We buy a lot of data every month/quarter. We buy offline from various brokers. These are the same type of data, large investment firms, builders, and retailers buy and aggregate, to build their in-house proprietary data mapping systems for location intelligence. No single data vendor has all the best and most reliable data. We get our data from 3 main categories: Government Sources, Industry Trade Associations, and Private Sources, including: A. U.S Government Sources – U.S Census Bureau – Bureau of Labor Statistics (BLS) – Federal Reserve Board – Federal Bureau of Economic Analysis – Federal Financial Institutions Examination Council (FFIEC) – Internal Revenue Service (IRS) – National Center for Education Statistics (NCES) – U.S. Post Office B. Industry Trade Associations – Mortgage Bankers Association (MBA) – National Association of Realtors (NAR) – American Bankers Association