| Others |
| SMI | Sensory Motor Integration
| Others |
| SMI | Sequelink Middleware Interface
| Others |
| SMI | Serious Mental Iillness
| Others |
| SMI | Serious Mental Illness
| Others |
| SMI | Seriously Mentally Ill
| Others |
| SMI | Seriously Mentally Impaired
| Others |
| SMI | Server Management Interface
| Others |
| SMI | Service Mesh Interface
| Others |
| SMI | Service, Motivation, and Integrity
| Others |
| SMI | Services Maintenance Interventions
| Others |
| SMI | Servicio Medico Integral
| Others |
| SMI | Severe Mental Illness
| Others |
| SMI | Shape Modeling International
| Others |
| SMI | Shared Multidimensional Information
| Others |
| SMI | Shelter Management Inc
| Others |
| SMI | Silent Myocardial Infarction
| Others |
| SMI | Silent Myocardial Ischaemia
| Others |
| SMI | Singapore Malaysia and Indonesia
| Others |
| SMI | Single Mode Fiber Intermediate Range
| Others |
| SMI | Singular Medicare Index
| Others |
| SMI | Sistemi Meccanici Industriali
| Others |
| SMI | Site Map Index
| Others |
| SMI | Small and Medium Industries
| Others |
| SMI | Smart Install
| Others |
| SMI | Snow Machines Inc
| Others |
| SMI | Social Media Index
| Others |
| SMI | Social Media Influencer
| Others |
| SMI | Social Media Information
| Others |
| SMI | Social Media Intelligence
| Others |
| SMI | Society for Mucosal Immunology
| Others |
| SMI | Society of Mucosal Immunology
| Others |
| SMI | Software Mature Indicator
| Others |
| SMI | Soldier Machine Interface
| Others |
| SMI | Soldier-Machine Interface
| Others |
| SMI | Solid Modest And Integrated
| Others |
| SMI | Some Main Ingredient
| Others |
| SMI | Sonitus Medical Inc.
| Others |
| SMI | Spanish medical Interpreter
| Others |
| SMI | Special Message Identifier
| Others |
| SMI | Specialty Marketing International
| Others |
| SMI | Specialty Measurements Inc
| Others |
| SMI | Specialty Measurements, Incorporated
| Others |
| SMI | Sperm Motility Index
| Others |
| SMI | Sports Management International
| Others |
| SMI | Sports Medicine Institute
| Others |
| SMI | Spring Manufacturers Institute
| Others |
| SMI | St. Micheal Ipoh
| Others |
| SMI | Stand for Mental Illness
| Others |
| SMI | Standard Media Index
| Others |
| SMI | Standard Motor Interface
| Others |
| SMI | Standard Multilayer Image
| Others |
| SMI | State Management Interface
| Others |
| SMI | State Manager Interface
| Others |
| SMI | Stefan Meyer Institute
| Others |
| SMI | Stochastic Modeling Interface
| Others |
| SMI | Stock Market Indicator
| Others |
| SMI | Storage Management Initiative
| Others |
| SMI | Storage Management Interface
| Others |
| SMI | Strategic Marketing Innovations
| Others |
| SMI | Strategic Marketplace Initiative
| Others |
| SMI | Structure of Managed Information
| Others |
| SMI | Structure of Management Information
| Others |
| SMI | Structured Materials Industries
| Others |
| SMI | Stud Middle Infield
| Others |
| SMI | Student Missionary Internship
| Others |
| SMI | Summer Manufacturing Institute
| Others |
| SMI | Summer Medical Institute
| Others |
| SMI | Summer Music Insitute
| Others |
| SMI | Sun Microsystems, Inc.
| Others |
| SMI | Supplementary Medical Insurance
| Others |
| SMI | Supplier Management Inventory
| Others |
| SMI | Support for Mortgage Interest
| Others |
| SMI | Sustainable Minerals Institute
| Others |
| SMI | Suzuki Maruti India
| Others |
| SMI | Swiss Market Index
| Others |
| SMI | Synchronized Multimedia Integration
| Others |
| SMI | System Management Interrupt
| Others |
| SMI | System Modeling Interface
| Others |
| SMI | Systems and Materials for Information Storage
| Others |
| SMI | Systems and Methods Inc
| Others |