1.2.840 - USA

There is a second US branch of the OID tree, 2.16.840 (joint-iso-ccitt(2) countries(16) usa(840)); some organizations are listed there.

Superior references

• 1.2 - ISO member body
• 1 - ISO assigned OIDs
• Top of OID tree

Subsidiary references (single level)

• 1.2.840.1 - US organizations? (6 more)
• 1.2.840.10003 - ANSI-standard-Z39.50 (10003)
• 1.2.840.10008 - DICOM Standard
• 1.2.840.10017 - IEEE-1224 (1 more)
• 1.2.840.10022 - IEEE802Dot10
• 1.2.840.10036 - IEEE802Dot11 (3 more)
• 1.2.840.10040 - X9-57 (2 more)
• 1.2.840.10045 - ansi-x9-62
• 1.2.840.113533 - Nortel Networks (18 more)
• 1.2.840.113536 - Sun Microsystem (4 more)
• 1.2.840.113549 - RSADSI (45 more)
• 1.2.840.113556 - Microsoft (18 more)
• 1.2.840.113560 - COLUMBIA UNIVERSITY
• 1.2.840.113572 - Unisys Corp. (3 more)
• 1.2.840.113658 - XAPIA
• 1.2.840.113699 - WordPerfect (10 more)
• 1.2.840.113741 - Intel Corporation
• 1.2.840.114021 - Identrus
• 1.2.840.114050 - Cognos
• 1.2.840.114222 - Centers for Disease Control