Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
Loqate - The Standard in Global Address Verification
CrankWheel - Insanely simple, enterprise-friendly screen sharing, free for individual use.
Denali (Cougar) - Denali (Cougar) is software develops leading on-premise accounting solutions for small to mid-sized businesses.
AddressZen - Effortless Address Lookup.