Robots created by Alan von Neumann Jr.

The army that fought to preserve the union in the US Civil War.

The Union Jacks are a group of soldiers that are biologically engineered to be the perfect fighting force.

U.N.I.T. (United Nations Intelligence Task Force, later the Unified Intelligence Taskforce) is a military organization dedicated to investigating and defending against extraterrestrial incursions.

Unit Aleph is an Israeli superhero team that are on amicable terms with Stormwatch.

An intergalactic Army that was led by Nova and other heroes to fend off Annihilus and his forces during the Annihilation story arc.

The United Nations is an international organisation, dedicated to facilitating world peace. It was brought into being to replace the failed League of Nations, which had similar aspirations but fell victim to internal squabbles.

A team of cloned supersoldiers working for United Nations.

In the 31st century the United Planets acts as a United Nations of the Universe. They use the Legion of Super-Heroes and the Science Police as their peace keepers.

A Division of Green Lantern Corps created by the United Planets corrupt Lord Premier Thaaros.

Cosmic team composed by Silver Age characters.

A team formed by the United Planets of teen heroes, in the Earth Prime continuity.

The United Science Patrol (USP) is a secret international organization that handles alien and kaiju related threats to Earth.

The airborne branch of the United States Armed Forces.

The land-based branch of the United States Armed Forces.

They are showed into Contagion Story Arc.

Guardians of America's coastlines since 1790.

Includes both the United States Senate and the United States House of Representatives.

A federal department responsible for agriculture, farming and food in the United States. The U.S.D.A. has appeared in multiple different comics from multiple different publishing companies.

Formerly the United States Department of War. Controls all operations the American military.

A United States cabinet department that works in the civilian sphere to protect the US from foreign and domestic terror threats, as well as natural disasters.

They deal with our money, so you better respect them!

United States Environmental Protection Agency.

The lower house of the United States Congress.

A branch of the United States Armed Forces, based as an expeditionary force at sea.

United States Federal law enforcement agency and is the enforcing body of the US Federal Courts.

The United States National Guard.

The naval warfare-based branch of the United States Armed Forces.

A gestapo like group of enforcers for the dystopian version of America seen in Escape from New York & L.A.

United States federal agency concerned mainly with the protection of federal leaders and foreign dignitaries.

The upper house of the United States Congress.

A special operations force within the United States army. They have six primary missions: foreign internal defense, special reconnaissance, direct action, hostage rescue, counter-terrorism, and unconventional warfare.

A religious cult with a large influence over several organizations. It was created by Michael Altman after discovering a Black Marker, an alien object.

Pastiche of the Super Friends in the Powers Universe.

The famous group of monsters from the Universal horror films. When they come together they are usually led by Dracula.

The Universals are cosmic beings that preserve life. They work on a plane so much higher than anything else that no being that was not one of them could ever understand what they do or what they are.

A team of supervillains with healing factors brought together by Contagion.

Comissioner Gordon leads a group of heroes, anti-heroes and villains with the common goal of surviving the zombies and protecting the orphans under their care.

UCWF only employed superpowered individuals and had them compete in the ring.

One eyed alien race from the Invincible Universe. They are very advanced in the ways of genetic manipulation and significantly more advanced than Human technology.

Amalgam version of the Inhumans and the Forever People

A team of techno-anarchists, seeking to change Gotham.

Malevolent fairies in Scottish folklore

The Untouchables are a team of criminals with the ability to go intangible.