IBM Mainframe Customers Marketing Database is a repository of accurate and well-segmented contact details of IBM Mainframe users. It helps you to directly connect with decision-makers from companies using IBM Mainframe and build business relations. The IBM Mainframe Decision Makers List aids all your multi-channel marketing campaigns and boosts your ROI. We offer responsive and permission passed sales leads and ensure your promotional message reached your targeted customers. The data we offer in the list of companies using IBM Mainframe in the USA, UK, Canada, etc. adheres to the GDPR and CAN spam act and assures the highest deliverability rate.