Legal

• American Association of Law Libraries
• American Bar Association
• Attorney and Legal Profession Directories (U.S. House Internet Law Library)
• Bar Associations
• Directory of Legal Academia
• Directory of Ohio's County Law Libraries
• Directory of U.S. Law Schools
• Law Firms Online (From Law Journal Extra)
• Law firms in Martindale Directory 
• Legal Directories (From Law Journal Extra)
• Legal Publishers
• Attorney directory from martindale 
• Ohio Continuing Legal Education Institute
• Ohio State Bar Association
• West's Legal Directory

Business

• Companies Online
• InfoSpace - The Ultimate Directory
• Japan Company Record
  (Official Financial Statement Data from the Tokyo Stock Exchange)
• Thomas Register of American Manufacturers

People Finder

• Bigfoot
• BigYellow
• Criss-Cross Directories
• Database America
• Four 11 (Find E-Mail Addresses, Toll Free Numbers, Yellow and White Pages)
• KnowX (Free Searching on a Variety of Databases)
• Switchboard
• Worldwide Telephone Directories on the Web