Descrição Web integration is the anthem for U.S. Interactive (USI). The technology services firm offers expertise in developing and implementing a variety of e-business systems to help companies interact with their customers, partners, and suppliers. It specializes in developing billing, provisioning, customer relationship management (CRM), and other operational support systems (OSS) applications for companies in the telecommunications industry, including Internet service providers, wireless carriers, and broadband media companies. Founded in 1991, USI operates through offices in Germany, India, the UK, and the US.