Addresses.com
The largest e-mail address database and directory on the web. Varied method of performing searches using phone numbers, e-mail and home addresses. Also able to search for businesses, zip codes, area codes, schools and even persons.

American Medical Association Doctor Finder
Virtually every licensed physician in the U.S. -- more than 650,000. Search by name or broad medical specialty. (You can find pediatricians, or ophthalmologists, but not pediatric ophthalmologists.) Another limitation: You have to know the state.

AnyWho
Free lookup site by AT&T (does not use billing records of it's customers) for locating a person or business using White Pages, or for finding a business by type, using Yellow pages. All residential listings were obtained from public phone directories and are updated every 3 months, while business White and Yellow Page listings were obtained from InfoSpace and are updated monthly.

Argali White & Yellow
Argali White & Yellow searches multiple telephone (and related) directories at once. Many different search types are supported: people, business, toll-free, reverse search (by phone or address), search for area and zip codes. Argali also searches for maps, email addresses and weather conditions and forecast. Search results can be sorted by name, address, street, city, state, zip code or phone number and can also be saved on disk in various formats (plain text, csv/excel, or html). The program automatically remembers your last twenty searches. Aggregates info. from more than 25 sources/sites (Yahoo, InfoSpace and AnyWho).

Catholic Hierarchy Guide
Search or browse current and historical figures in the Catholic Church. You can search by diocese or name or country. Also lists important Catholic religious events of the day.

Center for Ethics in Government:
If you're looking for registered lobbyists, contact the people listed here in order to get comprehensive, up-to-date information on who is doing what in any state. From the National Conference of State Legislatures.

Center for Responsive Politics
Political junkies and anyone looking into a regulatory issue will appreciate the alerts from the Center for Responsive Politics, a nonprofit with searchable databases of U.S. campaign contributions. It's easy to look up campaign contributions here, with the usual limitation that there is a time lag between the contributions and reporting by the Federal Election Commission. Staff at CRP have the most useful publications and advice on covering campaign finance, and will provide data in a hurry, sliced the way you want, for a small fee.

Contactsbook (UK)
Directory of media contacts in the UK and Europe. Compiled by journalists for journalists. Search by an organization's (excuse me, organisation's) name, classification or keywords. Regularly updated. Registration required.

EDGAR Online
Filings by public companies to the U.S. Securities and Exchange Commission. Will send E-mail when new forms are filed by companies you specify. Allows searches by executive's name.

Federal Citizen Information Center Phone Contacts
Lists main number for and links to many government agencies and their directories, plus has a section with congressional phone numbers.

Forbes lists
The Forbes list of richest Americans and world citizens, leading U.S. and international companies, small companies, top CEOs, places, and top athletic moneymakers.

FreeEDGAR
Filings by public companies to the U.S. Securities and Exchange Commission. Will send E-mail when new forms are filed by companies you specify.

Full-text search of SEC documents at FreeEDGAR
This useful service allows one to search for any text string in documents that companies file with the U.S. Securities and Exchange Commission. Limited ability to sort results.

High School Alumni
Allows high school alumni to list themselves, not a free service.

Internet Prospector
A directory of state Web sites and Secretaries of State contact information. Links to incorporation records in 12 states and Secretary of State offices in 50 states and D.C.

Kentucky Vital Records Index
Don't you wish every state would do this? Death (1911-), marriage (1973-), and divorce (1973-) records for Kentucky.

Landings Certified Pilots Database
A nearly current database of 600,000 pilots registered with the U.S. Federal Aviation Administration.

Martindale-Hubbell Lawyer Locator
More than 900,000 lawyers and law firms in the U.S. and elsewhere -- not all of them. But search the entire country at once.

Military City
Database of 10.2 million U.S. military personnel -- active, retired and veterans. Requires a subscription of $4 a month or $36 a year. Owned by Army Times. Not complete.

Missing Persons Magazine
Search for missing persons. Register if you want to be found.

NameBase
A quirky index of names cross-indexed. From book indexes primarily but also organization membership lists. A lot of foreign policy, spy, conspiracy, media, etc. Searching is restricted (not too many searches, not at peak times) unless you pay up. Started in the 1960s by New Left activist Daniel Brandt. Now done by his Public Information Research.

New York State Professions
Check the license of an accountant, athletic trainer, doctor, midwife, et al., in New York State.

Patent Server from Delphion IBM
Easy search to find people in your area with patents. Or search by type of invention, or words in the description.

People Search & People Finder
People Finder

SearchSystems.net state public records
Links to public records in the 50 states, most free, including professional licenses, coporate registrations, cities and towns.

Social Security Death Index
Free search of deaths of U.S. citizens since 1932. Warning: Not all deaths are here, and some people listed here are still alive! Includes only those for whom a lump sum death benefit was paid. Includes first name, last name, Social Security number.

Student home pages
An old page, not maintained, but useful, listing search pages for colleges.

West Legal Directory
More than 800,000 lawyers and law firms in the U.S. -- not all, but many. If you know the name, you can find the lawyer anywhere in the U.S. Or search by area of practice.

World Directory of Think Tanks
Japan's National Institute for Research Advancement has a massive list of major think tanks worldwide -- 320 from 77 regions. This site provides contact information along with short descriptions of what the think tank's focus is, lists of staff and publications, and brief background information.

World Email Directory
Worldwide email databases. Search by name, city, country or business. Want to be found? Add your information.