[Patient Zero]

Original:
The Bavarian Illuminati
The Bermuda Triangle
The Discordian Society
The Gnomes of Zurich
The Servants of Cthulhu
The UFOs
Antiwar Activists
Big Media
Boy Sprouts
Cattle Mutilators
CFL-AIO
C.I.A.
Cycle Gangs
Democrats
Eco-Guerrillas
Elders of Zion
F.B.I.
Feminists
Fiendish Flouridators
Fred Birch Society
Gun Lobby
Hollywood
International Cocaine Smugglers
International Communist Conspiracy
I.R.S.
KKK
Local Police Departments
Madison Avenue
The Mafia
Moonies
Moral Minority
Multinational Oil Companies
Nephews of God
Parent/Teacher Agglomeration
The Phone Company
Post Office
Punk Rockers
Reformed Church of Satan
Republicans
Science Fiction Fans
Semiconscious Liberation Army
SMERSH
SMOF
Society for Creative Anarchism
South American Nazis
The United Nations
Wargamers
Bribery
Computer Espionage
Deep Agent
Interference
Interference
Market Manipulation
Media Campaign

Expansion 1:
The Society of Assassins
American Autoduel Association
Clone Arrangers
Comic Books
Fast Food Chains
Federal Reserve
Fifth International
Flat Earthers
Fraternal Orders
Girlie Magazines
Goldfish Fanciers
Hairdressers & Interior Decorators
Intellectuals
Libertarians
Loan Sharks
Morticians
Pentagon
Phone Phreaks
Survivalists
Tobacco & Liquor Companies
Triliberal Commission
Assassination
Murphy's Law
Senate Investigating Committee
Swiss Bank Account
Blank Group Cards (2)

Expansion 2:
Blank Group Cards
The Network
Anti-Nuclear Activists
California
Convenience Stores
Fnord Motor Company
Health Food Stores
Joggers
Junk Mail
L-4 Society
Mad Scientists
New York
Nuclear Power Companies
Orbital Mind Control Lasers
Preppies
Professional Sports
Psychiatrists
Robot Sea Monsters
Texas
Trekkies
Underground Newspapers
Video Games
Secrets Man Was Not Meant to Know
Slush Fund
Whispering Campaign
White Collar Crime
Blank Illuminati

Expansion 3 had 3 Illuminati cables suggested, but no cards developed...

Sorry about the length...