Question: The maker of the C-52 is headquartered in what city?

Context articles: Advanced Sports International
Blip (website)
Mastretta
Crypto AG
Treviso
Renesas Electronics
Gerber Legendary Blades
C-52 (cipher machine)
Young &amp; Sons
Hassnae Bouazza

Advanced Sports International is an American bicycle company whose flagship brand is Fuji Bikes.
 It also owns smaller brands including triathlon-focused Kestrel USA, component maker Oval Concepts,and Breezer bikes and BMX maker SE Bikes.
 It is headquartered in Philadelphia and led by Patrick Cunnane.
Blip (formerly blip.tv) was an American media platform for web series content and also offered a dashboard for producers of original web series to distribute and monetize their productions.
 The company was founded on May 5, 2005, and it was located in New York City (where the headquarters was located) and Los Angeles.
 It was financed by Bain Capital Ventures, Canaan Partners, and Ambient Sound Investments.
 Blip’s mission statement was “to deliver the best original web series to audiences across multiple platforms.”
 The site showcased a wide variety of dramas, comedies, arts, sports and other shows.
 Blip was acquired by Maker Studios in 2013, and shut down by them on August 20, 2015.
 It is in the process of bringing many of its former content producers to a new website, maker.tv.
Mastretta Cars is a Mexican car maker and design studio established by industrial designer Daniel Mastretta in Mexico City in 1987.
 During the 1990s, Mastretta developed a small number of kit cars under the brands Tecnoidea and Unediseño, but the 2010 MXT is the first developed vehicle to reach international commercial availability.
 Mastretta is often incorrectly claimed to be the first Mexican mass-production car maker, but other Mexican automotive companies Dina, Ramirez Industrial Group, VAM and D.M. Nacional had developed their own vehicles since the 1950s to a small national scale.
Crypto AG is a Swiss company specialising in communications and information security.
 With headquarters in Steinhausen, the company is a long-established manufacturer of encryption machines and a wide variety of cipher devices.
Treviso (] , Venetian: "Trevixo") is a city and "comune" in the Veneto region of northern Italy.
 It is the capital of the province of Treviso and the municipality has 82,854 inhabitants (as of November 2010): some 3,000 live within the Venetian walls ("le Mura") or in the historical and monumental center, some 80,000 live in the urban center proper while the city hinterland has a population of approximately 170,000.
 The city is home to the headquarters of clothing retailer Benetton, Sisley, Stefanel, Geox, Diadora and Lotto Sport Italia, appliance maker De'Longhi, and bicycle maker Pinarello.
Renesas Electronics Corporation (ルネサス エレクトロニクス株式会社 , Runesasu Erekutoronikusu Kabushiki Gaisha ) is a Japanese semiconductor manufacturer headquartered in Tokyo.
 It has manufacturing, design and sales operations in around 20 countries.
 It was the world's largest auto semiconductor maker in 2014, and the world's largest maker of microcontrollers.
 It also makes mixed-signal integrated circuits and system on a chip semiconductors.
Gerber Legendary Blades is a maker of consumer knives and multitools headquartered in Tigard, Oregon, United States, within the Portland metropolitan area.
 Currently Gerber is a sub-division of Fiskars Brands Inc, owned by the Fiskars company of Finland.
 Gerber was established in 1939 by Pete Gerber.
 Gerber was the first production knife company to collaborate with a custom knife maker when it collaborated with David Murphy.
The (Hagelin) C-52 and CX-52 were cipher machines manufactured by Crypto AG starting 1951/1952.
 These pin-and-lug type cipher machines were advanced successors of the C-38/M-209.
 The machine measures 8 1/2in × 5 3/8in × 4 3/8in.
 The device is mechanical, but when combined with an electric keyboard attachment, the B-52, the resultant system is termed the BC-52.
 The B-52 is larger, measuring 12 1/2in × 8 1/2in × 6 3/8in.
William James Young (1800–1870), probably born in Philadelphia, was indentured as an apprentice to instrument maker Thomas Whitney of Philadelphia for seven years beginning in 1813.
 Young was first listed in the 1825 Philadelphia directory as a mathematical instrument maker.
 He continued in business by himself until 1867 when Thomas N. Watson and Charles S. Heller joined him and the firm became known as William J. Young & Co.
 Young's son Alfred later took over the company and it became known as Young & Sons.
 It produced surveying and other precision devices until Keuffel and Esser of New York City acquired the company in 1918.
 Even then, K&E continued to offer a separate line of instruments with the Young & Sons name so as to maintain the customer base that had been built over the years.
 K&E moved the Young operation to Hoboken, New Jersey, in 1922.
Hassnae Bouazza (Arabic: حسناء بوعزة, ḥasnāʾ būʿazza) (born 1973 in Oujda, Morocco) is Moroccan-Dutch journalist, writer, columnist, translator and television programme maker.
 Bouazza was born in the city of Oujda, close to Algerian border.
 She moved with her family including brother Hafid (now a noted writer) to The Netherlands to join her father, who worked there as a guest worker.
 They lived in the village of Arkel where they were the only Moroccans.
 Bouazza studied English language and literature at Utrecht University.
 She started writing columns for various periodicals (including "Vrij Nederland".
 Bouazza also worked for the VPRO as a television programme maker.
 She is known for discussing taboo subjects like pornography in the Arab world.
 Bouazza is the editor of a collection of short stories called "Achter de sluier" (Behind the Veil) about strong Arab women.