HTML5, CSS3, Javascript, JQuery, PHP, Flash, SEO best practices I've had the pleasure of doing work for company's such as Coca-cola, Mentos, Luxottica Retail (Lenscrafters, Pearl Vision, Sears and Target Optical, OneSight, etc.), The Dover Corporation, Champion Home Exteriors, and many smaller independently owned companies in both a b2b and b2c capacity.