Travel Agencies and Services MarketResearch.com The US travel service industry includes less than 20000 companies with combined annual revenue of $40 billion. Large companies include Carlson Wagonlit ... Ten tips for holiday travelCanada.com Can the Words “Eco” & “Travel” Ever Go Together?Triple Pundit New Travelocity “Microsite” Makes It Easy and Affordable to Go Green on VacationSYS-CON Media (press release) Live-PR.com (press release) all 11 news articles »