- SSI
SSI has many meanings, depending on the topic:
Engineering
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Soil structure interaction , an interaction between soil and structure during earthqaukesEconomics
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Standard Settlement Instructions , payment processing and settlement information about financial institutions
*Strategic Sustainable Investing , an investment strategy that recognizes financial value in transitional leadership towards sustainability
*Supplemental Security Income , a United States federal government programComputing
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Server Side Includes , a server-side scripting language used on the web
*Server System Infrastructure , design specifications for common server hardware elements
*Single Sign In , a specialized form of software authentication
*Single-system image , a cluster dedicated operating system
* Small Scale Integration, electronic chips
*Synchronous Serial Interface , electronicsMedicine
* Sliding-Scale
Insulin , a method of insulin administration
*Solid State Intelligence , a malevolent entity described by John C. Lilly
*Stress-Strain Index , a measure of bone strength
*Surgical Site Infection , this term is preferred over "Surgical Wound Infection"Military and Police
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Selective Service Initiative , a form of military conscription in the United States
*Senior Station Inspector , a rank in the Singapore Police Force
* "Serviciul Secret de Informaţii ", the Romanian intelligence service in the interwar period (until November 1940)
* "Serviciul Special de Informaţii ", the Romanian intelligence service between November 1940 and September 1944
*Shoulder Sleeve Insignia (US Army) , formation insignia used by the United States Army
*Staff Sergeant Instructor , an appointment in the British Army
* "Subsecretaria de Inteligência ", the Brazilian intelligence agency until 1995
*State Security Intelligence agency of EgyptOrganizations
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Samsung Semiconductor Inc. , a Korean electronics company
*Scuba Schools International , a diver training organization
*Southern Software, Inc. (SSi), a type foundry
*Space Services Inc. , a team of companies investigating new commercial opportunities in space
*Space Studies Institute , an American non-profit organisation
*Spatial Sciences Institute , a professional body in the Asia-Pacific region
* "Statens Serum Institut ", the Danish State Serum Institute
*Strategic Simulations, Inc. , a software company producing simulation games
*Strategic Studies Institute , the United States Army War College institute for geostrategic and national security research and analysis
*Sustainable Sciences Institute , a San Francisco-based organisation building local capacity in developing countries
* "Statens strålskyddsinstitut" (Swedish Radiation Protection Authority ), a Stockholm-based regulatory and research government agency.
*Swedish Society for Interlingua , a society that encourages the active use of Interlingua in Sweden.Transportation
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Sensitive Security Information , a designation used by the United States Transportation Security Administration
*Solid State Interlocking is the brand name of the first generation processor-based interlocking developed in the 1980s by British Rail, GEC-General Signal and Westinghouse Signals Ltd in the UK.Honorifics
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Star of the Solomon Islands , the most senior award made by the government of theSolomon Islands Market Research
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The SSI model , stands for Subject Matter Expertise, Site visits, Industry ConsultationsPopular Culture
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Sonic Solutions Incorporated , an electronic music group
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