Question: What company currently produces the plane designated AT-6?

Context paragraphs:
Compañía Española de Petróleos: Compañía Española de Petróleos, S.A.U. (CEPSA; Spanish Petroleum Company) is a Spanish multinational oil and gas company.  It operates in several European countries as well as in Algeria, Canada, Colombia, Morocco, Brazil, and Panama.  The company currently produces around 260000 oilbbl/d and has a refining capacity in three refineries of 21 million tonnes/year.

North American T-6 Texan: The North American Aviation T-6 Texan is an American single-engined advanced trainer aircraft used to train pilots of the United States Army Air Forces (USAAF), United States Navy, Royal Air Force, and other air forces of the British Commonwealth during World War II and into the 1970s.  Designed by North American Aviation, the T-6 is known by a variety of designations depending on the model and operating air force.  The United States Army Air Corps (USAAC) and USAAF designated it as the AT-6, the United States Navy the SNJ, and British Commonwealth air forces the Harvard, the name by which it is best known outside of the US.  Starting in 1948, the new United States Air Force (USAF) designated it the T-6, with the USN following in 1962.  It remains a popular warbird aircraft used for airshow demonstrations and static displays.  It has also been used many times to simulate various Japanese aircraft, including the Mitsubishi A6M Zero in movies depicting World War II in the Pacific.

The Electronic Font Foundry: The Electronic Font Foundry (EFF) is a company engaged in the design and sale of computer fonts.  It was established in 1984 and currently produces fonts in PostScript, TrueType and RISC OS formats.  It produces fonts in more than 60 languages.  The company's public domain RISC OS CD-ROM, released in 1997, includes conversions of public domain fonts to the RISC OS format.  It also includes a cataloguing tool.

Ford Kansas City Assembly Plant: Ford Motor Company's Kansas City Assembly plant in Claycomo, Missouri is a Ford Motor Company assembly plant located at 8121 US-69, Kansas City, MO.  The plant currently consists of 4.7 million square feet of production space and employs approximately 7,000 hourly workers represented by the United Auto Workers Local 249.  The plant currently produces the Ford F-150 and the Ford Transit.  It is the largest car manufacturing plant in the United States in terms of units produced.  The plant is about 10 mi northeast of the Kansas City, Missouri city center.  Since its opening in 1951, the Ford Claycomo Plant, as many in the Kansas City area call it, has generated thousands of jobs, millions of tax dollars for the otherwise minor suburb, and is the largest tax generator in Clay County, Missouri.

Selex Competition: Selex Competition was a Spanish constructor of racing cars under various brands.  The company currently produces dampers and shocks.

Great Western Brewing Company: The Great Western Brewing Company is an independent brewery in Saskatoon, Saskatchewan, Canada.  The company currently produces several varieties of beer, some of which have received international awards for excellence.  With an output of 360 bottles and 480 cans per minute, it is one of the larger regional brewers in western Canada.

North American Aviation: North American Aviation (NAA) was a major American aerospace manufacturer, responsible for a number of historic aircraft, including the T-6 Texan trainer, the P-51 Mustang fighter, the B-25 Mitchell bomber, the F-86 Sabre jet fighter, the X-15 rocket plane, and the XB-70, as well as Apollo Command and Service Module, the second stage of the Saturn V rocket, the Space Shuttle orbiter and the B-1 Lancer.  Through a series of mergers and sales, North American Aviation became part of North American Rockwell, which later became Rockwell International and is now part of Boeing.

Starwin Products: Starwin Products Ghana is a pharmaceutical manufacturer based in Ghana.  It is the first pharmaceutical company to be listed on the Ghana Stock Exchange.  It is a component of the GSE All-Share Index.  The company currently produces 10 brand name products.

Julphar: Julphar (Gulf Pharmaceutical Industries) is a public shareholding pharmaceutical company based in Diqdaqah, Ras Al Khaimah, United Arab Emirates.  It was established in 1980 under Sheikh Saqr bin Mohammad al-Qassimi, the late ruler of Ras Al Khaimah and currently produces and distributes pharmaceutical products across five continents.  Julphar produces therapeutic products which target a large range of pharmaceutical segments including consumer, endocrinology, antibiotics, cardiovascular, women's health, dermatology and gastroenterology.

Imengine: Imengine, headquartered in Atlanta, Georgia, is an American entertainment production company.  The company currently produces work for film, television, video games, anime, comic books, manga, graphic novels, and websites. Imengine Entertainment, LLC was founded in 2005 by Andrew Collins and holds satellite offices in New York and London.

Supporting paragraphs: North American Aviation North American T-6 Texan
Answer: Boeing