Haines & Company Inc.
Provides real property information for California,Georgia, Illinois, Indiana, Lousiana, Missouri, New York, Ohio, Washington DC and Virginia. http://www.haines.com/
Public Data Corporation
An online database of New York City real estate and lien records, including information on deed and mortgage recordings, UCC filings, as well as bankruptcy, judgment and mechanic lien filings.
Real-Comp
Provides residential and commercial real property information specific to the State of Texas, including county clerk deed transactions and insurance X-Dates, and in some areas foreclosure postings and sales.