I have a database of: 75,000 US companies. It is Excel spreadsheet (Company Name,Email,Address,City,State,Zip Code,Phone number,Fax number,webadress).
Also, I have a database of 1,100,000 US based business scraped from Yellow pages.
It is Excel spreadsheet (Business Name,Category,Address,City,State,Postal,Phone number,website,email,latitude,longitude).
If you are interested contact me and I will send you the sample of database.