Founder's Commemorative Fountain

Definition
From the Founder page:

The Founder's Commemorative Fountain in The Harbor lists the names and members of all guilds that had at least fifteen members at the end of the headstart period. The headstart period began on February 24th, 2006, and ended with the game's launch on February 28th, 2006.

Current Status
The Commemorative Fountain is located in The Harbor. Due to a web site update in late April of 2013, the information contained in the Fountain went missing. On October 24th, 2013, Community Specialist Cordovan stated that the data had not been lost:

Adar

 * Assassins
 * Bloodrayne
 * Chaos
 * Circle of the black thorn
 * Cult of the dragon below
 * Dark draconians
 * Darkness
 * Dragonlords
 * Dynasty
 * Empire paladin
 * Eridani light horse
 * Farmers o't eastern caribbean
 * Guardian knights
 * Heropsychodreamers
 * Iron talon
 * Lord's of light
 * Madhouse
 * Mimosa lane
 * Phoenix rising
 * Red stick renegades
 * Shadows of the dragon
 * Soul assassins
 * Soulforgers
 * Stairway to valhalla
 * The archangels
 * The dark leage
 * Vengeance
 * Veritas
 * Vision
 * Zeal

Aerenal

 * Arcane order
 * Band of arcane fog
 * Circle of the black thorn
 * Comalies
 * Companions of the realms
 * Corrupted essence
 * Counsel of comrades
 * Defenders of the faith
 * Disciples of the apocalypse
 * Drak's silver legion
 * Erus ex eberron
 * Genocide of divinity
 * Griffon fires
 * Integrity
 * Iron circle
 * Knights of the old code
 * Pee wee's playhouse
 * Red water brigands
 * Rusty pickle jamboree
 * Secrets
 * Skull and bones
 * Super best friends
 * Syndicate-x
 * The old timers guild
 * Vanguarde of syvn

Argonnessen

 * Black company
 * Brothers of the shadow
 * Browncoats
 * Champions of argonnessen
 * Circle of the black thorn
 * Cursed
 * Defenders of aleria
 * Divinity
 * Dragon lord's favor
 * Dragonmark knights
 * Fire of fury
 * Hammer and axe
 * Illuminati
 * Jolly rodger crew
 * Knights of lore
 * Mud
 * Nomads of time
 * Order of the owlbear
 * Order of the silver dragons
 * Order of the ten bucks
 * Phoenix legion
 * Rogue knights
 * Rouge's island
 * Santa inquisicion
 * Silver dragons
 * Soulforge
 * Stormbringers
 * The black company
 * The blades
 * The brotherhood of steel
 * The eternal
 * The knights of siberys
 * The next dimension
 * Tor ieldran
 * Tunnel rats
 * Unity
 * Vamperial vermillion kiba
 * Waking the dragon

Aundair

 * Black claws
 * Black moon society
 * Brassdragon irregulars
 * Brotherhood of the argent eye
 * Chaotic legion
 * Circle of the black thorn
 * Draconigena
 * Dungeon masters
 * Fist of aundair
 * Green guardians
 * Heirs of elhini
 * Intercessionists
 * Keepers of the arcane
 * Keepers of the light
 * Knights of meridian
 * Mark of greatness
 * Northern dominion
 * Order of the dragon
 * Order of the shadowshard
 * Pandora
 * Red dragon covenant
 * Silver pheonix
 * The circle of nine
 * The companions
 * The crimson blades
 * The panumbris
 * The stormreach mercenary co
 * Twilight avengers
 * Usual suspects

Fernia

 * Aftermath
 * Arcane valor
 * Asylum
 * Attic
 * Be loyal until death
 * Brutesquad
 * Church of firman
 * Circle of the black thorn
 * Clan of the crimson claymore
 * Company of blood
 * Dragonglyph
 * Dragonmark
 * Dragonmark alliance
 * Dragon's keep
 * Dragonslayers
 * Einherjar
 * Fellowship of founders
 * Fellowship of the flame
 * Fighters of alternate destiny
 * Fist of the north
 * Gleneagles
 * Hand
 * Hands of the silver moon
 * Indebted
 * Iron phoenix
 * Keepers of the shadow realm
 * Kindred spirits
 * Knights of the emerald rose
 * Knights of the golden order
 * Louisville crew ftw
 * Manhammer's maulers
 * Mimosa lane
 * New outriders
 * Obsidian fear
 * Order of the dragon wing
 * Order of the eight-fold paper
 * Order of the flame
 * Phank
 * Refugees
 * Special needs chldrn of eberon
 * Strength in numbers
 * Talmahra's legendary guardians
 * The adventurer's guild
 * The black sun
 * The bretons
 * The crimson knights
 * The order of dol arrah
 * The order of the dark hand
 * The sundered guard
 * Titans
 * Ultima
 * Unlikely heroes adventuring co
 * Warriors of old kashyyyk

Ghallanda

 * Adventurer's luck
 * Agents of chaos
 * Archons of lu'den
 * Blood guard brotherhood
 * Bregan d'aerth
 * Broken alliance
 * Centurions
 * Champions of eberron
 * Circle of the black thorn
 * Community of might and magic
 * Company of the empty keg
 * Crusaders of filgaia
 * Del durigen
 * Dragonmark lords
 * Drka clan
 * Drow
 * Dungeon masters
 * Ethereal fire
 * Explorers of eberron
 * For blood glory honor
 * Grinders of stormreach
 * Gtb
 * Guardians of stormreach
 * Harpers
 * Heroes of greyhawk
 * House lunara
 * House of vol
 * House paladin
 * Hyperion
 * Inner sanctum
 * Iron circle
 * Ironfist
 * Legends of stormreach
 * Lost soul searchers
 * Midnight militia
 * Mirage
 * Mirage ll
 * Mirage lll
 * Nevermore
 * Old timers guild ii
 * Onslaught
 * Order of the black rose
 * Order of the flamming fists
 * Parental advisory board
 * Rabid beavers
 * Ravenhold
 * Regulators
 * Sacred paradigm
 * Sapphire hand
 * Shadow rangers
 * Shadowguard
 * Sons of stonehammer
 * Stormreach city council
 * Stormreach senate
 * Swords for hire
 * Tenforthehelmet
 * The black dragon
 * The dark hand
 * The ebon council
 * The old timers guild
 * The old timers guild iii
 * The old timers guild iv
 * The twilight dawn
 * The vanguard of dereth
 * The winter brood
 * Titanium lords
 * Travesty of generations
 * Warders of the weald
 * White council

Khyber

 * Adventurers anonymous
 * Aenigma
 * Aenigma de adamas
 * Age
 * All out assault
 * Ancestral guardians
 * Atra decretum
 * Aussie pub crawlers
 * Avatars of eberron
 * Avatars of eberron
 * Blackmoor
 * Blasphemy
 * Blood ravens
 * Brotherhood in arms
 * Brotherhood of shadows
 * Brotherhood of stormbird
 * Bum fight krew
 * Can't crit constructs
 * Champions of asguard
 * Chappa'ai
 * Circle of the black thorn
 * Company of the phoenix
 * Conspiracy
 * Controlled chaos
 * Crimson
 * Crimson hand
 * Crystalguardians
 * Cult of the gargoyle
 * Dark ryder society
 * Dndradio listeners
 * Dragon masters
 * Dreamtime
 * Dungeon inc
 * Dusk
 * Ecce neco
 * Element five
 * Epic
 * Foecleaver
 * Gambit
 * Green cherry
 * Grey wolves
 * Guardians of eternal twilight
 * Guardians of fire
 * Guardians of light
 * Happy hour
 * Havok
 * Honor
 * Invectus solidatus
 * Khyber's legacy
 * Knights of the silver gryphon
 * Knights of the verdant portal
 * L'barra velve
 * Legend of a new republic
 * Legends of germanicus
 * Lexicon
 * Lords of the dragon
 * Mechanical animals
 * Midknights
 * Mournland eternal knights
 * Mournlanders
 * Myrmidons
 * New dawn guild
 * New world order
 * Night's watch
 * Novus ordo seclorum
 * Obsidian knights
 * Order of the demon lords
 * Order of the gryphon
 * Order of the phoenix
 * Order of the silver flame
 * Order of z
 * Paragons of valor
 * Phree's fighting fools
 * Prophecy
 * Reality bites
 * Redemption
 * Sa'ri'tuixe rodinae
 * Sect of the undying court
 * Servants of the mithril blade
 * Shadow company
 * Shadow stalkers
 * Shadowguild
 * Silent but deadly
 * Silver's privateers
 * Soulfire
 * Souls of chaos
 * Starshadow
 * Stormreach defenders
 * Stormreach thieves' guild
 * Sworn by steel
 * Tainted souls
 * The avengean guard
 * The blood of vol
 * The brethren
 * The death guard legion
 * The fancy lads
 * The grey knights
 * The hidden hand
 * The iron fellowship
 * The knights of shadowsfall
 * The legionnaires of light
 * The lost knights
 * The scourge of sharn
 * The shadow thieves
 * The true outcasts
 * The vorpal bunny
 * Third echelon
 * Underworld legion
 * Veil of shadows
 * Wayfareres
 * Witch hunters

Lhazaar

 * Adventurers inc
 * Bilge rats
 * Black company
 * Bloodaxe clan
 * Bloodguard
 * Bloodstorm elites
 * Burning legion
 * Circle of the black thorn
 * Eternal fury
 * Eutopia
 * Fellowship of the golden night
 * Girls adore yiffys
 * Heirs of cyre
 * Jalon's irregulars
 * King
 * Knights of the computer desk
 * Knights of the crimson moon
 * Legends
 * Legion of shadow
 * Legion of souls
 * Luminare
 * Order of chaos
 * Praesidium arcanum
 * Renegade hardware
 * Sonicfirestorm
 * Stonecutters
 * Swords of rathe
 * The band of the hawk
 * The bloody clans
 * The descendants
 * The dragonshard syndicate
 * The order of the steel talon
 * Vn trolls

Mabar

 * Airhawk alliance
 * Beloitians
 * Circle of the black thorn
 * Circulo de liet
 * Clachan brigh
 * Clan wolf
 * Crimson hand
 * Dark winter
 * Deciples of eberron
 * Divine alliance
 * Exalted deeds
 * Extra crispy
 * Fiends
 * Fist
 * Heavyhitters
 * House of the silver oak
 * Immortal
 * Kaaos
 * Legends
 * Lightbringers
 * Morgrave diggers
 * Nightstalkers
 * Noble fist
 * Order of the black claw
 * Order of the blackened rose
 * Plantagenet dynasty
 * Runeguard
 * Seekers
 * Shadowspan brotherhood
 * Shield of stormreach
 * Stormwolves
 * Symbiosis
 * Tavernkeepers
 * Tha smoke
 * The boondock saints
 * The foundlings
 * The heart of darkness
 * The remains
 * Troublesome few
 * Warrior nation
 * Wenches and warlords
 * White wolf clan
 * Xcorps

Riedra

 * Adamantine alliance
 * Archons of chaos
 * Bringers of hope
 * Circle of the black thorn
 * Crimson guard
 * Dorsai
 * Dragonblade
 * Evil smurfs
 * Frostfellian fellowship
 * Maelstrom
 * Merry men of magic
 * Morgrave explorer's union
 * Onslaught
 * Order of the black rose
 * Order of the scarlet leaf
 * Ordo nocti illuminati
 * Phoenix rising
 * Red gauntlet regiment
 * Regulators
 * Riedran legion
 * Thaco
 * The brotherhood of valor
 * The holy grail
 * The mystical order
 * The order of the silver hand
 * The steel curtain
 * The thousand eyes
 * Twin dragons
 * Vagabonds of the setting sun

Sarlona

 * Asylum
 * Carpe arcanum
 * Celtic knights
 * Champions of eberron
 * Chaotic shadows
 * Circle of the black thorn
 * Company of the blind dragon
 * Deadly divas
 * Dragons
 * Dungeon master debaters
 * Eternal darkness
 * Exorcists of the silver flame
 * Fang
 * Fhqwhgads
 * Fighters for freedom
 * Forge
 * Founders of stormreach
 * Frostfell nomads
 * Gems of ebberon
 * Harbingers
 * Heroes consortium
 * Heroes of the red dawn
 * Highlanders
 * Honor unbound
 * House steiner
 * Infamy
 * Keepers of the kingdom
 * Keepers of the valiant guard
 * Knights of winter
 * Law
 * Lords of purgatory
 * Lords of quindia
 * Musenote
 * Nocturnal souls
 * Northern guard
 * Order of siberys
 * Order of the ancient dragon
 * Origin
 * Roving guns
 * Skullriders
 * Sons of denzar
 * Stonecastle
 * Ten ton hammer
 * The anti-guild
 * The blades of light
 * The burning hand
 * The crimson dawn
 * The damned archers
 * The emerald knights
 * The foundation
 * The heavy hand
 * The league of shadows
 * The stormbringers
 * Thelemites
 * Tsukikage
 * Unrest

Tharashk

 * Alliance of the hydra
 * Art of war soldiers
 * Attacks the darkness
 * Circle of the black thorn
 * Conquest
 * Council of elders
 * Darknugget
 * Death incarnate
 * Defenders of the flame
 * Dragons of lore
 * Dungeon masters
 * Exiled
 * Inimicus tenebrae
 * Lords of undermountain
 * Mess
 * Noble blade
 * Order of the gryphon rampant
 * Ordo fiat lux
 * Phoenix guard
 * Prox-xii
 * Reborn
 * Resolution
 * Scallywags
 * Scarab
 * Seekers of ham
 * The forgotten
 * The nameless founders
 * The scarlet serpents
 * Triphaena
 * Xen'drik archaeology team

Thelanis

 * Adversity xen'drik expedition
 * Aegis of dawn
 * Animus
 * Arcane guardians
 * Circle of the black thorn
 * Concillium
 * Dawnswords
 * Descendants of norrath
 * Dragon knights templar
 * Fellowship of crimson scale
 * Founders club
 * Glorph
 * Grey death legion
 * Guardians of the horizon
 * Hand of fate
 * Hellfire
 * Henshin mystics
 * House do'urden
 * House kanadar
 * House of blackrock
 * Ironwolf
 * Legion
 * Legion of doom
 * Mahanaxar
 * Misfits of thelanis
 * Morgrave university explorers
 * Old school
 * Omicron snow leopard
 * Order of eagle's cry
 * Order of the phoenix
 * Order of the wolf
 * Shadowdancers
 * Shadows of vengence
 * Stormhaven
 * Tarrasque
 * The ancients
 * The bawdy apple-squires
 * The brave companions
 * The brotherhood of steel
 * The chosen of mystra
 * The church of tyrilath
 * The council of valenar
 * The exploration society
 * The jive empire
 * The keepers of balance
 * The kith
 * The last guard
 * The lords of light
 * The marked
 * The prismatic arch
 * The shadowed circle

Xoriat

 * Avaunt
 * Bloodhunt
 * Carnival of chaos
 * Challengers of dol dorn
 * Children of battle
 * Chosen
 * Circle of the black thorn
 * Clandestine grandeur
 * Disposable heroes
 * Druids of retribution
 * Elf booty got soul
 * El'lar dobluth
 * Emerald dawn
 * Ex astria
 * Fist of valiance
 * Flotsom and jetsam
 * Guardians of galifar
 * Heroes of the realm
 * House of gigahurtz
 * House of morrigan
 * Illuminati sancti
 * Knights of the round table
 * Legendary exiles
 * Legendary heroes
 * Legendary outcasts
 * Legion
 * Legion of steel
 * Lords of the ebon mists
 * Lords of the maze
 * Lords of valhalla
 * Maelstrom
 * Mindflayers
 * Ministry of abnormality
 * Nasty dragons
 * Nobles of dragonbane
 * Party of the drunken dragon
 * Redemption
 * Rosinantes's recruits
 * Rough necks
 * Rox
 * Saecula saeculorum
 * Sanctum infinitas
 * Sunder
 * The banished
 * The conclave
 * The frostfell enclave
 * The legion of ironfist
 * The lost
 * The talons of khyber
 * Tindi losi
 * Trinovantes dynasty
 * True force
 * Vanguard of the dragon
 * Winter's dawn
 * Zappa's zealots

Dungeons & Dragons Online: Stormreach - DDO Europe Founding Guilds
Note: This list was discovered by forum user ReaperAlexEU using the Internet Wayback service in November of 2013. DDO Europe was a European-focused version of Dungeons & Dragons Online operated separately by Codemasters until August of 2010. This list represents the Founding Guilds for DDO Europe, by server:

Aureon

 * Guild of loony dungeoneers
 * Champions of ruin
 * Northen light
 * Nordheim
 * Covert predatory allies
 * Mystical protectors
 * The flaming fist
 * Causality
 * Good omens
 * The crimson eagles
 * Dragon-clan
 * Weapon masters

Boldrei

 * Gothic
 * The free company
 * Fellowship of the golden night
 * Tempelritter
 * The spellswords
 * Enigma
 * Frozen dawn
 * The lightning league
 * Grievous angels
 * Yggdrasil
 * Lobotomy
 * Flammentempler
 * Red dragon's talon
 * Serendipity
 * Tal'mahe'ra
 * House caska
 * Legends
 * Hellion
 * Core
 * Lykan avengers
 * The companions

Dorn

 * Die heilbringer
 * Flammentempler
 * Bewahrer der welten
 * Der stern eberrons
 * Die morgrave-expedition
 * Vanitas empire
 * Gothic'

Lyrandar

 * Knights of shadow
 * Uhhdoo
 * Signori di eberron
 * Embers
 * The dungeon keepers
 * Ragnarok
 * Caballeros de hispania
 * The awakening
 * Bloodlust
 * The rusty nail's adventurers
 * Clanuk
 * Guardians of the rose
 * Omega
 * Innocence
 * Thunders roar
 * Stormreach dungeoneering co
 * All seeing eye
 * Ac legend
 * Nightcrawlers
 * Dassanev
 * Pillars of courage

Onatar

 * Maitres cartographes d'eberron
 * La lune rousse