Question: What company manufactured the plane on which the Doomsday plane was based?

Context articles: Aero-Craft Aero-Coupe
Ilyushin Il-96
J. G. Brill Company
HelioVolt
Doomsday plane (Russia)
Meriden Firearms Co.
WangDAT
AL (automobile)
Walker Electric Truck
Raufoss Ammunisjonsfabrikker

The Aero-Craft Aero-Coupe is an American, three-passenger, semi-cabin, all-purpose, commercial biplane that was designed by Captain Clement Brown in 1928 and manufactured by Aero-Craft Manufacturing Company.
 The plane was intended for use as an air taxi, as well as for mail and express feeder service.
 The Aero-Coupe was manufactured by Aero-Craft Manufacturing Company, based in Detroit, Michigan.
 Aero-Craft Mfg. Co. was founded in 1928, and the Aero-Coupe was the first production model that was released by the company.
 The Aero-Coupe was a "semi-cabin" aircraft: the three passengers were situated within a closed cabin in the aircraft's fuselage near the nose, while the aircraft's single pilot was positioned in an open cockpit, above and behind the passenger cabin, behind the wings.
 The plane was first introduced to the public in 1928 during the Detroit Aero Show, also known as the All-American Aircraft Show, which occurred from April 14–21.
 Its price, as mentioned in Volume 20 of "Flight International", was $6500, when it was first exhibited to the public.
 It was powered by a single, seven-cylinder Warner Scarab rotary engine, which provided 120 hp.
 The aircraft had a range of 740 kilometres, and was capable of flying as fast as 185 km/h.
 The wings were of unequal span.
The Ilyushin Il-96 (Russian: Илью́шин Ил-96 ) is a Russian four-engined long-haul wide-body airliner designed by Ilyushin in the former Soviet Union and manufactured by the Voronezh Aircraft Production Association in Voronezh, Russia.
 It is powered by four Aviadvigatel PS-90 two-shaft turbofan engines.
The J. G. Brill Company manufactured streetcars, interurban coaches, and buses in the United States for almost ninety years.
 The company was founded by John George Brill in 1868 as a horsecar manufacturing firm in Philadelphia.
 Over the years, it absorbed numerous other trolley-interurban manufacturers such as Kuhlman in Cleveland and Jewett in Indiana.
 With business diminishing, in 1944 it merged with the American Car and Foundry Company (ACF) to become ACF-Brill.
 It ceased trolley and bus production in 1954, though some of their interurbans served the Philadelphia area till the 1980s.
 Brill was the longest lasting of the nation's trolley and interurban manufacturers.
 It manufactured over 45,000 streetcars, trams (also known as trolleys or trolley cars in the U.S.), motor buses, trolleybuses and railroad cars.
 At its height, it was the largest manufacturer of streetcars and interurbans in the U.S. and produced more streetcars and interurbans and gas electrics than any other manufacturer.
HelioVolt Corporation was a privately held U.S. solar energy company based in Austin, Texas, that suspended operations in 2014.
 The company manufactured photovoltaic (PV) solar modules using a thin film semiconductor process based on copper indium gallium selenide (CIGS) to produce CIGS solar cells. HelioVolt manufactured these thin film modules for commercial rooftop, utility-scale ground mount, residential, building-integrated photovoltaics (BIPV) and custom installations.
 The company raised over $230 million in investment, including over $80 million by SK Group.
The Doomsday plane is a "third-generation" Airborne Command Post operated by the Russian Air Force, based on the Ilyushin Il-96-400 commercial aircraft airframe.
The Meriden Firearms Company of Meriden, Connecticut, USA manufactured small arms from 1905 to 1918.
 Meriden manufactured 20 varieties of hammer and hammerless revolvers with an output of 100 handguns a day in 1906.
 In addition to revolvers the company manufactured shotguns and rifles.
WangDAT was a magnetic tape data storage company founded in 1988 by Ben C. Wang.
 This was Dr. Wang's third startup company that he founded that manufactured tape drives.
 The company manufactured Digital Data Storage drives, which store computer data on Digital Audio Tape media.
 The company was acquired by Rexon in 1991.
AL was a French automobile manufactured by L'Energie Electro-Mécanique based at Suresnes.
 In 1907 the company manufactured one of the first recorded hybrid cars (The Pieper was earlier, as was the Lohner-Porsche), it was a combination gas-electric vehicle that ran at 24hp.
Walker Electric Trucks were battery-powered vehicles built from 1907 to 1942 in Chicago, Illinois and Detroit, Michigan.
 Initially designed and manufactured by the Walker Vehicle Company (not to be confused with the Walker Motor Car Company) in Chicago, they were bought by the Anderson Electric Car Company of Detroit in 1916, then sold to Commonwealth Edison of Chicago in 1920, and last to York & Towne in 1933.
 In addition to the trucks the company manufactured the Chicago Electric Car.
 Several of their trucks were long in service, surviving the brand, in some cases, by decades.
 A few of them are now on display in museums or, in the case of one exported to New Zealand, still "in service" with its original owner Orion New Zealand Limited.
Raufoss Ammunisjonsfabrikker was a Norwegian company based at Raufoss, established in 1896 as "Rødfoss Patronfabrik".
 Initially the company manufactured ammunition, and later also other products, such as aluminium parts to the automotive industry.
 Until 1948 the company was a subordinate to the Norwegian Ministry of Defence.
 In the 1990s the automobile division was split off as "Raufoss Automotive" and eventually taken over by Norsk Hydro.
 The ammunition division was merged with the Swedish company Celsius and the Finnish company Patria, forming the new company Nammo.