# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000831641-25-000023
Filing Date
2025-08-01
Accepted
2025-08-01 16:05:02
Documents
93
Period of Report
2025-06-29

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | ttek-20250629.htm iXBRL | 10-Q | 1605158
2 | EX-31.1 | ttekex311fy25q3.htm | EX-31.1 | 11793
3 | EX-31.2 | ttekex312fy25q3.htm | EX-31.2 | 11817
4 | EX-32.1 | ttekex321fy25q3.htm | EX-32.1 | 6849
5 | EX-32.2 | ttekex322fy25q3.htm | EX-32.2 | 6857
6 | EX-95 | ttekex95fy25q3.htm | EX-95 | 13088
| Complete submission text file | 0000831641-25-000023.txt |  | 8335765

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ttek-20250629.xsd | EX-101.SCH | 58377
8 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ttek-20250629_cal.xml | EX-101.CAL | 88241
9 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ttek-20250629_def.xml | EX-101.DEF | 236592
10 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ttek-20250629_lab.xml | EX-101.LAB | 700986
11 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ttek-20250629_pre.xml | EX-101.PRE | 482255
96 | EXTRACTED XBRL INSTANCE DOCUMENT | ttek-20250629_htm.xml | XML | 1158846

Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Filer) CIK: 0000831641 (see all company filings)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0928
Type: 10-Q | Act: 34 | File No.: 000-19655 | Film No.: 251176157
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)