There is a new PCA mission plant in the Killeen/Harker Heights area. While the web site isn't encouraging, it is targeted at the military community. Preacher is Covenant trained and retired military.
Reformation Church in Boerne, TX. Bill Mencarow is Pastor, nice guy. It's an independent Church, exclusive non-instrumental psalmody, paedobaptist. Bill was a Ruling Elder at my PCA Church 15 years ago.