Air Power Owners Group 
Dedicated to markers produced during the late 80's and early 90's including the Apex, Apex Elite, and Vector. Includes articles, FAQ, forum, gallery, and links.
http://airsoldier.com/~apog/Spyder Enthusiasts of America
Discussion forum, classified ads, photo gallery, links, FAQ, and a searchable member database for owners and admirers of the Spyder series of markers.
http://www.spyderea.net/
Automags Online
Official group containing pictures, articles, upgrading information, forum, news, and links concerning the Automag, MiniMag, RT, and the new E-Mag.
http://www.automags.org/
VM Empire
Dedicated to the VM-68. Features a forum, classified ads, chat room, troubleshooting, upgrades, articles, reviews, and links. Also features an image gallery of VM pictures.
http://www.vmempire.com/
Adrenalin Angel Association
Features pictures and a message board.
http://www.geocities.com/adrenalinangelassociation/
Palmer Owners Group (POG)
Features news, a discussion forum, chat room, articles, a picture gallery and classified ads for markers designed by Glenn Palmer.
http://www.paintmagazine.com/pog/
KP Owners Group
Technical information, serial number list, links, war stories, forum, and chatroom for owners of KP Series paintball markers by Sheridan.
http://members.tripod.com/kpog/
Angel Owners Group
Dedicated to WDP markers. Includes technical information and forums.
http://www.angel-owners.com/
The SpyderZone
News, articles, technical support for Spyder markers.
http://www.spyderzone.net/
Endless Paintball
An internet resource for the Autococker. News, reviews, articles, services, and photographs.
http://www.endlesspb.com/
M. Carter Brown
An online community of collectors of old and rare paintball equipment. Includes forums, directory of owners, and a gallery of classic markers.
http://www.mcarterbrown.com
Brass Eagle Owners Group
The Brass Eagle Owners Group is a site for all BE, JT and VL owners to come and discuss their paintball activities. The BEOG provides, in addition to discussion forums, technical resources, a chat room, commentary, a photo gallery and event coverage.
http://www.beog.org/
Pro Carbine Owners Group
Information on Tippmann semi-automatic markers.
http://procarbine.homestead.com/pcog.html
