<SEC-DOCUMENT>0001183870-16-000006-index.html : 20161117 <SEC-HEADER>0001183870-16-000006.hdr.sgml : 20161117 <ACCEPTANCE-DATETIME>20161117213732 ACCESSION NUMBER: 0001183870-16-000006 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20161116 FILED AS OF DATE: 20161117 DATE AS OF CHANGE: 20161117 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TETRA TECH INC CENTRAL INDEX KEY: 0000831641 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-ENGINEERING SERVICES [8711] IRS NUMBER: 954148514 STATE OF INCORPORATION: DE FISCAL YEAR END: 0928 BUSINESS ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 BUSINESS PHONE: 6263514664 MAIL ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HADEN PATRICK C CENTRAL INDEX KEY: 0001183870 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-19655 FILM NUMBER: 162006381 MAIL ADDRESS: STREET 1: 3475 EAST FOOTHILL BOULEVARD CITY: PASADENA STATE: CA ZIP: 91107 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>edgar.xml <DESCRIPTION>PRIMARY DOCUMENT <TEXT> Document 1 - file: edgar.html
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