List Builders

Get reliable, manually-sourced US library staff contact data from ListBuilders. Our 16K-record dataset features validated mobile and emai...

16.5K Phone Numbers

90% Delivery Rate

USA covered

18 months of historical data

Explore ListBuilders' Executive Contacts for SMEs with £1M-£10M T/O in Essex & London. GDPR-compliant data with verified emails, phones, ...

80K records

95% Accuracy rate

UK covered