This is the third sting the McLennan County Sheriff's Office has conducted since November and it is the largest one yet.
Loren Morris, of San Antonio, who allegedly has up 15 prostitutes working for her, could also face federal charges.
Detectives posed as underage prostitutes, adult prostitutes and clients after tracking online postings for prostitutes nationwide.
Elijah Muhammad, who was arrested in a previous sting conducted by the McLennan County Sheriff's Office, was also caught this time for allegedly trying to hire a prostitute.
According to Peters, a coalition has been formed to fight human trafficking in the community.