QUARTERLY REPORT PURSUANT TO SECTIONS 13 OR 15(D)

Company

TETRA TECH INC

Filed

February 10, 2006

Period of Report

January 1, 2006

Accession Number

0001104659-06-007821

A 10-Q is a quarterly financial report filed after each of the first three quarters of a fiscal year. It includes unaudited financial statements and management commentary. Learn more about 10-Q filings →