Home›American companies established in 1931›Six Companies, Inc.🌐FrançaisEnglishFrançaisNederlands日本語CompanyQ2317006· pop 6· linked from 34 articlesSix Companies, Inc.American corporate joint venture formed to build the Hoover DamWikidata factsShow 2 more factsinception1931-01-01Commons categorySix Companies Inc.via Wikidata · CC0Available in 5 languagesEsperantoHebrewNederlandsUrduvia Wikidata sitelinks · CC0ConnectionsLos AngelesEntityArizonaEntityCategoriesAmerican companies established in 1931BechtelColorado RiverConstruction and civil engineering companies established in 1931Construction and civil engineering companies of the United StatesHoover DamWater and politics