) -- Restore Our Future, the super PAC that supports Mitt Romney, keeps rolling in the cash thanks to the help of some high-powered business leaders.

The super PAC received some $6.6 million in January, according to the latest Federal Election Commission filing, as well-known public figures littered the list.

Notable donors included Meg Whitman,


(HPQ) - Get Report

CEO, at $100,000; J.W. Marriott,

Marriott International's

(MAR) - Get Report

chief executive, at $250,000; and Richard Marriott, Marriott's chairman, at $250,000.

Other notable January donors to the super PAC that backs Romney include Harold Clark Simmons, chairman of holding company


(VHI) - Get Report

, at $100,000; and Gregory Maffei,

Liberty Media's



CEO, at $100,000.

Three individuals gave $500,000 to Restore Our Future: Joseph Craft, who is CEO of

Alliance Coal

, subsidiary of

Alliance Resource Partners

(ARLP) - Get Report

; Bruce Kovner of hedge fund Caxton Alternative Management; and David Lisonbee,

4Life Research

chief executive.

Restore Our Future spent $13.9 million in January and reported that it had $16.3 million in cash on hand at the end of the period.

-- Written by Joe Deaux in New York.

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