Trinity University in San Antonio might be worth a look: https://www.trinity.edu/directory/departments-offices/student-financial-services/financial-aid/scholarships?f[0]=scholarship_type%3A3931
Centre College in Kentucky has the Grissom Scholars and Lincoln Scholars scholarships which are full ride: Scholarships & Fellowships | Centre College
Southern Illinois University at Carbondale has the Chancellor’s Scholarship, which is full ride: Incoming Freshmen | Undergraduate Academic Scholarships | SIU
Mercer University in Georgia participates in the Stamps Scholars program, which offers a full ride: https://www.stampsscholars.org/2012/11/01/mercer-university-macon-ga/. As @tsbna44 has mentioned upthread, the competition for Stamps Scholarships (or any full ride scholarship, for that matter) is going to be stiff.