Herman Cain, Ron Paul, Rick Santorum, Michele Bachmann, Newt Gingrich and Rick Perry on Saturday will address a group of social conservatives in Iowa opposed to gay marriage.

About 1,000 conservatives are expected at the nationally televised Iowa Faith and Freedom Coalition's eleventh annual Fall Banquet and Presidential Candidates Forum in Des Moines, Iowa.

The group, part of Ralph E. Reed Jr.'s Faith and Freedom Coalition, describes itself as “a 21st century version of the Christian Coalition.” Reed has said his coalition is designed to act as a bridge between the tea party movement and evangelical voters.

Not taking part in the event is former Massachusetts Governor Mitt Romney.

Conservatives weigh heavily in early caucus state Iowa, where a clear favorite has yet to emerge.

This election cycle, “people are still disenfranchised with the candidates,” Dave Davidson, host of the weekly online radio show Stuck on Huck, told the Des Moines Register.

“I talk to Huck people every week on the radio, and they're still holding out,” he said, referring to supporters of former presidential candidate and conservative celebrity Mike Huckabee.

Pastor Cary Gordon of Sioux City's Cornerstone church said momentum for Santorum was increasing because, unlike Perry, Cain and Bachmann, the former Pennsylvania senator doesn't “use the 10th Amendment as a shield” to allow states to decide on gay marriage.

In a recent interview, Santorum pledged to give up his life battling against marriage equality.

The event starts at 6PM and will be televised on C-SPAN.