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Pinkerton Detective Agency is one of the most famous.
Famous National Firm
Perhaps the most famous national P.I. firm of all is
Pinkerton National Detective Agency. Founded in 1850 by Scotsman Allan
Pinkerton, the Pinkerton Agency was the first private detective agency
in the United States. Pinkerton, the first police detective with the
Chicago police department, pulled together a core of detectives that
would go anywhere to find the information – and the person – for whom
they were searching. The Pinkerton Agency became even more famous when
Dashiell Hammet used his experiences as a Pinkerton investigator as a
basis for his best selling detective books. Pinkerton provided more than
just investigative services – as do most other national P.I. firms. Over
the course of 150 years, Pinkerton has developed into an internationally
recognized firm that provides investigative and security services to
industry and individuals around the world.
No other national P.I. firm has quite the reputation or the longevity of
Pinkerton National Detective Agency, and most keep a far lower profile.
If you’re looking for a firm of private investigators with a national
presence, one of your best resources is the National Council of
Investigation and Security Services. There you’ll find a wealth of
information on P.I. firms across the country. The Member’s Directory can
help you find a license private investigator in your city or town, and
give you the assurance that they are a licensed, reputable private
detective.
Whether you need a private investigator for personal reasons, or for
business reasons, a national P.I. firm may make more sense for your
needs than a local solo operator. If you have investigative or security
needs that require the services of a large firm, you may find that their
prices are more competitive because of their access to a large number of
licensed investigators in states around the entire country.
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