ipstack - ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.

Accela - Accela provides government software that streamlines land, permitting, asset, licensing, legislative management, and resource management.

ipapi - Web analytics with IP address lookup and location API

AWS GovCloud - Isolated AWS Region designed to allow US government agencies and customers to move sensitive workloads into the cloud.

ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database

GovPilot - GovPilot is a cloud-based government management platform that aims to improve the efficiency and performance of governmental organizations with an affordable and scalable software-as-a-service (SaaS).