WordStream - WordStream offers a suite of products to help companies with their SEO and SEM initiatives.
Synthesio - Synthesio is a social intelligence tool or a marketing software that is specially made for the purpose of social media monitoring and social analytics.
Marin Software - Optimize your Search, Social & Display ads across channels and devices. Marin Software, the leading cross-channel performance advertising platform.
Swift Social - All-in-One Social Media Growth and Management Tool
Kenshoo - Kenshoo provides marketing software and empower marketers with technology to build brands and generate demand across all media.
Opteo - Opteo searches for statistically significant patterns in an account and creates "optimization tasks" to improve account performance.