There are only two caucus committees for each major political party. Each party may form a caucus committee in the Senate and in the House of Representatives. 

Caucus Committees    

Committee	Type	Raised	Spent	Debt
HOUSE DEMOCRATIC CAMPAIGN COMMITTEE	Democratic Caucus	2,820,973.65	3,165,316.04	0.00
House Republican Organizational Committee	Republican Caucus	1,582,927.15	1,738,164.62	0.00
Senate Republican Campaign Committee	Republican Caucus	954,964.63	1,037,134.25	0.00
WASHINGTON SENATE DEMOCRATIC CAMPAIGN	Democratic Caucus	1,487,120.08	1,610,009.55	3,000.00