Avenue A will no longer be online agency of record for AT&T Wireless Services Inc. The transition is expected to occur during the third quarter and will affect most of Avenue A's online activities on behalf of AT&T Wireless.

NYC2012, the committee leading New York City's bid to host the Olympic Games in 2012, announced that R/GA has been chosen as its new web Agency of Record. R/GA has launched an initial design for NYC2012's website (www.NYC2012.com). R/GA was chosen to create a new and expanded online presence for NYC2012 and to handle all web functions, including redesign, maintenance, development of email marketing programs and development of more robust web functionality for the international phase of the bid competition.

NKH&W, Inc. has been named agency of record for the 3M Medical Division.

Miller Brewing Co. has dropped J. Walter Thompson from its agency roster. The agency's Chicago office handled the Miller Genuine Draft and Foster's Lager brands.

Townsend Inc. has been signed as the agency-of-record for BIOCOM, a regional trade association for the life science industry. Townsend will position BIOCOM and the San Diego regional life science industry as a leader on the global stage. In order to attain this goal, the campaign may include international public relations, brand strategy development, advertising, community outreach and enhanced member services.

Midas has selected Omnicom Group Inc.'s DDB Chicago Inc. as its lead national advertising agency. Carat USA will continue as Midas' media planning and buying agency in the U.S.

Samsonite Company Stores has appointed BVK/Meka as the advertising agency to conduct Hispanic communications in the U.S. The first assignment will be a test market promotional campaign in Dallas, TX that will run during third quarter.

Fallon has won the creative portion of the Subway account. The agency beat out independent Wieden + Kennedy in Portland, Ore., Deutsch in New York, and Goodby Silverstein & Partners in San Francisco.

The Coca-Cola Co. is looking for creative ideas on its Sprite account. Incumbent Ogilvy & Mather has been invited to participate.

Six Flags has narrowed the review for its $90 million global creative and media business to four agencies. They are incumbent Ackerman McQueen in Oklahoma City; Doner in Southfield, Mich.; Fallon in Minneapolis; and Deutsch/LA.