The Charter Members of TADRO are the original founders of the organization in 1985 and they are Harris County DRO, Tarrant County DRO and Travis County DRO. The charter members have been joined by other member offices to give TADRO a broad and dynamic statewide mission.

The mission of TADRO is to provide training, information on best practices and share information among the member DRO's and to provide educational and informational services to the public. Information and services are related to the collection, recording and disbursement of child support, enforcement of orders providing for support and possession of and access to children, enforcement of orders for child and medical support, custody evaluations, social studies for private adoptions and information, referral and counseling to assist parties affected by such orders.

TADRO is an affiliate of the Texas Association of Counties.