 |
| Subject | English | Thesaurus |
| abbr. | American Institute of Maritime Services | AIMS |
| abbr. | Institute for Further Education of Journalists | FOJO (in Sweden Alexander Demidov) |
| museum., abbr. | Institute of Museum Services | IMS |
| tech., abbr. | Institute of Radio Services Men | IRSM |
| ocean., abbr. | National Institute of Environmental Health Services | NIEHS |
| abbr., med. | Shantou Institute of Ultrasonic Instruments Co.,Ltd | SIUI (название компании в Китае, выпускающей ультразвуковое оборудование Лорина) |
| abbr., ed. | Stockholm Institute of Transition Economics | SITE (Vosoni) |