🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsفارسیCompanyQ7706196· pop 5· linked from 613 articlesTetra TechAlso known as Tetra Tech (United States)company in Pasadena, United StatesCompanyTTEKIndustryServices-Engineering ServicesExchangeNasdaqState of incorporationDEEntity typeoperatingFiscal year endSep 27via SEC EDGARWikidata factsOfficial websitewww.tetratech.comSources (5)wikidata.orgtetratech.comkm.aifb.kit.eduAvailable in 4 languagesDeutschDanishفارسیvia Wikidata sitelinks · CC0ConnectionsUnited States dollarEntityInternational Standard Serial NumberEntityCategoriesAmerican companies established in 1966Companies based in Pasadena, CaliforniaCompanies in the S&P 400Companies listed on the NasdaqEngineering consulting firms of the United StatesInternational engineering consulting firmsRobotics companies of the United States