United States Federation of Airsoft Standards and Training
A nonprofit organization working to keep airsoft legal and to create standards in the US. Includes a discussion forum, news listing, and incident submission form.
http://www.fast-us.org/

SOCAL Airsoft
League in Southern California. Provides news, forum, schedule, field list and directions, calendar, rules, FAQ, photos, and related links.
http://www.socalairsoft.com

Team Airsoft
League based in Dawsonville, Georgia. Includes field photos, rules, events, and waiver and gear reviews and technical information. Also provides league details including teams, player profiles, and game scenarios.
http://www.teamairsoft.com

Sacramento Airsoft League
League based in Sacramento, California. Includes forums, events, photos, and related links.
http://www.sacairsoft.com

Virginia Airsoft Force
Statewide airsoft organization. Features information on games, guns, teams and major events and has a picture gallery and discussion forum.
http://www.virginiaairsoft.org/

Kansas City Airsoft Association
Holds military-based simulations in woodland environments. Features a player database, photo gallery, and a discussion forum with FAQs and information for new players.
http://www.kcairsoft.com

Mid-Atlantic Airsoft Player's Registry
Gathering place with a focus on players in the Mid-Atlantic region. Includes message board, glossary, articles, equipment reviews, beginners guide, history, photos, and related links.
http://www.maapr.com

SoCal Airsoft | Razorbacks
Southern California Airsoft Team offering information, education and support to the sport of Airsoft
http://razorbackairsoft.com

Michigan Airsoft Group
Provides equipment reviews and user forums.
http://ajtripl2.tripod.com/magflashentrance/

National Airsoft Tactical Operations
Airsoft organization primarily for players in the Southeastern US. Includes a discussion forum, gear reviews, articles, events calendar, and links to member sites.
http://www.natocommand.com

Central Missouri Airsoft
Based out of Jefferson City, Missouri. Has forums, product reviews, and local event listings.
http://www.cenmoairsoft.com/

Airsoft Iowa
Statewide airsofting organization featuring discussion forum, product reviews, new player guide, and an events calendar.
http://www.airsoftiowa.com/

Milsim Finland
Organization in Finland that hosts milsim Airsoft games. Features a discussion forum, image gallery, and airsoft-related articles.
http://www.milsim.fi

Airsoft Bulgaria
Bulgarian Airsoft community. Features discussion forum, equipment reviews, image gallery, and information on the sport.
http://www.airsoftbulgaria.com