What does ATB stand for?

What does ATB mean?

ATB	All The Best Internet » Chat
ATB	Across The Board Governmental » US Government
ATB	All Terrain Bike Governmental » Transportation
ATB	Active Time Battle Governmental » Military
ATB	All Terrain Boarding Miscellaneous » Hobbies
ATB	All Terrain Bicycle Community » Sports
ATB	Associative Topology Bus Computing » Networking
ATB	Asphalt Treated Base Governmental » Transportation
ATB	America The Beautiful Community » Music
ATB	Amazon Tree Boa Medical » Veterinary
ATB	Active Time Bar Miscellaneous » Unclassified
ATB	Automated Ticket And Boarding Governmental » Transportation
ATB	Articulated Tug and Barge Governmental » Transportation
ATB	Association Tripartite Bourses Business » General
ATB	Above-ground Telecommunications Backbone Computing » Networking
ATB	Advanced Training Base Governmental » Military
ATB	Aviation Test Board Governmental » Military
ATB	Above-ground Telecommunications Backbone Computing » Telecom
ATB	Accounting Terminology Bulletins Business » Accounting
ATB	Ability Tone Black Community
ATB	Automated Ticketing and Boarding Governmental » Transportation
ATB	Active Timed Battle Miscellaneous » Unclassified
ATB	Asked To Buy Miscellaneous » Unclassified
ATB	Automated Torpedo Boat Miscellaneous » Ship Types
ATB	American The Beautiful Miscellaneous » Unclassified