Question: Enoch Bolles' most widely reproduced advertising illustration is for a manufacturing company located where?

Context articles: Archibald Thorburn
Ellen Thayer Fisher
Motorex
Molotov Man
Enoch Bolles
Zippo
Standard Sanitary Manufacturing Company
Emily Stackhouse
Temco Aircraft
Mohammed Mohiedin Anis

Archibald Thorburn FZS (31 May 1860 - 9 October 1935 Hascombe, Surrey) was a Scottish artist and animal painter and bird illustrator, painting mostly in watercolour.
 He regularly visited Scotland to sketch birds in the wild, his favourite haunt being the Forest of Gaick near Kingussie in Invernesshire.
 His widely reproduced images of British wildlife, with their evocative and dramatic backgrounds, are enjoyed as much today as they were by sportsmen and birdlovers of a century ago.
Ellen "Nelly" Thayer Fisher (April 16, 1847 – October 15, 1911) was an American botanical illustrator.
 Fisher exhibited her paintings at the National Academy of Design and other exhibitions.
 She was an active contributor to the exhibitions of the American Watercolor Society, beginning in 1872.
 In addition to being shown in galleries and exhibitions, her paintings of flora and fauna were widely reproduced as chromolithographs by Boston publisher Louis Prang.
Motorex is a Swiss oil blending and manufacturing company located in Langenthal, Switzerland.
 It is currently the largest oil blending and manufacturing company in Switzerland and ships to over 75 countries.
 Motorex is owned by the Bucher AG Group which also holds two more affiliate companies namely Motorex-Toptech and the Bucher AG Langenthal.
 All three of these companies operate out of the main facility in Langenthal.
 There is also a separate location of storage-holding tanks on the other side of the city.
Molotov Man is the title by which a photograph taken by Susan Meiselas during the 1979 Nicaraguan Revolution has come to be known.
 Famous in its Nicaraguan context as a symbol of the Sandinista revolution, it has been widely reproduced and remixed.
 Latterly, outside this context, it was reproduced via an internet meme based on Joy Garnett's 2003 painting "Molotov", becoming a prominent case-study of re-use of art.
Enoch Bolles (3 March 1883 – 16 March 1976) was an American painter of pin-up art.
 He was among the earliest and most widely circulated glamour illustrators.
 While known today solely as a pinup artist, Bolles was a versatile illustrator who also worked extensively in the advertising industry, creating hundreds of attractive color illustrations for products ranging from bread to cigarettes.
 His most widely reproduced advertising illustration is the "Windy Girl" for Zippo lighters.
 This work, produced in 1937, has recently been reissued as the Vargas Windy Girl and has appeared in well over 100 variations on Zippo lighters.
A Zippo lighter is a reusable metal lighter manufactured by American Zippo Manufacturing Company of Bradford, Pennsylvania, United States of America.
 Thousands of different styles and designs have been made in the eight decades since their introduction including military versions for specific regiments.
 Since its invention Zippos have been sold around the world and have been described "a legendary and distinct symbol of Americana".
 In 2012 the company produced the 500-millionth unit.
 Since its inception Zippo Lighters have been almost exclusively manufactured in the United States, with the exception of those manufactured in Niagara, Canada (an operation that has since been shut down).
The Standard Sanitary Manufacturing Company was an American manufacturer of bathroom fixtures.
 It was formed in 1899 by the merger of the Ahrens and Ott Manufacturing Company, the Standard Manufacturing Company, the Dawes and Myler Manufacturing Company, and 6 other plants which were consolidated to form the Standard Manufacturing Company, headquartered in Pittsburgh, with Theodor Ahrens (Jr.) as its first president.
 He held this position, and others, until 1934.
Emily Stackhouse (15 July 1811 – 1 April 1870) was a 19th-century Cornish botanical artist and plant collector.
 She collected and painted flowers and mosses throughout the British isles, and her work was widely reproduced in a series of popular books issued by the Society for Promoting Christian Knowledge.
 Many of her watercolours show that she had collected and depicted specific plants years earlier than their accredited discovery in Cornwall, and it is now acknowledged that she collected and classified nearly all of the British mosses.
The Texas Engineering & Manufacturing Company (TEMCO), also known as Temco Aircraft Corporation, was a U.S.-based manufacturing company located in Dallas, Texas, USA.
 It is best known for eventually forming part of the conglomerate Ling-Temco-Vought.
Mohammed Mohiedin Anis (born 1946/47), also known as Abu Omar, is a Syrian businessman and car collector, based in Aleppo.
 A March 2017 photograph of him sitting on his bed, smoking a pipe and listening to his wind-up record player in a rubble-strewn room has been widely reproduced.