Factbox: Contenders for key jobs in Trump's administration

Below are people mentioned as contenders for senior roles. See end of list for posts already filled.

TREASURY SECRETARY

* Steven Mnuchin, former Goldman Sachs Group Inc executive and Trump's campaign finance chairman

* Jeb Hensarling, U.S. representative from Texas and chairman of the House Financial Services Committee

* Jamie Dimon, JPMorgan Chase & Co chief executive officer

* Tom Barrack, founder and chairman of Colony Capital Inc

* Jonathan Gray, global head of real estate at the Blackstone Group

SECRETARY OF STATE

* Mitt Romney, 2012 presidential nominee and former Massachusetts governor

* Rudy Giuliani, former mayor of New York City

* Nikki Haley, governor of South Carolina

* John Bolton, former U.S. ambassador to the United Nations under President George W. Bush

* Bob Corker, U.S. senator from Tennessee and chairman of the Senate Foreign Relations Committee

* Zalmay Khalilzad, former U.S. ambassador to Iraq

DEFENSE SECRETARY

* James Mattis, retired Marine general

* David Petraeus, former CIA director and retired general

* Tom Cotton, U.S. senator from Arkansas

* Jon Kyl, former U.S. senator from Arizona

* Duncan Hunter, U.S. representative from California and early Trump supporter, member of the House Armed Services Committee

* Jim Talent, former U.S. senator from Missouri who was on the Senate Armed Services Committee

* Kelly Ayotte, outgoing U.S. senator from New Hampshire and member of the Senate Armed Services Committee

* Rick Perry, former Texas governor

HEALTH AND HUMAN SERVICES SECRETARY

* Tom Price, U.S. representative from Georgia who is an orthopedic surgeon

* Rick Scott, Florida governor

* Rich Bagger, former pharmaceutical executive and former top aide to New Jersey Governor Chris Christie

* Bobby Jindal, former Louisiana governor

HOMELAND SECURITY SECRETARY

* Michael McCaul, U.S. representative from Texas and chairman of the House Homeland Security Committee

* David Clarke, Milwaukee county sheriff and vocal Trump supporter

* Joe Arpaio, outgoing Maricopa County, Arizona, sheriff who campaigned for Trump

* Kris Kobach, Kansas secretary of state

ENVIRONMENTAL PROTECTION AGENCY ADMINISTRATOR

* Jeff Holmstead, energy lawyer, former EPA official during George W. Bush administration

* Robert Grady, venture capitalist, partner in private equity firm Gryphon Investors

* Leslie Rutledge, Arkansas attorney general

* Carol Comer, commissioner of the Indiana Department of Environmental Management

ENERGY SECRETARY

* Harold Hamm, Oklahoma oil and gas mogul, chief executive of Continental Resources Inc

* Kevin Cramer, U.S. Representative from North Dakota

* Robert Grady, venture capitalist, partner in private equity firm Gryphon Investors

* Larry Nichols, co-founder of Devon Energy Corp

* James Connaughton, chief executive of Nautilus Data Technologies and a former environmental adviser to President George W. Bush

* Rick Perry, former Texas governor

INTERIOR SECRETARY

* Sarah Palin, former Alaska governor, 2008 Republican vice presidential nominee

* Jan Brewer, former Arizona governor

* Forrest Lucas, founder of oil products company Lucas Oil

* Harold Hamm, Oklahoma oil and gas mogul, chief executive of Continental Resources Inc

* Robert Grady, venture capitalist, partner in private equity firm Gryphon Investors

* Mary Fallin, Oklahoma governor

* Ray Washburne, chief executive of investment company Charter Holdings

COMMERCE SECRETARY

* Wilbur Ross, billionaire investor, chairman of Invesco Ltd subsidiary WL Ross & Co

* Linda McMahon, former World Wrestling Entertainment executive and two-time Senate candidate

DIRECTOR OF NATIONAL INTELLIGENCE

* Admiral Mike Rogers, director of the National Security Agency

* Ronald Burgess, retired lieutenant general and former Defense Intelligence Agency chief

* Robert Cardillo, director of the National Geospatial-Intelligence Agency

* Pete Hoekstra, former U.S. representative from Michigan

UNITED NATIONS AMBASSADOR

* Kelly Ayotte, outgoing U.S. senator from New Hampshire and member of the Senate Armed Services Committee

* Richard Grenell, former spokesman for the United States at the United Nations

* Peter King, U.S. representative from New York

* Tulsi Gabbard, a war veteran and Democratic U.S. representative from Hawaii

U.S. TRADE REPRESENTATIVE

* Dan DiMicco, former chief executive of steel producer Nucor Corp

LABOR SECRETARY

* Andrew Puzder, chief executive officer of CKE Restaurants

* Victoria Lipnic, U.S. Equal Employment Opportunity Commission commissioner and former Labor Department official during the George W. Bush administration

SUPREME COURT VACANCY

The Trump transition team confirmed he would choose from a list of 21 names he drew up during his campaign, including U.S. Senator Mike Lee of Utah, and William Pryor, a federal judge with the 11th U.S. Circuit Court of Appeals.

POSTS ALREADY FILLED

WHITE HOUSE CHIEF OF STAFF

* Republican National Committee Chairman Reince Priebus

CHIEF WHITE HOUSE STRATEGIST AND SENIOR COUNSELOR

* Steve Bannon, former head of the conservative website Breitbart News

ATTORNEY GENERAL

* Jeff Sessions, Republican U.S. senator from Alabama and senior member of the Senate Judiciary Committee (subject to Senate confirmation)

CENTRAL INTELLIGENCE AGENCY DIRECTOR

* Republican U.S. Representative Mike Pompeo from Kansas (subject to Senate confirmation)

NATIONAL SECURITY ADVISER

* Michael Flynn, retired Army lieutenant general and former director of the Defense Intelligence Agency

(Reporting by Ginger Gibson, Richard Cowan, Caren Bohan and Steve Holland; Editing by Frances Kerry and Peter Cooney)