1. Sales tool for LinkedIn users.

  2. Clearbit provides Business Intelligence APIs

  3. RainKing is a marketing system that supports sales teams with enterprise leads, customer leads and marketing in the IT sector.

  4. DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.

  5. Clearbit Connect is a free extension that surfaces actionable information on the people who email you.

  6. InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.

  7. The ultimate all-in-one sales platform. Lead generation, email automation, sales workflows, predictive insights and reporting under one roof

  8. The sales prospecting tool powered by technology data

  9. Build relationships, grow sales.

  10. ConnectLeader is an intelligent sales acceleration platform that delivers revenue growth and sales productivity.

  11. Private company intelligence -- discover, diligence, and track over 350,000 private companies

  12. SimilarTech offers a Sales Insights platform which helps companies uncover their ideal market by crawling the sourcecode of over 300M sites.