Trinity Reformed Church Home Page
- Bowie, MD. Contact information, pastor's message, worship schedule, directions to church.
- http://ourworld.cs.com/opcmidatlantic/TRC/

Covenant Orthodox Presbyterian Church
- Burtonsville, MD. Worship schedule, upcoming events, contact information.
- http://www.covenant-op.org

New Hope Presbyterian Church
- Frederick, MD. Contact information, weekly bulletins, limited sermon archive in .mp3 format, directions to church.
- http://www.newhopeopc.org

First Orthodox Presbyterian Church
- Baltimore, MD. Meeting times and contact information for the church.
- http://ourworld.cs.com/opcmidatlantic/firstopc.html

Columbia Presbyterian Church
- Columbia, MD. Church ministries, missions, upcoming events, profiles of church staff, contact information, driving directions.
- http://www.cpc-opc.org/