Interseller - Interseller helps find contact information, reach out to them with email automation and syncs it all into your database.
6sense - 6sense is a B2B predictive intelligence engine for marketing and sales.
Saleshood - SalesHood is a sales productivity SaaS platform engaging salespeople to share best practices and learn from each other.
Demandbase - Bizo
Close - A CRM with built-in calling, SMS, and email
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.