In addition to Spielberg, who directed 'War Horse' and 'Saving Private Ryan,' Dreamworks and HBO's Richard Plepler have met with the author.
'He is still talking to DreamWorks and Spielberg,' a source told The New York Post, according to Daily Mail, London.
This would be the third movie to tell the story of the raid that killed the mastermind of the September 11 terrorist attacks.
'Zero Dark Thirty,' directed by Oscar-winner Kathryn Bigelow will open December 19. Sony pushed back its opening to after the presidential election after it was revealed Bigelow was granted special access to the Pentagon and the CIA to make the movie.
The Weinstein Company has suggested it could release its own film about the May 2011 commando raid in Pakistan, 'Code Name Geronimo' before the election.
But for the retired Navy SEAL-turned-author, the story is giving him some unwanted attention.
An official al-Qaeda website on Friday posted a photograph and the name of the former Navy commando responsible for the book, calling him 'the dog who murdered the martyr Sheikh Osama bin Laden.'