The highest-profile is arguably ProPublica, an investigative-reporting unit set up in 2008 with help from the Sandler Foundation.
Last year, a unit set up to tackle the problem dealt with 1, 700 cases, but many more are thought to have gone unreported.
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An Internal Revenue Service unit set up to look at wealthy taxpayers and their complicated financial arrangements has started rigorous probes of some hedge-fund managers and other investors it suspects may be trying to evade taxes.
They have already won a small victory: an American-financed army unit set up last year to clear coca farmers' roadblocks in the Chapare (formerly the main growing area) is being disbanded, after several mistakes by trigger-happy troops.
The unit was set up to look at the long-term delivery and implementation of the government's 10-year plans.
The unit was set up in 1998 after killings in Lambeth and Brent.
The Centre's visual unit was set up at the beginning of the Afghan summer and will allow journalists to be trained on the latest digital equipment.
The Equality Challenge Unit was set up in 2001 to support the higher education sector by improving equal opportunities for all who work or seek to work in the UK higher education sector.
The Cold Case Unit was set up at the instruction of Scotland's chief prosecutor, the lord advocate, in June 2011 to oversee cases that were kept open because of a possibility of new information emerging.
Chief of San Diego Police William Lansdowne told Panorama that the stalking unit was set up originally because of the number of tragic murders that had occurred in the city and in the state of California.
The twin unit was set up in 1992 to look at the role that genes play in the development of rheumatic diseases in older women and has now expanded to lok at most common diseases, behaviours and traits.
Or the Crack Intelligence Co-Coordinating Unit, set up with the blessing of the home secretary in 1989 but also dissolved a few years later - unwisely in the view of many who had been tracking the damage inflicted by the newly-emerging drug, crack cocaine?
He also called for a national unit to be set up to make a "robust report" into how much progress had been made.
An advice and response unit is being set up in Northampton's central Market Square where Anglian Water experts and customer service staff will be available to answer any concerns of residents, she said.
The haul is the biggest uncovered by the North West Regional Organised Crime Unit since it was set up in 2008.
So BBH, a global advertising firm, has set up a unit called Zag, which designs, markets and distributes its own products.
In May it set up a unit to run its nascent e-commerce operations, preparing to take on established players like Alibaba Group Holding Ltd. and 360buy.com.
Two years ago, Sheffield University, which has added biotechnology to its traditional strength in engineering, set up a unit to try to turn some of its research discoveries into commercial ideas.
Word was spreading quickly as we drove off to set up the other unit.
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In the 1990s, Heseltine set up a competitiveness unit with 30 members and many cabinet ministers sat on its committee.
Before the general election, the Constitution Unit and the Electoral Reform Society set up an independent commission on conducting referendums.
The former England manager, who is battling the disease for the fifth time, has helped set up a research unit at Newcastle's Freeman Hospital.
After earlier disagreements between the Geneva-based parent organization and its Indian unit, the WWF in 1998 set up an independent office to run the tiger project.
And to fund such measures, as well as to track terrorist finances, the delegates resolved to set up a special unit at the Asian Development Bank.
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Her disappearance attracted a lot of interest in Turkey, where the disappearance of tourists is rare, and Istanbul police had set up a special unit to find her.
Meanwhile, the government has set up a new unit to encourage countries, including India and those in the Middle East, to use services linked to the UK's education system.
Mobile Infirmary Health Services has offered to set up a triage unit at the port, in case any debarking passengers need medical assistance, Alabama Cruise Terminal General Manager Sheila Gurganus said Tuesday.
With the help of Pulte's mortgage unit in Denver, the company set up its systems to meet the standards of U.S. ratings agencies like Fitch Investors Service, which earlier this year gave it an AA rating.
And not just in America: in Germany, where the long years of low birth rates will reduce the size of the pool over the coming decade, Kienbaum, the country's leading pay consultancy, recently set up a special unit to comb academe for youthful high-fliers.
Vodafone, a mobile-phone operator, has just set up a mobile health unit in Britain.
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