Demandbase - Bizo
Clearbit - Clearbit provides Business Intelligence APIs
Triblio - Triblio is an account-based marketing software that enables marketers to personalize multichannel campaigns to reach their target audience.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
HubSpot ABM Software - HubSpot ABM Software is a smart enterprise-based tool for dealing with accounts and sales marketing to bring all the accounts collaborations on one centralized platform.
InsideView - InsideView aggregates and curates all the company and contact data, news and social insights, and professional connections you need to do business better.