Arrowhead Ranch ABA Therapy for Children with Autism Spectrum Disorder in AZ Our Arrowhead Ranch ABA Therapy center provides services for early learners, school-age children, and teens on the Autism Spectrum. Applied Behavior Analysis (ABA) therapy is the leading treatment method to improve the signs and symptoms associated with Autism Spectrum Disorder (ASD). How our Arrowhead Ranch ABA Therapy Clinic is Different At ABC, our goal is to be the best Applied Behavior Analysis Therapy clinic, not necessarily the biggest. We have an extremely selective hiring process to ensure our kiddos are able to receive the highest quality of ABA therapy services.