10-K

Company

TETRA TECH INC

Filed

November 16, 2010

Period of Report

October 3, 2010

Accession Number

0001047469-10-009822

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →