Known Houses Major
- House Abefor
- House Alman
- House Amminadab
- House Andersson
- House Atreides
- House at-Tam
- House Bagrationi
- House Balanescu
- House Barlevin
- House Bendau
- House Beskid
- House Bromeli
- House Burgerich
- House Cephalus
- House Chelly
- House Chinognia
- House Chlemnik
- House Chulian
- House Clanriearde
- House Corrino
- House Costino
- House Daryai
- House Delambre
- House Demavend
- House Destrym
- House Dupleix
- House Ecaz
- House Edomdred
- House Elioz
- House Emar
- House Est
- House Estilon
- House Ezharian
- House Fidbolgs
- House Forbino
- House Genissai
- House Ginaz
- House Guilford
- House Hajns
- House Halleck
- House Harkonnen
- House Hirado
- House Hybla
- House Iasi
- House Ichihara
- House Igal
- House Isfahan
- House Isonzo
- House Ispartha
- House Istaivan
- House Jerodme
- House Jungius
- House Kemic
- House Khumali
- House Kyzyl
- House Lassoki
- House Latzko
- House Lexander
- House Lidoping
- House Lompok
- House Lonsle
- House Ludvonsa
- House Lynwyck
- House Malmusetz
- House Masjed
- House McNaught
- House Medvedev
- House Melui
- House Metulli
- House Menemtahe
- House Meyerwal
- House Molay
- House Moritani
- House Morotai
- House Mustami
- House Mwami
- House Ngara
- House Nicolpri
- House Niembach
- House Noabar
- House Opheiion
- House Orzaba
- House Ordos
- House Ossian
- House Paligo
- House Parakrama-hu
- House Pastran
- House Penchi
- House Phyfe
- House Pibeseth
- House Pinang
- House Plana
- House Polotsvi
- House Qaii
- House Raicnur
- House Reginaud
- House Rejani
- House Rhibera
- House Rhylme
- House Samarama
- House Shahrukh
- House Shi-Lang
- House Sikcunri
- House Spokan
- House Sulaimani
- House Surakarta
- House Tantor
- House Thorgod
- House Thorvald
- House Tiiopa’it
- House Tleilax
- House Togramah
- House Tombe
- House Ttoenne
- House Vernius
- House Vico
- House Villish
- House Wallach
- House Wikkheiset
- House Xingus
- House Yasu
- House Yuzovka
- House Zalmunna