BlueSteps is owned and operated by the Association of Executives Search Consultants, the international body representing the retained executive search sector. The AESC has over 300 member search firms in 74 countries, who handle over 50,000 senior-level opportunities every year. AESC members use BlueSteps to source executive talent for senior level positions. 

Link Silicon Valley (LinkSV), LLC, has over 10,700 companies comprised of IPO companies, startups, acquired or liquidated companies, and VC firms.The core information includes contact information of key management, outside board members, VCs, customers, strategic partners, and other information typically found in corporate press releases. You can view information, which is updated daily, from lots of different angles and "connect all the dots."