Here you will find a continually updated list of all the legal formations for Warhammer 40k 7th edition. The list is broken down by army.

Adeptus Sororitas

No Formations as of 8-19-2014

 

Astra Militarum

Airborne Assault Formation
1 Commissar, 1 Tempestus Command Squad, 3 Tempestus Scion Squads, 4 Valkyries
Codex Militarum Tempestus

Ground Assault Formation
1 Commissar, 1 Tempestus Command Squad, 3 Tempestus Scion Squads, 4 Taurox Primes
Codex Militarum Tempestus

The Steel Host
1 Tank Commander, 3 Leman Russ Squadrons,1 Hydra
Sanctus Reach: Red Waaagh or WD023

Rampart Detachment
1 Platoon Command Squad, 2 Bullgryn Squads
Sanctus Reach: Red Waaagh

Blood Angels

None as of 8-19-2014

 

Chaos Space Marines

Fallen Champions
Cypher
1-3 Chosen Units
Dataslate: Cypher

Helcult
1 Helbrute, 2 Chaos Cultist Squads
Dataslate: Helbrutes

Helfist Murderpack
5 Helbrutes
Dataslate: Helbrutes

Mayhem Pack
3 Helbrutes
Dataslate: Helbrutes

Chaos Daemons

None as of 8-19-2014

 

Dark Angels

None as of 8-19-2014

 

Eldar

Eldar Ghost Warriors
1 Wraithknight, 2 Wraithlords, 3 Wraithguard/Wraithblade Squads
Dataslate: Ghost Warriors

Dark Eldar

None as of 8-19-2014

 

Grey Knights

None as of 8-19-2014

 

Imperial Knights

Adamantine Lance
3 Knights Paladin or Errants
Sanctus Reach: Red Waaagh

Necrons

None as of 8-19-2014

 

Orks

Ork Warband
1 Warboss, 1 Mek, 1 Unit of Nobz or Meganobz, 6 units of Boyz, 1 Unit of Gretchin
Codex: Orks

Council of Waaagh!
Ghaghkull, Grotsnik, 2 Warbosses, 1 Big Mek, 1 Nob Unit
Supplement: Waaagh! Ghazghkull

Ghazghkull’s Bullyboyz
3 Mega Nob Units
Supplement: Waaagh! Ghazghkull

Da Vulcha Skwad
Boss Zagstruk, 3 Stormboyz Units
Supplement: Waaagh! Ghazghkull

Blitz Brigade
5 Battlewagons
Supplement: Waaagh! Ghazghkull

Dread Mob
1 Big Mek, 1 Painboy, 2 Gorka or Morkanauts, 3 Deff Dreads, 3 Killa Kan Units
Supplement: Waaagh! Ghazghkull

Boss Snikrot’s Red Skull Kommandos
Boss Snikrot, 4 Kommando Units
Supplement: Waaagh! Ghazghkull

Green Tide
1 Warboss, 10 Boy Units
Supplement: Waaagh! Ghazghkull

Gorkanaut Krushin' Krew
3 Gorkanauts
Sanctus Reach: Red Waaagh

Mogrok's Bossboyz
3 Big Meks, 1 Warboss, 1 Weirdboy (ML2)
Sanctus Reach: Red Waaagh

Grukk's Rippin' Krew
Grukk Face-Rippa, Skrak's Skull Nobz, Rustgob's Runts, Krumpa's Killa Kanz
Sanctus Reach: Stormclaw

Skyboss Wingnutz Air Armada
5 Dakkajets, 1 Burna Bommer, 1 Blitza Bommer
Sanctus Reach: Volume 2

Grukk's Goff Killermob
Grukk Face-Rippa, Skrak's Skull Nobz, 3 Units of Boyz, 1 Gorkanaut, 2 Deff Dreds, 1 Unit of Killa Kans
Sanctus Reach: Volume 2

Kaptin Badrukk's Flash Gitz
Kaptin Badrukk, 2 Units of Flash Gitz
Sanctus Reach: Volume 2

Space Marines

Adeptus Astartes Storm Wing
1 Stormraven Gunship, 2 Stormtalon Gunships
Dataslate: Adeptus Astartes Storm Wing

Saint Tylus Battle Force
Chaplain Cassius, 1+ Tyranic War Veteran Squads, 0-6 Stormtalon Gunships
Dataslate: Tyranic War Veterans

Tyranic War Veterans (Unit)
Dataslate: Tyranic War Veterans

Space Marine Reclusiam Command Squad
1 Chaplain, 1 Command Squad, 1 Razorback
Dataslate: Reclusiam Command Squad

1st Company Skyspear Assault Wing
1 Terminator Squad, 1 Terminator Assault Squad, 1 Venerable Dreadnought, 1 Stormraven Gunship
Dataslate: Space Marines Strike Force Ultra

1st Company Hammerfall Assault Force
1 Terminator Captain, 1 Terminator Squad, 1 Terminator Assault Squad, 1 Landraider Crusader OR Redeemer
Dataslate: Space Marines Strike Force Ultra

Strike Force Ultra
1st Company Skyspear Assault Wing
1st Company Hammerfall Assault Force
Dataslate: Space Marines Strike Force Ultra

Space Wolves

The Fierce-Eye's Finest
Krom Dragongaze, The Fierce-eye's Wolf Guard, Hengist Ironaxe's Grey Hunters, Egil Redfist's Blood Claws
Sanctus Reach: Stormclaw

Great Company
1 Wolf Lord, 1 Wolf Guard Battle Leader, 1 Wolf Guard Unit, 5 Units of Grey Hunters, 3 Units of either Blood Claws, Swiftclaws, Skyclaws, 2 Units of Long Fangs
Codex: Space Wolves

Kingsguard Stormforce
Logan Grimnar with Stormrider, 1 Wolf Guard Terminator Unit, 1 Landraider, 1 Stormfang Gunship
Supplement: Champions of Fenris

Brethren of the Fell-Handed
Bjorn the Fell-Handed, 2 Venerable Dreadnaughts
Supplement: Champions of Fenris

Wolf Guard Void Claws
1 Unit of Wolf Guard Terminators
Supplement: Champions of Fenris

Grimnar's Wolf Council
Ulrick the Slayer, Njal Stormcaller, 1 Rune Priest and 1 Iron Priest
Supplement: Champions of Fenris

Arjac's Shieldbrothers
Arjac Rockfist, 1 Unit of Wolf Guard Terminators, 1 Land Raider Crusader
Supplement: Champions of Fenris

Wolf Guard Thunderstrike
1 Unit of Wolf Guard Terminators, 1 Unit of Wolf Guard, 1 Drop Pod
Supplement: Champions of Fenris

The Champions of Fenris
Kingsguard Stormforce, Brethren of the Fell-Handed, Wolf Guard Void Claws, Grimnar's War Council, Arjac's Shieldbrothers, Wolf Guard Thunderstrike
Supplement: Champions of Fenris

Wolfguard Strike Force
1 Wolf Guard Battle Leader, 2 Units of Wolfguard Terminators, 2 Stormwolves
Sanctus Reach: Volume 2

Grimnar's Kingsguard
Logan Grimnar, Arjac Rockfist, 2 Units of Wolf Guard/Wolf Guard Terminators, 2 Land Raiders
Sanctus Reach: Volume 2

Ragnar's Claws
Ragnar Blackmane, 3 Units of Blood Claws, 1 Unit of Skyclaws, 1 Unit of Swiftclaws
Sanctus Reach: Volume 2

Tau Empire

Tau Firebase Support Cadre
1 Riptide, 2 Broadside Units
Dataslate: Tau Firebase Support Cadre

Tyranids

Lictor Forest Brood
5 Lictors
Dataslate: Tyranid Onslaught - Rising Leviathan I

Manufactorum Genestealers
5 Genestealers Broods
Dataslate: Tyranid Onslaught - Rising Leviathan I

Deathleaper Assassin Brood
Deathleaper, 5 Lictor Broods
Dataslate: Tyranid Onslaught - Rising Leviathan I

Broodlord Hunting Pack
3 Genestealer Broods
Dataslate: Tyranid Onslaught - Rising Leviathan I

Gargoyle Bio-Bombs
3 Spore Mine Clusters, 3 Gargoyle Broods
Dataslate: Tyranid Onslaught - Rising Leviathan I

Incubator Node
1 Tervigon, 3 termagant broods
Dataslate: Tyranid Onslaught - Rising Leviathan II

Synaptic Swarm
1 Tyranid Prime, 3 Warrior broods
Dataslate: Tyranid Onslaught - Rising Leviathan II

Skyblight Swarm
1 hvie tyrant, 1 hive crone, 2 harpies, 3 gargoyle broods
Dataslate: Tyranid Onslaught - Rising Leviathan II

Living Arty Node
1 Exocrine, 3 biovores, 1 warrior brood
Dataslate: Tyranid Onslaught - Rising Leviathan II

Endless Swarm
3 termagant broods, 3 hormagaunt broods, 1 warrior brood
Dataslate: Tyranid Onslaught - Rising Leviathan II

Bioblast Node
1 warrior brood, 3 carnifex broods, 1 tyrannofex
Dataslate: Tyranid Onslaught - Rising Leviathan III

Wrecker Node
1 warrior brood, 3 carnifex broods
Dataslate: Tyranid Onslaught - Rising Leviathan III

Tyrant Node
1 Hive tyrant, 1 3 man tyrant guard brood, 1 venomthrope brood
Dataslate: Tyranid Onslaught - Rising Leviathan III

Subterranean Swarm
1 Trygon prime, 1 trygon, 1 mawloc, 3 ravener broods
Dataslate: Tyranid Onslaught - Rising Leviathan III

Living Tide
1 tyrant Node, 1 synaptic swarm, 3 endless swarms, 1 wrecker nod, 1 skyblight swarm
Dataslate: Tyranid Onslaught - Rising Leviathan III