1. America's Independent Party (2008)
2. Socialist Equality Party (2008)
3. Independence Party of America (2007)
4. Modern Whig Party (2007)
5. Jefferson Republican Party (2006)
6. Moderate Party (2006)
7. Boston Tea Party (2006)
8. New American Independent Party (2004)
9. Party for Socialism and Liberation (2004)
10. Unity Party of America (2004)
11. American Patriot Party (2003)
12. Veterans Party (2003)
13. Populist Party of America (2002)
14. America First Party (2002)
15. Marijuana Party (2002)
16. American Heritage Party (2000)
17. Independent American Party (1998)
18. Working Families Party (1998)
19. American Reform Party (1997)
20. Libertarian National Socialist Green Party (1997)
21. Reform Party of the United States of America (1995) - currently divided - two factions both named "Reform Party"
22. Labor Party (1995)
23. American 3rd Party (1990's)
24. Freedom Road Socialist Organization (1986)
25. Socialist Alternative (1986)
26. Socialist Action (1983)
27. Expansionist Party of the United States (1977)
28. Revolutionary Communist Party, USA (1975)
29. National Socialist Movement (1974)
30. New Union Party (1974)
31. Socialist Party of the United States of America (1973)
32. American Party (1969)
33. Youth International Party (commonly known as the Yippies) (1967)
34. Freedom Socialist Party (1966)
36. Workers World Party (1959)
37. Workers Party, USA (1940)
38. Socialist Workers Party (1938)
39. Communist Party USA (1919)
40. World Socialist Party of the United States (1916)
41. Socialist Labor Party (1876)
42. Prohibition Party (1867)
Yopu forgot the “Torch and Pitchfork” Party.
You know, those who advocate burning at all down so they can groove and whine on the rubble.