| CCITT T.410 | ODA and Interchange Format (ODIF) |
| CCITT X.25 | X.25 LAPB-Compatible DTE Data Link Procedures |
| CCITT X.25 | X.25 Packet Level Protocol for Data Terminal Equipment |
| CCITT X.400 (1984) | MHS(84): Message Handling System |
| CCITT X.400 (1988) | MHS(88): Message Handling System |
| CCITT X.500 | DIR: Directory Standard |
| IEEE 1224 | Common Object Management |
| IEEE 1224.1 | MHS API |
| IEEE 1224.2 | Directory Services API |
| ISO 1539 | Programming Languages - FORTRAN |
| ISO 1989 | Programming Languages - COBOL |
| ISO 3788 | 1600 bpi tape |
| ISO 5652 | 6250 bpi tape |
| ISO 6937 | Coded Character Sets for Text Communication |
| ISO 7185 | Programming Languages - Pascal |
| ISO 7372 | United Nations Trade Data Elements Dictionary (UNTDED) |
| ISO 7498 | Basic Reference Model for OSI |
| ISO 7776 | X.25 LAPB-Compatible DTE Data Link Procedures |
| ISO 8063 | QIC 150 1/4" cartridge |
| ISO 8073 | Connection-Oriented Transport Protocol Specification |
| ISO 8208 | X.25 Packet Level Protocol for Data Terminal Equipment |
| ISO 8348 | Network Service Definition |
| ISO 8571 | FTAM: File Transfer, Access and Management |
| ISO 8613 | Office Document Architecture (ODA) & Interchange Format |
| ISO 8652 | Programming Languages - Ada |
| ISO 8859 | 8-bit Single-byte Coded Graphic Character Sets |
| ISO 8878 | Use of X.25 to Provide the Connection-mode Network Service |
| ISO 9040 | VT: Virtual Terminal Basic Class Service |
| ISO 9041 | VT: Virtual Terminal Basic Class Protocol |
| ISO 9075 | SQL |
| ISO 9314 | Fibre Distributed Data Interface (FDDI) Token Ring |
| ISO 9529 | 3,5" 1,4 Mbyte floppy |
| ISO 9592 | PHIGS (Programmers' Hierarchical Interactive Graphics System) |
| ISO 9593 | PHIGS (Programmers' Hierarchical Interactive Graphics System: FORTRAN, Ada, C bindings) |
| ISO 9594 | DIR: Directory Standard |
| ISO 9595 | Common Mangement Information Service (CMIS) |
| ISO 9596 | Common Management Information Protocol (CMIP) |
| ISO 9646-1 | IT - OSI - Conformance testing methodology and framework, Part 1. "General concept" |
| ISO 9646-2 | IT - OSI - Conformance testing methodology and framework, Part 2. "Abstract test suite specification" |
| ISO 9646-3 | IT - OSI - Conformance testing methodology and framework, Part 3. "The Tree and Tabular Combined Notation (TTCN)" |
| ISO 9646-4 | IT - OSI - Conformance testing methodology and framework, Part 4. "Test realisation" |
| ISO 9646-5 | IT - OSI - Conformance testing methodology and framework, Part 5. "Requirements on test laboratories and clients for the assesment process" |
| ISO 9735 | EDIFACT: Electronic Data Interchange for Administration, Commerce and Transport |
| ISO 9899 | Programming Languages - C |
| ISO 9945-1 | IT - POSIX - Part 1. System Application Programming Interface (API) [C language] |
| ISO 10026 | IT - OSI - Distributed Transaction Processing |
| ISO 10164 | System Management |
| ISO 10165 | Management Information |
| ISO 10165-1 | Management Information Model |
| ISO 10165-2 | Definition of Management Information |
| ISO 10165-4 | Guidelines for the Definition of Managed Object |
| ISO DIS 9945-2 | IT - POSIX - Part 2. Shell and Utilities, User Portability Extension |
| ISO ISP 10608-2 | TP4 and CLNS over LLC1 and 8802-3 LAN |
| ISO ISP 10608-5 | TP4 and CLNS over PSTN SVC |
| ISO ISP 10609-6 | TP0,2 and CONS over PSTN SVC |
| ISO ISP 10609-7 | TP0 and CONS over PSTN SVC |