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Knowles company history timeline

1954

In 1954 the firm branched off into the dye and chemical business with the purchase of the Althouse Chemical Company.

One of the company’s earliest and most respected inventions appeared in 1954 when the first miniature microphone and balanced armature receiver for hearing aids was developed.

1961

A third significant operation was added to the company in 1961 with the purchase of the Davis-Standard Company, a major manufacturer of plastic processing, or extrusion, machinery and systems, marking the origins of present-day Crompton & Knowles’s multi-million dollar extrusion machinery business.

1980

Crompton & Knowles expanded even further in this direction when it acquired the American Flavor & Fragrance Company in 1980.

2002

In 2002, Knowles introduced the world’s first micro-electro-mechanical systems (MEMS) microphones under its SiSonic brand.

2021

"Crompton & Knowles Corp. ." International Directory of Company Histories. . Retrieved April 15, 2021 from Encyclopedia.com: https://www.encyclopedia.com/books/politics-and-business-magazines/crompton-knowles-corp

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Founded
1946
Company founded
Headquarters
Itasca, IL
Company headquarter
Founders
Kalpana Sehwani
Company founders
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Knowles competitors

Company nameFounded dateRevenueEmployee sizeJob openings
QSC1968$17.9M401-
Meyer Sound1979$31.9M300-
PI1952$790,00025-
Starkey Hearing Technologies1967$2.1B6,000-
Alpha1979$28.2M20069
Air Quality Systems, LLC-$2.9M30-
Stratos International2000-7507
FMC1883$4.2B6,50019
Polestar2014$284.9K53
InterConnection1999$1.6M30-

Knowles history FAQs

Zippia gives an in-depth look into the details of Knowles, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Knowles. The employee data is based on information from people who have self-reported their past or current employments at Knowles. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by Knowles. The data presented on this page does not represent the view of Knowles and its employees or that of Zippia.

Knowles may also be known as or be related to Knowles, Knowles Corporation, Knowles Electronics and Knowles Electronics LLC.