Ex-Cell-O

The company was established in 1919 as {{nowrap|Ex-Cell-O}} Tool and Manufacturing Co. by a group of tool and die makers, all of whom were former employees of Ford Motor Company. The site of the original shop was located in Highland Park, Michigan. This location is a few blocks from the world's first automobile assembly line, at the Highland Park Ford Plant.{{Cite book |title=Polk's Michigan State Gazetteer and Business Directory 1921–1922 |publisher=R.L. Polk & Co. |year=1921 |edition=49 |location=Detroit, Michigan |pages=501 |language=en}}{{Cite news |last=Vartabedian |first=Ralph |date=August 6, 1986 |title=Textron Makes Offer to Acquire Ex-Cell-O: Hints It May Raise Its $966-Million Bid |work=Los Angeles Times |url=https://www.latimes.com/archives/la-xpm-1986-08-06-fi-1402-story.html |access-date=September 22, 2023}} Newton "Woody" Woodworth served as the first president and general manager.

In its early years, around sixty percent of the company's business was manufacturing parts and fixtures for aircraft.{{Cite news |date=September 20, 1929 |title=Ex-Cell-O Additions To Be Ready Soon |pages=21 |work=Detroit Free Press |url=https://www.newspapers.com/article/39912034/excello_additions_and_name_change/ |access-date=September 22, 2023}} Due to its focus on the aviation industry, the company name was changed to {{nowrap|Ex-Cell-O}} Aircraft and Tool Corporation in 1927. At this time, they also made grinding machines (including Carboloy-branded grinders that Carboloy, Inc. sold) and air-driven grinding spindles.{{Cite web |last=Joslin |first=Jeff |date=February 3, 2023 |title=Ex-Cell-O Machine Tools, Inc. |url=http://vintagemachinery.org/mfgindex/detail.aspx?id=1479 |access-date=September 22, 2023 |website=Vintage Machinery}}

In 1937, Woodworth left the company, which was then reorganized as {{nowrap|Ex-Cell-O}} Corp. The more general name was chosen to reflect their increasingly diverse product lines, which included high-precision thread grinders, boring machines, facing machines, and lapping machines.

{{nowrap|Ex-Cell-O}} was part of the Arsenal of Democracy.{{Cite web |date=September 22, 2023 |title=Ex-Cell-O Corporation |url=https://wwii.detroithistorical.org/locations/ex-cell-o-corporation |access-date=September 22, 2023 |website=Detroit Historical Society}} During World War II, they manufactured the following products for military use:

• Nozzle plates for rockets
• Aircraft engine parts
• Boring machines
• Thread grinding machines
• Center lapping machines

By the mid-1960s, the company was based in Troy, Michigan.{{Cite news |last=Fedder |first=Mark |date=April 18, 2013 |title=Michigan Tool and Ex-Cell-O |work=Manistee News Advocate |url=https://www.manisteenews.com/local-history/article/Michigan-Tool-and-Ex-Cell-O-14216840.php |access-date=September 22, 2023}}

In 1986, {{nowrap|Ex-Cell-O}} was acquired by defense industry conglomerate Textron for $77.50 per share in cash, totaling about $1.1 billion (about $3.1 billion in 2023 dollars). Under the merger agreement, {{nowrap|Ex-Cell-O}} became a wholly-owned subsidiary of Textron.{{Cite news |last=Schmitt |first=Eric |date=August 19, 1986 |title=Textron Acquiring Ex-Cell-O |work=The New York Times |url=https://www.nytimes.com/1986/08/19/business/textron-acquiring-ex-cell-o.html |access-date=September 22, 2023}}

{{nowrap|Ex-Cell-O}} began laying off all employees on April 28, 2006.

{{nowrap|Ex-Cell-O}} Corporation of Canada, Ltd. manufactured heavy machine tools such as ram-type milling machines. The business was located at 120 Weston Street in London, Ontario.

The Indian branch was founded on March 10th, 1958,{{Cite web |title=XLO - Who we are |url=http://www.xloindia.com/who_we_are.htm |url-status=live |archive-url=https://web.archive.org/web/20200208193657/http://www.xloindia.com/who_we_are.htm |archive-date=2020-02-08 |access-date=2024-04-14 |website= |publisher=XLO India Ltd. |quote="XLO India Limited was set up in 1958 to manufacture fabricate Steering Gear assemblies, Propeller Shafts and Machine tools. XLO India was founded on 10th March, 1958 formerly known as M/s Amerind Engineering Pvt. Ltd. In 1960, the company got technical and equity participation from Ex-cell-O USA and thus the name changed to Ex-Cell-O India Ltd."}} as Messrs. Amerind Engineering Company of Bombay,{{Cite book |last=Ellender |first=Allen Joseph |url=https://books.google.com/books?id=30_xp6XIljcC&dq=%22amerind+engineering%22&pg=PA891 |title=A Report on United States Foreign Operations: Report Covers Information Obtained from Two Trips Abroad in 1960 to Denmark and Others |date=1961 |publisher=U.S. Government Printing Office, United States Senate Committee on Appropriations |pages=869, 891 |language=en}} later known as Ex-Cell-O India Ltd, with technical and equity support from the American branch. The company mainly manufactured propeller shafts, machine-tools, and steering gear assemblies at this time. In 1978, the company bought itself, becoming fully Indian-owned and independent from the American branch, changing its name to XLO India Limited.{{Cite web |title=Father-Daughter Team - Indian Legacy Family Shares Story |url=https://www.cmu.edu/homepage/global/2007/winter/father-and-daughter-team.shtml |url-status=live |archive-url=https://web.archive.org/web/20160315072820/http://www.cmu.edu/homepage/global/2007/winter/father-and-daughter-team.shtml |archive-date=2016-03-15 |access-date=2024-04-14 |website=www.cmu.edu |publisher=Carnegie Mellon University |quote="The CEO of XLO India Limited, a company that manufactures automobile steering systems, Sanjaya and his daughter make up one of the many Carnegie Mellon legacy families."}}

The following partial list is a history of acquisitions by the {{nowrap|Ex-Cell-O}} Corporation.

The following list is a chronology of the various names used by {{nowrap|Ex-Cell-O}} Corporation throughout its history.

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Category:Manufacturing companies based in Michigan

Category:Manufacturing companies established in 1919

Category:1919 establishments in Michigan

Category:Defunct computer companies of the United States

Category:Defunct computer hardware companies