Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0001104659-23-091716
Filing Date
2023-08-15
Accepted
2023-08-15 08:14:53
Documents
17
Period of Report
2022-10-02

Document Format Files

Seq Description Document Type Size
1 FORM 10-K/A tm2323730d2_10ka.htm   iXBRL 10-K/A 855532
2 EXHIBIT 23 tm2323730d2_ex23.htm EX-23 2527
3 EXHIBIT 31.1 tm2323730d2_ex31-1.htm EX-31.1 8487
4 EXHIBIT 31.2 tm2323730d2_ex31-2.htm EX-31.2 8496
5 EXHIBIT 32.1 tm2323730d2_ex32-1.htm EX-32.1 4842
6 EXHIBIT 32.2 tm2323730d2_ex32-2.htm EX-32.2 4788
  Complete submission text file 0001104659-23-091716.txt   1202499

Data Files

Seq Description Document Type Size
7 XBRL TAXONOMY EXTENSION SCHEMA ttek-20221002.xsd EX-101.SCH 3018
8 XBRL TAXONOMY EXTENSION LABEL LINKBASE ttek-20221002_lab.xml EX-101.LAB 36257
9 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ttek-20221002_pre.xml EX-101.PRE 23748
11 EXTRACTED XBRL INSTANCE DOCUMENT tm2323730d2_10ka_htm.xml XML 6190
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: 1001
Type: 10-K/A | Act: 34 | File No.: 000-19655 | Film No.: 231173265
SIC: 8711 Services-Engineering Services