Concho Valley Orthodox Presbyterian Church is a member of the Southern California Presbytery of the Orthodox Presbyterian Church.  For more information regarding our denomination:
The Orthodox Presbyterian Church

Also:

Presbyterian Church in America

Ligonier Ministries offers many different ways to learn about our Lord and Savior, Jesus Christ. Several of their lectures and teaching series are available for free.

Reformed Church in the United States

United Reformed Churches

Reformed Presbyterian Church of North America

Spanish Reformed Website

Arizona Orthodox Presbyterian Churches:

Calvin Presbyterian Church ~ Phoenix

Prescott Presbyterian Church

Covenant Orthodox Presbyterian Church ~ Tucson

Harvest Presbyterian Church ~ Yuma

Providence OPC ~ Scottsdale

Laveen Presbyterian Church