Paul has declared his opposition to the United States' participation in the United Nations and the WTO.
Paul has said that the health care overhaul passed last year is unconstitutional. He opposes cap-and-trade legislation and the Patriot Act, and he is skeptical of U.S. involvement in Afghanistan.
Represents northeast Indiana, including Fort Wayne.
Stutzman was sworn in on Nov. 16, as he was also elected in a special election to replace Rep. Mark Souder, who resigned in a scandal surrounding an extra-marital affair.
Now 34 years old, Stutzman was elected to the Indiana State House of Representatives in 2002 when he was only 26.
Represents the rural Western Slope district
Tipton was elected with Tea Party backing, but only after he defeated a Tea Party and Sarah Palin-supported opponent in the primary.
A self-made multimillionaire, Tipton founded a pottery company with his brother.
When he was 19, Tipton was the youngest delegate to the 1976 GOP Convention, after working for Ronald Reagan's campaign that year.