sort by Rank | Alpha
| Possible Meanings | Rank |
| Summary of Project Information | **** |
| Staff Polito It | **** |
| Security Parameters Index | **** |
| Site Performance Index | **** |
| Sparkle Power Inc | **** |
| Standard Parallel Interface | **** |
| Sales Performance Indicators | **** |
| S Policy on International | **** |
| Strategic Partnership Initiative | **** |
| State Pain Initiatives | **** |
| Safer Patients Initiative | **** |
| System and Promotion | **** |
| Specifies the Idle | **** |
| Supplies the Potential | **** |
| Sindacato Pensionati Italiani | **** |
| Screen Printing Instructions | **** |
| Smithsonian Photography Initiative | **** |
| Specializes in Insuring | **** |
| stainless products inc | **** |
| Software Process It | **** |
| Solar Power Industries | **** |
| System Programmable ISP | **** |
| SPECIAL PACKAGING INSTRUCTIONS | **** |
| Samples per Inch | **** |
| Specialty Products Insulation | **** |
| Serial Peripheral Interfaces | **** |
| Small Practical Innovation | **** |
| Sustainability Performance Indicators | **** |
| Serine Protease Inhibitor | *** |
| Spending Potential Index | *** |
| Sasol Petroleum International | *** |
| Service Provider Identifier | *** |
| Strengthening Partners Initiative | *** |
| Sport Performance Institute | *** |
| Sensorimotor Psychotherapy Institute | *** |
| Scheer Partners Inc | *** |
| Screen Producers Ireland | *** |
| Scott Polar Institute | *** |
| Sierra Pacific Industries | *** |
| Serial Port Interface | *** |
| Society of Plastics Industry | *** |
| Signal Propagation on Interconnects | *** |
| Soy Protein Isolated | *** |
| SINGLE PROCESS INITIATIVES | *** |
| State Personal Income | *** |
| Stateful Package Inspection | *** |
| Summit for Property Investment | *** |
| Sales Performance International | *** |
| Singapore Power International | *** |
| Stationary Phase Induction | *** |
| Sodexho Pass International | *** |
| Sales Partnerships Inc | *** |
| Single Point Interchange | *** |
| Stable Preterm Infants | *** |
| Single Port Interface | *** |
| Synthetic Personality Inventory | *** |
| State Power Inc | *** |
| Summer Peacebuilding Institute | *** |
| Serine Proteinase Inhibitor | *** |
| Signal Processing Interface | *** |
| Service Profile Identifier | *** |
| Saha Pathana Inter | *** |
| Signal Processing and Interpretation | *** |
| Serial Port Interrupt | *** |
| Socialist Party of Iran | *** |
| Sirocco Productions, Inc (Norfolk, VA) | *** |
| Serial Protocol Interface | *** |
| Sol Plaatje Institute | *** |
| Stargardzki Portal Internetowy | *** |
| Split Port Induction | *** |
| Sistem Perbankan Islam | *** |
| Software Package Is | *** |
| Schneider Power Inc | *** |
| Southampton Photonics Inc | *** |
| State Partnership Initiative | *** |
| Sistem Pengendalian Intern | *** |
| Sustainable Peace Initiative | *** |
| Select Plus International | *** |
| Sustainable Process Index | *** |
| Strategic Policy Initiative | *** |
| Sustainable Penang Initiative | *** |
| Strategic Planning Institute | *** |
| State Plan Index | *** |
| Swiss Precision Instruments | *** |
| Software Process and Infrastructure | *** |
| Security Protocol Integration | *** |
| State Polytechnical Institute | *** |
| small private initiatives | *** |
| San Pacific International | *** |
| Superconductivity Partnership Initiative | *** |
| Study Programs International | *** |
| Special Program Indicator | *** |
| Service Provide Interface | *** |
| Special Public Interest | *** |
| Spectrum Programs Inc | *** |
| Sensitive Price Indicator | *** |
| Sanlam Private Investments | *** |
| Survey of Personal Incomes | *** |
| Soy Protein Isolates | *** |
| Synchronous Parallel Interface | *** |
| Science Publishers Inc | *** |
| Sediment Profile Imagery | *** |
| Specialty Products Incorporated | *** |
| Scottish Provident Ireland | *** |
| Summary of Proposed Investment | *** |
| Synchronous Peripheral Interface | *** |
| Soccer Performance International | *** |
| Socio Pastoral Institute | *** |
| Supermall Pakuwon Indah | *** |
| Sales Potential Inventory | *** |
| Safety Performance Indicator | *** |
| Strip Poker Invitational | *** |
| Service Provider Identification | *** |
| Saudi Petroleum International | *** |
| Sparkle Power International | *** |
| Special Project Interns | *** |
| System and Process Infoation | *** |
| Serikat Pengacara Indonesia | *** |
| Standard Procedural Interface | *** |
| Swedish Petroleum Institute | *** |
| Salmonella Pathogenicity Island | *** |
| Strange Phenomena Investigations | *** |
| Subud Publications International | *** |
| Suspension Point Interferometer | *** |
| Software Protection Initiative | *** |
| Standard Precipitation Index | *** |
| Service Politics Institute | *** |
| Society for the Plastics Industry | *** |
| Sports Performance International | *** |
| SEDIMENT PROFILE IMAGING | *** |
| Salmonella Pathogenicity Islands | *** |
| Society of Plastics Industries | *** |
| Statutory Performance Indicators | *** |
| Single Pitch Instructor | *** |
| Schweizerische Polizei Institut | *** |
| Simmons Promotions Inc | *** |
| School Performance Index | *** |
| Software Paradigms International | *** |
| Serious Physical Injury | *** |
| Safer Parking Initiative | *** |
| safety play inc | *** |
| Solar Polar Imager | *** |
| Self Perception Inventory | *** |
| Solar Power Indonesia | *** |
| Scottish Participatory Initiatives | *** |
| Strategy and Policy | *** |
| Sectoral Partnerships Initiative | *** |
| Safe from Prying | *** |
| Society of Plastic Industry | *** |
| Sediment Profiling Imagery | *** |
| Semiconductor Physics Institute | *** |
| Steel Pile Installations | *** |
| Smart Procurement Initiative | *** |
| Sound Plaza Ida | *** |
| Serial Peripherial Interface | *** |
| Society of the Plastics Industries | *** |
| Specialist in Poison Information | ** |
| SCSI Parallel Interconnect | ** |
| Safety and Protection | ** |
| Serial to Parallel Interface | ** |
| indicators--S phase index | ** |
| low-soy protein isolate | ** |
| low-soy-protein-isolate | ** |
| Salford Psoriasis Index | ** |
| Scholarly Productivity Index | ** |
| Seattle Prostate Institute | ** |
| secondary pancreatic infection | ** |
| segmental pressure index | ** |
| seminal plasma inhibitor | ** |
| serine proteases inhibitor | ** |
| serologically positive individuals | ** |
| service predisposition instrument | ** |
| severe postoperative infection | ** |
| signal peptidase I | ** |
| Significant physiologic improvement | ** |
| simulated patient instructor | ** |
| Single Photon Ionization | ** |
| Single Point Imaging | ** |
| single-peak" insulin | ** |
| Single-Point Imaging | ** |
| sinus petrosi inferiores | ** |
| sinusoidal pattern index | ** |
| slowly progressing infection | ** |
| small-penetrator infarct | ** |
| Smoking Policy Inventory | ** |
| soya protein isolate | ** |
| soyabean-protein isolate | ** |
| soyabean-protein-isolate | ** |
| soybean protein isolate | ** |
| spermatogenic process index | ** |
| Standardised Psychiatric Interview | ** |
| standardized patient instructor | ** |
| Standardized Psychiatric Interview | ** |
| Streptomyces pepsin inhibitor | ** |
| Structural Profile Inventory | ** |
| subclinical papillomaviral infection | ** |
| subclinical papillomaviral infections | ** |
| subclinical papillomavirus infection | ** |
| substance P immunoreactive | ** |
| Substance P immunoreactivity | ** |
| substance P innervation | ** |
| substance P-immunoreactive | ** |
| substance-P immunoreactivity | ** |
| Sum pain intensity | ** |
| sunflower protein isolates | ** |
| survival prediction index | ** |
| Symptom Problem Index | ** |
| Symptomatic Prostatic Index | ** |
| synoviocyte proliferation index | ** |
| systemic pneumococcal illness | ** |
| systolic pressure index | ** |
| Specialists in Poison Information | ** |
| Symbolic Probabilistic Inference | ** |
| System Physical Interfaces | ** |
| Safeguard Properties Is | ** |
| Standard Performance Index | ** |
| Stanford Public Information | ** |
| Service Performance Improvement | ** |
| Sagadahoc Preservation Inc | ** |
| Scottish Provident International | ** |
| serine protease inhibitors | ** |
| Ship Port Interface | ** |
| Statefull Packet Inspection | ** |
| Standard Programming Interface | ** |
| Synchronous Pixel Interface | ** |
| Special Projects International | ** |
| Standard Product Interconnect | ** |
| Specialty Pharma Inc | ** |
| serial-dependent-independent | ** |
| serine protease inhibitor superfamily | ** |
| serine proteinase inhibitory protein | ** |
| Severity of Psychiatric Illness | ** |
| slowly progressing HIV infection | ** |
| sodium-potassium pump inhibitor | ** |
| soya-bean-protein isolate | ** |
| standardized 10% povidone-iodine | ** |
| staphylococcal protein A immunoadsorption | ** |
| sub-fascial perforators interruption | ** |
| subclinical papilloma virus infection | ** |
| sum of pain intensity | ** |
| syndrome of polyorganic insufficiency | ** |
| S P International | ** |
| Short Pain Inventory | ** |
| Stuttering Prediction Instrument | ** |
| Second Pathogenicity Island | ** |
| Soft Phonation Index | ** |
| Statewide Property Inventory | ** |
| Scientific Publishers Inc | ** |
| Sozialist Party of Iran | ** |
| Screen Printing Institute | ** |