The Republican super PAC backed by House leadership is expanding its field program by opening new offices in six GOP-held districts.

Congressional Leadership Fund now has a 17 field offices across the country.

CLF this cycle has put a premium on early ground operations, using data to contact voters early and determine what issues are most salient to them. CLF had a robust field presence in the competitive special elections earlier this year in Montana and Georgia. The group has made two million voter contacts so far.

“Our data-driven field program is expanding, but more importantly, our staff and interns are building relationships and having ongoing conversations with voters across key congressional districts fourteen months before the midterm elections,” Corry Bliss, CLF Executive Director, said in a statement.

The new offices are in the following districts: