Several organizations create networking standards. Each focuses on different aspects.
IEEE. Creates physical layer standards. Ethernet (), WiFi (), and VLANs (Q) come from IEEE.
IETF. Creates internet protocols. TCP, IP, HTTP, DNS, and BGP are IETF standards published as RFCs.
ISO. Creates international standards including the OSI model and ISO security framework.
TIA/EIA. Creates cabling standards. Your structured cabling follows TIA-.