National or International Groups or Ministries:
UCORA - United Christian Off Road Alliance. Forums, club listings, and much more.
Rockcrawlers For Christ - A ministry to rockcrawling events, chaplain services, etc.
4X4 Him.org - Working with clubs, events, articles. etc.
Christian Motorsports Magazine - Ministry.
Team Racers For Christ - Ministry.
God's Rods - Ministry.
Radical Riders - Ministry.
Christian 4x4 Jamboree - A yearly event(s) for believers and non-believers alike. Wheeling, camping, fellowship!
Fellowship of Christian Athletes/Motocross - MC/Ministry.
MXer's For Jesus - MC/Ministry.
Team Faith - MC/Ministry.
Believers on Mountain Bikes - MB/Ministry/Forums.
Canada
Krawlerz Off Road Forums - Not specifically Christian, but run by a brother in Christ.
By State:
Arizona
Arizona Christian Wheelers - Arizona area. 4X4/Club/Forums.
Arkansas
Christian Crawlers 4x4 Club - Arkansas area. 4X4/Club/Forum.
California
4 Wheelers 4 Christ - Southern California area. 4X4/events
4x 4Him Christian Wheelers - In, near and around Fresno, Ca. Club/Forum/Ministry
Christian 4 Wheelers - Central California area. 4X4/Club/Forum.
Extreme Wheelers 4 Christ - Southern California area. Club/Forum.
Sons Of Thunder - Southern California area. 4X4/club/forum.
Christian Motocross.com - Central California area. MC/MX/Ministry.
In The Dirt Ministry - Southern California area. MC/Sand Buggy/Club/Events/Ministry/Forum.
Panic Rev Ministry - MC/MX/Ministry/Forum.
Racers Under The Son - Southern California area. MC/Desert/Club/Events.
Riders For Christ - Southern California area. MC/events/ministries.
Louisiana
MX Revelation - MC/Ministry.
Christian Motocross Club - MC/Club/Ministry.
Michigan
4 Given 4x4 - 4X4/Club/Forums.
N. Carolina
4x4 Grace - 4X4/club/Forums.
Nevada
Uplifted 4x4 - 4X4/club/User Group.
Pennsylvania
Christian Crawlers - 4X4/Club/Forums.
Texas
Christian 4x4 - 4X4/Club/Forums.
Rightline 4x4 - 4X4/Club/Forums.
Trail Riders In Christ - MC/Club/Forums.
Washington
Faith Wheelers - 4X4/Club/Forums.