| Subject | English | Thesaurus |
| tradem., abbr. | American Internet Services | AIS |
| busin., abbr. | Business Internet Services | BIS |
| tradem., abbr. | Com Internet Services | CIS |
| abbr., astronaut., mil. | Common Internet File Services | CIFS |
| Nasdaq, abbr. | Cybernet Internet Services International | ZNET |
| abbr. | Internet Access and Training Program | IATP (Программа Доступа и Тренинга в Пользовании Интернетом vodchikpere) |
| abbr., file.ext. | Internet Connection Services API | ICSAPI |
| busin., abbr. | Internet Escrow Services | IES |
| IT, abbr. | Internet Information Server / Services | IIS (MS) |
| abbr., file.ext. | Internet Information Server/Services | IIS (Microsoft) |
| comp., MS | Internet Information Services 7 Manager | Internet Information Services (IIS) 7 Manager (The tool that manages services that are hosted in the Windows Process Activation service (WAS)) |
| comp., MS | Internet Information Services 7 Manager for Remote Administration | Internet Information Services (IIS) 7 Manager for Remote Administration (A software product that provides the ability to securely manage remote IIS 7 servers from Windows 7, Windows Vista, Windows XP, and Windows Server 2003) |
| abbr., med. | Internet Sexuality Information Services | ISIS (Alexander Oshis) |
| tradem., abbr. | Kaw Valley Internet Services, Inc. | KVIS |
| tradem., abbr. | Kootenay Internet Services | KIS |
| tradem., abbr. | Lexicon Internet Services | LIS |
| commun. | multiannual Community Programme on promoting safer use of the Internet and new online technologies | Safer Internet plus |
| comp., MS | Multipurpose Internet Mail Extension Hypertext Markup Language | Microsoft Exchange Unified Messaging Service (A standard method for sending an HTML document encapsulated with inline graphics, applets, linked documents, and other items referred to in the HTML document) |
| abbr., comp., net. | Multipurpose Internet Main Extensions Object Security Services | MOSS |
| comp., net., abbr. | Program For Internet News And Email | PINE |
| IT, abbr. | Program for Internet News and Email / PINE Is No longer ELM | PINE |
| abbr., file.ext. | Program for Internet News & Email | PINE (present usage) |
| tradem., abbr. | QUALCOMM Internet Services | QIS |
| tradem., abbr. | Quantum Internet Services, Inc. | QIS |
| abbr., data.prot. | Revised Internet Protocol Security Options | RIPSO |
| tradem., abbr. | Surf The Net Internet Services | STN |
| abbr. | Telecommunications and Internet converged Services and Protocols for Advanced Networking | TISPAN (http://www.rfcmd.ru/glossword/1.8/index.php fountik) |
| telecom., abbr. | Vermont Internet Services and Technology Access Network | VISTAnet |
| tradem., abbr. | West Michigan Internet Services | WMIS |
| tradem., abbr. | West Texas Internet Services | WTIS |
| tradem., abbr. | Western Kentucky Internet Services | WKYI |
| tradem., abbr. | White Pine Internet Services | WPIS |
| telecom., abbr. | Wholesale Internet Access Services | WIAS |
| tradem., abbr. | Williams Internet Design and Services | WIDS |
| comp., net., abbr. | Windows Internet Name Services | WINS |
| IT, abbr. | Xerox Network Services - Internet Datagram Protocol | XNSIDP (Xerox, Internet, XNS) |
| IT, abbr. | Xerox Network Services - Internet Datagram Protocol | XNS-IDP (Xerox, Internet, XNS) |
| IT, abbr. | Xerox Network Services/Internet Transport Protocol | XNSITP (Xerox, XNS) |
| IT, abbr. | Xerox Network Services/Internet Transport Protocol | XNS/ITP (Xerox, XNS) |
