O'Brien et al. Advertising is an advertising, brand marketing, broadcasting, and media production company. They are large enough to do it all - branding, public relations, media, interactive design, web development, and promotional items. They broke the mold over 15 years ago, by adding video production and professional photography to all full-service, in-house capabilities. All the digital advertising and social marketing teams are on top of the latest tools to deliver the right message, at the right time, on the right platforms.