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DeWalt (trademarked as DᴇWALT) is an American worldwide brand of power tools and hand tools for the construction, manufacturing and woodworking industries. DeWalt is a trade name of Black & Decker (U.S.) Inc., a subsidiary of Stanley Black & Decker.
|Headquarters||Towson, Maryland, U.S.|
|Parent||Stanley Black & Decker|
The original company was started in 1923 by Raymond E. DeWalt, the inventor of the radial arm saw. The company grew quickly and was reorganized and re incorporated in 1947 as DeWalt Inc. After buying the company in 1949, American Machine & Foundry Co., Inc. sold it to Black & Decker in 1960. Black & Decker divested itself of the radial arm saw manufacturing branch in 1989, selling it to two executives. Radial arm saws that use the original DeWalt design can still be obtained from the Original Saw Co.
In 1992, Black & Decker started a major effort to rebrand its professional quality and high end power tools to DeWalt. In 1994, DeWalt took over the German wood working power tool producer ELU. DeWalt increased their line of tools using ELU's technology. As of 2001, DeWalt manufactures and sells more than 200 different power hand tools and 800 accessories.
DeWalt is now a popular brand of tools for commercial contractors. In 2004, Black and Decker bought rival power tool manufacturer Porter-Cable and combined it with DeWalt in Jackson, Tennessee. In 2011, DeWalt launched a line of contractors' hand tools (including utility knives, pliers, adjustable wrenches, tape measures, saws, and hammers). In 2013, the line was expanded to include mechanics' tools (wrenches, ratchets, and sockets).
In December 2013, DeWalt issued a press release stating it would be bringing some assembly of a small selection of their products to the United States using globally manufactured parts from Brazil, China, the Czech Republic, Italy, Mexico, the United Kingdom, and the United States. The products assembled in the United States would be branded under the label, "Built in the USA with global materials."
As of 2015, DeWalt has seven manufacturing facilities building DeWalt branded products in the United States: New Britain, CT, Hampstead, MD, Shelbyville, KY, Greenfield, IN, Cheraw, SC, Charlotte, NC, and Jackson, TN. In April 2016, DeWalt created an Android powered smartphone designed for building industry workers. The device costs £379 ($544), is designed to survive a 2m drop onto concrete and can operate in temperatures ranging from −20C to 60C. 
On September 1, 2016, DeWalt debuted an industry first hybrid voltage battery pack it branded "FLEXVOLT". The pack runs at either 20V (18V nominal) or 60V (54V nominal) depending upon whether it is placed into a 60V FlexVolt tool or one of their 20V Max tools. The pack switches between connecting the battery cells in series (60V, 2Ah) or parallel (20V, 6Ah) depending upon the activated pin configuration determined by the power tool. 
In May 2018, Dewalt released a line of cordless lawn mowers, that uses either their 20v or 40v batteries.
Black & Decker was long associated with lighter weight consumer tools such as household appliances, and not the heavy duty equipment professional builders want. In the end of the 1980s, Michael Hammes, executive vice president and president of the company's power tools and home improvement group, introduced the "Acura concept," a notion Honda utilized to enter the upscale automobile market. Black & Decker found it useful to relinquish a name with little appeal to many consumers in the market for construction tools.
DeWalt was acquired in 1960 and continued to produce radial arm saws and other large, stationary, power equipment, Black & Decker expanded the DeWalt name and used this to replace their "Black & Decker Professional" series of heavy-duty tools in 1992. In a market survey of the United States done by Black & Decker before its reintroduction, the name DeWalt was recognized by 70% percent of tradesmen.
The black and yellow DeWalt design, often associated with safety equipment and advertised on display, helped propel Black & Decker's profits.
DeWalt Tools sponsored NASCAR driver Matt Kenseth from 1999 through to the season of 2009. In this time period, Kenseth won 18 races, the 2000 Sprint Cup Rookie of the Year Award, 2003 Sprint Cup Series Championship, 2004 Sprint Cup All Star Race and the 2009 Daytona 500.
However, in July 2009, DeWalt announced that they would not be renewing their sponsorship deal with Kenseth and Roush Fenway Racing due to the poor economic conditions in the construction industry. DeWalt had also sponsored MotoGP rider, Ben Spies, for the racing season of 2010.
DeWalt returned to NASCAR sponsorship in 2011, but on the #9 Richard Petty Motorsports Ford Fusion driven by Marcos Ambrose. This sponsorship ended after 2014, when Ambrose departed the Sprint Cup Series, with DeWalt choosing to re unite with Kenseth, who now drove the #20 for Joe Gibbs Racing, sponsoring six races in 2015, ten races in 2016 and 15 races in 2017.
- "DeWalt History". DeWalt. Retrieved 18 May 2015.
- "The Original Saw Company". Retrieved 12 December 2012.
- Milani, Kate (2005-04-15). "Black and Decker shuttering N.C. plant". Baltimore Business Journal. Retrieved 2015-07-01.
- Deutsch, Stuart (2011-04-05). "DeWalt Launches New Line of Hand Tools!". ToolGuyd. Retrieved 2014-03-12.
- Amstutz, Jay (2013-04-22). "Dewalt Mechanic Hand Tools & Complete Sets". Cop Tool. Retrieved 2014-03-12.
- Deutsch, Stuart (2013-04-16). "New Dewalt Ratchets, Sockets, and Mechanics Tool Sets". ToolGuyd. Retrieved 2014-03-12.
- "Frequently Asked Questions". Archived from the original on 24 December 2013. Retrieved 22 December 2013.
- "Tools made in the USA with global materials | DeWalt". americanpride.dewalt.com. Retrieved 2015-12-17.
- "Construction giant Dewalt unveils smartphone". BBC News. Retrieved 19 April 2016.
- "DeWalt FlexVolt Technology". Pro Tool Reviews. Retrieved 23 June 2016.
- Sellers, Patricia (1992-02-24). "Black & Decker New Selling Tool: The Acura Concept". Fortune. Retrieved 2015-07-01.
- Slaton, Hunter R. Vault Guide to the Top Manufacturing Employers. Vault Publishing, 2006, p.71