The Big Three, Plus One: Home builders Lennar, Pulte Homes and D.R. Horton nicknamed “the Big Three” continue to dominate in Southwest Florida. But they are running out of land on which to build in Lee County, other than off Corkscrew Road, where thousands of homes are already being planned and built. That means the strategy for the future shifts to Charlotte County, said Darin McMurray, the regional vice president for Lennar.