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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. 10-Q Report Quarterly Report
  2. SC 13G/A Stake Amended Statement of Ownership
  3. 424B1 Offering Prospectus
  4. S-3 Offering Registration Statement
  5. POS AM Other Post-effective Amendment for Registration Statement
  6. 8-K/A Event Item 7
  7. SC 13G/A Stake Amended Statement of Ownership
  8. SC 13D/A Stake Beneficial Ownership Report
  9. SC 13G/A Stake Amended Statement of Ownership
  10. 10-Q Report Quarterly Report
  11. SC 13G/A Stake Amended Statement of Ownership
  12. SC 13G/A Stake Amended Statement of Ownership
  13. SC 13G/A Stake Amended Statement of Ownership
  14. SC 13G/A Stake Amended Statement of Ownership
  15. 8-K Event Item 2 · Item 7
  16. DEF 14A Proxy Proxy Statement
  17. SC 13G/A Stake Amended Statement of Ownership
  18. 10-K Report Annual Report
  19. 424B3 Offering Prospectus
  20. DEF 14A Proxy Proxy Statement

Page 104 of 107 · 2,122 filings