SCI | 1,615 followers on LinkedIn. CrossMedia (a WPP company) | SCI was merged and sold to WPP in 2010. SCI drives action and interaction between your clients and your business VISION Our focus is to activate our clients’ businesses to become a Leader in Cross Marketing Services across America. Should remember that SCI as an extension of our marketing department, focused on bridging the gap between Marketing & Sales, by giving to all the internal and external people involved in the sales process the tools that they need to be ready, efficient and focused on driving sales.