Home›American companies established in 1931›6社連合🌐日本語EnglishFrançaisNederlands日本語CompanyQ2317006· pop 6· linked from 34 articles6社連合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