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CIK 0000831641 · Large accelerated filer

TETRA TECH INC

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Ticker
TTEK
Exchange
Nasdaq
Industry
Services-Engineering Services
FY end
Sep 27
Incorporated
DE
Entity type
operating
EIN
954148514
Phone
6263514664
Business address
3475 EAST FOOTHILL BOULEVARD, PASADENA, CA, 91107
  1. PRER14C Other PRER14C
  2. 10-Q/A Report 10-Q/A
  3. 8-K/A Event Item 7
  4. S-3/A Offering Registration Statement
  5. PRER14C Other PRER14C
  6. 10-K/A Report 10-K/A
  7. S-3/A Offering Registration Statement
  8. 8-K/A Event Item 7
  9. 10-Q Report Quarterly Report
  10. PRE 14A Proxy Proxy Statement (Preliminary)
  11. 10-Q/A Report 10-Q/A
  12. 10-Q/A Report 10-Q/A
  13. 10-K/A Report 10-K/A
  14. S-3/A Offering Registration Statement
  15. 8-K/A Event Item 7
  16. SC 13D Stake Beneficial Ownership Report
  17. SC 13G/A Stake Amended Statement of Ownership
  18. 8-K Event Item 2 · Item 7
  19. S-3/A Offering Registration Statement
  20. 10-Q Report Quarterly Report

Page 105 of 107 · 2,122 filings