Question: What is the name of the Vallee in which Adrien Philippe founded a company?

Context articles: Ducretet Thomson
ERE Informatique
Éditions Philippe Amaury
H2L2
Adrien Philippe
Debauve &amp; Gallais
Patek Philippe &amp; Co.
Philippe Adrien
Wincenty Gostkowski
EarthEcho International

Ducretet et cie., later Ducretet Thomson was a French company founded by scientist Eugène Adrien Ducretet which produced, among other scientific instruments, an early "plate phonograph", or tinfoil disc player (1879) and a tinfoil phonograph for cylinders.
 The company was later absorbed into the French Thomson Group and the division's product line extended to early televisions.
ERE Informatique was one of the first French video game companies, founded in 1981 by Philippe Ulrich and Emmanuel Viau.
 The company hired freelance game programmers that received royalties for their creations.
 Initially, the company published titles for the Amstrad CPC, Spectrum and Oric home computers.
 In 1984 they published their first national hit, a flight simulator created by Marc André Rampon: "Intercepteur Cobalt" for Sinclair ZX81 and Spectrum, also known under the name of "Mission Delta" for Oric, Amstrad and Thomson MO5.
 Rampon also acquired some shares of the company owned by Viau and established the company's first distribution network.
Éditions Philippe Amaury (EPA), also known as Groupe EPA or the Amaury Group, is a French media group founded by Philippe Amaury, whose widow Marie-Odile Amaury owns a majority of the company.
H2L2 is an architecture firm in Philadelphia founded in 1907 by Paul Philippe Cret as The Offices of Paul Philippe Cret.
 In 1923, John Harbeson became Cret's partner, along with William J. H. Hough and William Livingston.
 In 1925 the firm was joined by Roy Larson.
 After Cret's death in 1945, the younger partners followed Cret's wishes and removed Cret's name from their masthead, continuing as Harbeson, Hough, Livingston & Larson.
 In 1976, the firm officially became H2L2 after years of using the name informally.
 In 2012, H2L2 and NELSON, which was founded in 1977 as an interior design firm, merged to create a full-service architecture/engineering firm.
Jean Adrien Philippe (16 April 1815, La Bazoche-Gouet, Eure-et-Loir – 5 January 1894) was French horologist and cofounder of watchmaker Patek Philippe & Co. of Geneva, Switzerland.
Debauve & Gallais is a French chocolate manufacturer founded by Sulpice Debauve in 1800.
 After his nephew Antoine Gallais joined the company in 1823, the company adopted their current name.
 In 1819 the company received the royal warrant as purveyors to the French court, and was the official chocolate supplier for Emperor Napoleon and of kings Louis XVIII, Charles X and Louis Philippe.
Patek Philippe & Co. is a Swiss watch manufacturer founded in 1851, located in Geneva and the Vallée de Joux.
 It designs and manufactures timepieces and movements, including some of the most complicated mechanical watches.
 It is considered by many experts and aficionados to be one of the most prestigious watch manufacturers.
Philippe Adrien (born 1939, Savignies) is a French stage director, actor and playwright.
 He is associated with the La Tempete company in Paris.
Wincenty Gostkowski (March 29, 1807 – August 29, 1884) was a lawyer and associate of Antoni Patek and Adrien Philippe in the watchmaker Patek Philippe & Co. in Geneva, Switzerland.
EarthEcho International is an environmental nonprofit organization founded in honor of Philippe Cousteau, by his children and widow.
 EarthEcho is based in Washington, D.C..
 The foundation was originally named the Philippe Cousteau Foundation, but changed its name after a dispute with the Cousteau Society.